The short answer
Clark and Inflo are both audit & risk tools. On published figures, Inflo leads on larger reported customer base (547,000+ accountants using the platform at end of 2025 vs 35+ CPA firms, including CliftonLarsonAllen and Aprio). Best fit: Clark for CPA firms short on audit staff during busy season and Inflo for accounting firms modernizing legacy audit software. Shortlist on fit, then compare quotes for the same scope.
Which should you choose?
Choose Clark if…
- you're among CPA firms short on audit staff during busy season
- you're among firms that want AI to own whole engagement areas, not just extraction
- you're among EBP and government audit practices looking to add capacity
- this Inflo drawback matters to you: pricing is custom and module-based rather than publicly listed
Choose Inflo if…
- you're among accounting firms modernizing legacy audit software
- you're among audit teams combining working papers with full-population analytics
- you're among firms managing prepared-by-client requests and status tracking
- you want a larger reported customer base (547,000+ accountants using the platform at end of 2025 vs 35+ CPA firms, including CliftonLarsonAllen and Aprio)
- this Clark drawback matters to you: no public pricing
At a glance
| Attribute | Clark | Inflo |
|---|---|---|
| Starting price | Custompricing as of Nov 2026 | Custompricing as of Oct 2026 |
| Pricing model | Annual subscription, quote-based | Module-based annual subscription, quote-based |
| Free trial | No public free trial is listed; book a demo. | No public free trial; Inflo promotes demos and custom plans. |
| Founded | Not disclosed (formerly uiAgent) | 2016 |
| Headquarters | New York, NY | North Shields, United Kingdom |
| Funding | $16M total | Not published |
| Frameworks | SOC 1 Type 2, SOC 2 Type 2, ISO 27001; supports HIPAA and GDPR | Not published |
| Coverage | US CPA firms | 117 countries; six continents at end of 2025 |
| Integrations | SharePoint, Box, Google Drive, QuickBooks, Slack, Teams, Excel, email | Microsoft Excel and Word via InfloLink; APIs and accounting-system ingestion |
| Customers | 35+ CPA firms, including CliftonLarsonAllen and Aprio | 547,000+ accountants using the platform at end of 2025 Leads |
| Focus | AI audit staff for CPA firms | Digital audit platform |
Figures are as published by each vendor or review site on the verification date. "Leads" marks the stronger published figure; it isn't a recommendation on its own.
Where each one leads
- Inflo: larger reported customer base547,000+ accountants using the platform at end of 2025 vs 35+ CPA firms, including CliftonLarsonAllen and Aprio
Pricing compared
Clark pricing
Custom · pricing as of Nov 2026
Plan-level pricing not published.
Clark does not publish prices or plans. Firms book a demo and receive a quote. The 40% time savings figure on Clark's site is described as illustrative, not a measured average.
Free trial: No public free trial is listed; book a demo.
Inflo pricing
Custom · pricing as of Oct 2026
- Working PapersCustom
Engagement management, lead schedules, workpapers, documentation and review
- Audit Data AnalyticsCustom
Data extraction, testing, anomaly detection, sampling and visualizations
- Digital CollaborationCustom
Client requests, documents, communication, deadlines and status
- Quality ManagementCustom
Quality workflows, risk monitoring and project tracking
Inflo does not publish standard list pricing. Licensing is module-based and depends on the modules used and engagement requirements, with flexible pricing based on usage.
Free trial: No public free trial; Inflo promotes demos and custom plans.
Key capabilities
Clark
- Clerks (AI audit employees). Autonomous agents assigned to engagement areas that collect documents, run tests, draft workpapers and chase client follow-ups, with CPAs retaining review and sign-off.
- Ava AI teammate. The assistant firms interact with to assign work, review output and ask questions about an engagement.
- Material Intelligence. Clark's agent harness, document processing and multi-layer memory that keeps context across documents and over the course of an engagement.
- Excel add-in. Brings Clark's extraction and testing into Excel workpapers so staff can stay in their spreadsheets.
- Integrations and UI automation. Connects to SharePoint, Box, Google Drive, QuickBooks, Slack, Teams, Excel and email, and uses UI automation for client sites without APIs.
- Peer Review Guarantee. Clark pays capped damages and refunds that client's fees if an Ava extraction error or miss becomes a peer review finding; team overrides are excluded.
- Specialty audit coverage. Clark markets Clerks for employee benefit plan (EBP) audits and for firms expanding into government audits.
Inflo
- Working papers. Centralizes engagement management, trial balances, lead schedules, audit documentation and review workflows.
- Audit analytics. Supports data extraction, full-population testing, anomaly detection, risk assessment, sampling and visualizations.
- Digital methodology. Provides risk-focused workflows, procedure-level automation and customizable methodology content.
- Client collaboration. Tracks client requests, documents, communications, deadlines and submission status in one workspace.
- Quality management. Supports tailored quality systems, interactive risk monitoring and project-management tracking.
- InfloLink management. Connects engagement and trial-balance data with Microsoft Excel and Word through live formulas and refresh.
- Assistive AI. Helps with routine documentation and analysis while auditors retain oversight of evidence and conclusions.
Pros and cons
Clark
Pros
- Clerks own engagement areas end to end, from document requests to draft workpapers
- Peer Review Guarantee puts money behind extraction accuracy
- SOC 1 Type 2, SOC 2 Type 2 and ISