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AI & Automation

Centerbase vs Smokeball 2027: Choose by Firm Size and Needs

Nov 10, 2026

The category decision comes first

Centerbase and Smokeball both sell legal practice management suites, so the real choice is how much of your firm's work you want one platform to run and how you want to buy it. Legal practice management software is the system a firm uses to track matters, time, billing, trust accounting, and client documents in one place. Neither product has been renamed, merged, or discontinued in the sources we checked. Centerbase, which is based in Dallas, received a growth-equity investment from Mainsail Partners in August 2021 and bought Legalfit in April 2022, according to LawNext (2022). The most recent Smokeball deal we found is a partnership with Thomson Reuters, not an acquisition.

TL;DR: Choose Centerbase first if you are a midsize firm that wants billing, trust accounting, and reporting in one platform and can accept a sales-led quote. Choose Smokeball first if you are a solo or small team that wants to buy by tier and add modules as the firm grows. Either way, the decision turns on written quotes, because neither vendor publishes a price we could verify.

Key Takeaways

  • Neither vendor publishes list prices that we could verify, so compare written quotes built on the same user count, plan scope, and contract term.

  • Centerbase targets midsize firms and positions billing, trust accounting, documents, and reporting as one system.

  • Smokeball sells tiered plans from Bill up to Prosper+, with add-ons for intake, AI, and workflows, and it charges separately for several functions.

  • Centerbase IQ, its AI reporting layer, is in a limited pilot. Smokeball's AI assistant is sold as an add-on and is part of a Thomson Reuters partnership that is still rolling out in phases.

  • Smokeball's public release notes document webhook events for invoices and matters. Centerbase's own developer documentation was not reviewable for this guide, so that check belongs in your vendor call.

  • Building the workflow yourself in Zapier, Make, or n8n is a fair alternative, but you then own retries, duplicate prevention, escalation, and access control.

How we evaluated these tools

We weighted seven criteria for a buyer who is close to choosing between these two suites. The weights below are our judgment, not vendor data. Each criterion was answered from vendor pages where we could open them, from vendor-partner listings, and from independent trade or aggregator pages. Where a fact could not be verified, we say so instead of filling the gap. We did not assign numeric scores to either vendor, and we did not use star ratings from review sites, because those ratings depend on which platform a product is listed on and how many reviews it has.

Table 1: Evaluation criteria and weights

CriterionWeightBuyer questionsWhat it decides
Firm-size and practice-area fit20%3 questionsWhether the suite is built for your size and mix of work
Billing and trust accounting depth20%4 questionsWhether invoices, retainers, and the trust ledger run natively
Pricing clarity and buying effort15%3 questionsHow much sales contact you need before you know the cost
Integration and API access15%3 questionsWhether you can connect the suite to the rest of your stack
AI features and rollout risk10%2 questionsWhether AI features are shipped, add-on, or still in pilot
Implementation and training10%3 questionsThe migration and onboarding effort you will carry
Vendor ownership and stability10%2 questionsDeal history and who controls the roadmap

Facts and analysis are kept apart on purpose. The feature and pricing tables report what vendors or the named third parties published. The profiles, the proposed workflows, and the recommendations are our analysis.

What each vendor publishes

Centerbase's own website could not be verified for this review, so the Centerbase feature list below comes from its ALANET partner listing. That page is a promotional partner listing, so its claims are vendor claims. Smokeball's pricing and plan details come from its own pricing page.

Table 2: Feature matrix from published sources

FeatureCenterbaseSmokeball
Trust accountingNative and automated, with auto-replenishment for retainers (partner listing)Included in the Bill tier, with fees that apply to trust management (pricing page)
Billing and invoicingNative billing with electronic pre-bill approvals and one audit trail (partner listing)Bill tier covers invoices, time and expense logging, and online payments, with fees that apply to online payments
Document managementNative, with OCR, eSignature, and version history (partner listing)Document management is listed as a product; eSignatures begin at the Boost tier
Client intake and portalNot verified for this reviewIntake is an add-on; the client portal begins at the Boost tier
AI assistantCenterbase IQ, in limited pilotArchie AI, sold as an add-on; a Thomson Reuters CoCounsel partnership is rolling out
Public API and webhooksThird-party connector covers Matter, Practice area, Time entry, and Expense; vendor API documentation not reviewedOAuth 2.0 credentials from a Developer Console; webhook events for invoices and matters
Published list pricesNone published; quote-basedNone published; quote-based

Smokeball is the better documented of the two for developers. Its release notes list webhook events for invoices and matters, including an invoice.created event added in June 2025, according to Smokeball (2025). Its authentication page describes two OAuth 2.0 flows, one for actions taken as a signed-in user and one for server-to-server calls, but it does not state who is eligible for API access or what the rate limits are. A third-party guide describes the API as partner-gated. We did not confirm that claim on Smokeball's own pages, so treat it as something to ask about.

Pricing and total cost of ownership

Smokeball's pricing page says the quote depends on the number of users at the firm, the selected plan, the contract term, and any optional products or services. Every plan directs you to request a quote, and the page does not show dollar figures. Third-party listings are unreliable on this point. CostBench, which shows Smokeball's plans in a listing checked in November 2026, presents every plan as custom-priced, and that same page contradicts itself on whether a trial exists: Smokeball plans with a published price: 0 of 4 according to CostBench (2026).

Centerbase is harder to pin down. PricingSaaS reports that Centerbase does not publish list prices and records no pricing changes on its tracked page, with the capture dated November 2, 2026, according to PricingSaaS (2026). We could not open Centerbase's own pricing page, so no Centerbase price appears in this guide.

Pricing checked November 8, 2026. Every Smokeball plan is quote-based on the vendor's own page, and the Centerbase row relies on the PricingSaaS capture. Smokeball's pricing page also omits contract length, billing frequency, and cancellation terms, so ask for them in writing before you compare.

Table 3: Pricing and quote drivers

VendorPlanPublished priceCheckedWhat moves the quote
CenterbaseSingle plan (per PricingSaaS)Quote-basedNovember 2, 2026Not verified on vendor page
SmokeballBillQuote-basedNovember 8, 2026Users, plan, term, optional products; fees on eFiling, online payments, trust management
SmokeballBoostQuote-basedNovember 8, 2026Adds client portal, eSignatures, Microsoft 365 integrations
SmokeballGrowQuote-basedNovember 8, 2026Vendor's stated staff threshold (see profile)
SmokeballProsper+Quote-basedNovember 8, 2026Adds firm insights reporting, lead management, and custom workflows

Vendor profiles: where each one fits

Centerbase: best fit for midsize firms that want one system

Centerbase describes itself as a cloud-based legal operations system for midsize law firms. LawNext's coverage describes its primary customers as midsize firms in civil litigation, insurance defense, family law, and criminal law. Its partner listing describes native billing with pre-bill edits tracked in one audit trail, native trust accounting, native document management, and standard and custom reports. Those are vendor claims. The listing ties its time claim to Automatic Time Capture, which records time across email, calls, documents, and meetings: Vendor claim: 10 extra billable hours per attorney monthly according to ALANET (2026).

Centerbase IQ, its AI reporting layer, was introduced at the Association of Legal Administrators conference. It answers plain-language questions about firm performance and cites the source records. It is in limited release, and LawNext reports the initial phase at Centerbase IQ pilot: roughly 6 firms initially according to LawNext (2026), with the feature to be added to new customer deals later.

Limitations: no published price, an AI layer still in pilot, and developer documentation we could not review. A third-party connector lists four data models, Matter, Practice area, Time entry, and Expense, each with list, get, create, and update methods, according to Unified.to (accessed 2026). Implementation should start with a migration plan that covers trust ledger balances, open matters, and time entries, and it should name who runs training. Our read: Centerbase fits a midsize firm that wants billing, trust, and reporting in one system and will accept a sales-led quote. It is a weaker first call for a solo practice that wants to buy on its own.

A proposed, configurable workflow for a Centerbase firm would run on a nightly schedule. It would read matters and time entries through Centerbase's API or a connector that exposes those models, flag entries that lack a matter code or fall outside the engagement terms, and write the exceptions to a review queue for the billing manager. Prerequisites: confirmed API access from Centerbase, a read-scoped service account, and a named owner for the queue. Human review point: the billing manager releases or corrects each flagged entry before any invoice is drafted. This is a design to scope, not a live deployment, and it depends on what Centerbase's API actually exposes, which we did not verify. A US Tech Automations design would configure the schedule, the exception rules, and the queue in that order, with the review point kept with the billing manager.

Smokeball: best fit for solo and small firms that buy in tiers

Smokeball's pricing page lists four plans, Bill, Boost, Grow, and Prosper+, and says a firm can upgrade or downgrade at renewal. Bill covers invoicing, time and expense logging, online payments, trust accounting and reporting, and accounting software connections. Boost adds browser-based access, matter management, tasks and calendar, Microsoft 365 integrations, a client portal, letterhead templates, and eSignatures. Grow adds practice-area templates and calculators, advanced document automation, automated forms, and Word and Outlook integration. The page says Grow is designed for firms with three or more staff members, according to Smokeball (2026).

Limitations: eFiling, online payments, and trust management carry fees on top of the plan. Trial terms conflict across listings, so ask the sales team directly. The developer side is partner-or-approval dependent in ways the public pages do not spell out, so ask for the API scope in writing. Zapier's Smokeball app lists triggers such as New Matter and New Lead, which gives a no-code route into the platform, but it is a third-party connector, not the vendor's own API. Smokeball also announced a partnership that pairs its practice management platform and AI matter assistant with CoCounsel Legal, with a real-time connector that syncs documents in bulk. The announcement was dated March 25, 2026, according to MarketScreener (2026), and it says further phases of integration are underway without giving launch dates.

Our read: Smokeball fits a solo or small firm that wants to start on Bill or Boost and add intake, AI, and workflow modules as headcount grows. Plan the budget around the fees and add-ons, not the base tier, and get the rollout dates for the Thomson Reuters features in writing before you count on them.

Where the work breaks: integrations, billing, and trust

The clearest way to see the difference between these products is to follow one invoice through the firm. Take an illustrative six-lawyer firm that issues 120 invoices a month, and assume each invoice needs 12 minutes of manual cleanup before it goes out. These are assumptions for the example, not vendor data. That is 120 × 12 = 1,440 minutes, or 24 hours of cleanup every month. If a reviewed workflow cut cleanup to 4 minutes per invoice, the month would take 120 × 4 = 480 minutes, or 8 hours, saving 16 hours. A proposed design for a Smokeball firm would start from the invoice.created webhook that the vendor's release notes list, so each new invoice opens a draft review item rather than going out automatically. Prerequisites are Developer Console credentials and written confirmation of API scope. The human review point is the billing lead, who approves every flagged invoice before it is sent.

A second proposed workflow sits on trust accounting, where review effort is highest. Trigger: a matter balance changes in Smokeball, read through the matter balances endpoint that the release notes add under bank accounts. Action: compare the balance against the retainer requirement recorded in the engagement and flag any shortfall or unexplained disbursement. Output: an exception card for the trust officer, not an automatic transfer or client message. Prerequisites: approved API credentials, a read-only scope, and a retainer rule the firm can state in one sentence. Human review point: the trust officer clears every exception, because trust rules vary by jurisdiction and the firm's own bar guidance governs the outcome.

Stitching this together in Zapier, Make, or n8n is a fair option, and it can work. Those tools can keep run histories, retry failed steps, branch on errors, and keep audit logs when they are configured that way. The buyer still owns duplicate prevention so one invoice never opens two review tasks, escalation when a step fails, access controls on trust data, and upkeep when either vendor changes its API. A US Tech Automations design would configure run logging, retry rules, escalation to a named owner, and role-based access as part of the build, with the review points described above. Treat that as a proposal to scope and price, not a delivered result, and budget the upkeep as its own line.

Who this is for

Centerbase is for a midsize firm that wants billing, trust accounting, and reporting in one platform, can accept a sales-led quote, and is willing to wait for its AI layer to move past the pilot.

Red flags: you need a published price before any sales contact; you need a generally available AI reporting tool on a fixed date; you need documented developer access before you buy.

Smokeball is for a solo or small firm that wants to start on a tiered plan, add intake, AI, or workflow modules over time, and is comfortable getting prices and terms in writing from the sales team.

Red flags: you need fixed prices to compare before any sales call; you need a Thomson Reuters CoCounsel feature live on a fixed date, because the rollout phases are not dated; you need an API integration built before the vendor confirms its access terms.

A checklist before you request quotes

  1. Ask both vendors for a written quote on the same user count, plan, and term, and ask for every add-on you expect to use.

  2. Ask whether trust accounting, retainers, and reconciliation are native or priced as a separate fee.

  3. Ask for contract length, billing frequency, and cancellation terms in writing. Smokeball's pricing page does not state them.

  4. Ask for the API scope in writing, including which webhook events are available, rate limits, and approval steps.

  5. Ask which AI features are generally available and which are pilots, and for the rollout date of each.

  6. Ask for two references from firms that migrated from a different system, and ask what they would change.

Common mistakes

  • Comparing a third-party aggregator's figure to a vendor's written quote. The two are not the same thing.

  • Treating a pilot feature as shipped and building a budget around it.

  • Buying the suite without naming an owner for trust accounting and its reconciliations.

  • Assuming a no-code connector removes the need for an owner who checks exceptions.

When not to add an automation layer

When NOT to use US Tech Automations: skip an automation layer if the firm issues only a few invoices a month and the native billing module already covers review, if no one at the firm can own API credentials and a review queue over time, or if trust reconciliation is handled entirely in the bank's and vendor's own tools with no exception reporting anyone has asked for. In those cases, the built-in features or a simple manual checklist are easier to run and easier to audit.

Questions buyers ask before signing

Is Centerbase cheaper than Smokeball?

Neither vendor publishes a price we could verify, so no reliable answer exists yet, and you should compare written quotes built on the same user count, plan scope, and term. Smokeball's pricing page says cost depends on users, plan, contract term, and optional products, which makes apples-to-apples quotes essential.

Does Smokeball publish its prices?

No. Its pricing page lists four plans and asks firms to request a personalized quote rather than showing dollar figures. Some third-party listings show numbers, but the vendor page does not support them.

Which vendor has the stronger AI offering?

Neither is clearly stronger on the public evidence. Smokeball sells Archie AI as an add-on and is pairing its platform with Thomson Reuters' CoCounsel Legal, while Centerbase IQ is in a limited pilot. Judge each by what is generally available today and what is only promised.

Can either vendor connect to other tools?

Smokeball has a Zapier app and publishes webhook events for invoices and matters, so connecting it to other tools is possible, though the API access terms are not spelled out publicly. For Centerbase, the connector evidence we found is third-party, and its own developer documentation was not reviewed here, so confirm access and scope before you rely on it.

Has either company been acquired recently?

Centerbase's history includes a Mainsail growth-equity investment and the purchase of Legalfit, both covered earlier in this guide. Smokeball's most recent deal in our search was a partnership, not an acquisition, so ask both vendors who owns the company today as part of your diligence.

Bottom line

Choose Centerbase first if you are a midsize firm that wants one platform for billing, trust accounting, and reporting, and if you can wait on its AI layer until it moves past the pilot. Choose Smokeball first if you are a solo or small firm that wants to buy by tier, add modules as headcount grows, and track the Thomson Reuters rollout as it arrives. In both cases, get written quotes and API terms before you finish the sales call, because the public record does not settle price or scope for either product. If you want to test a specific workflow against either platform, see how US Tech Automations configures this for billing and trust review, including the access, review, and escalation points a firm would need to approve.

About the Author

Garrett Mullins
Garrett Mullins
Workflow Specialist

Helping businesses leverage automation for operational efficiency.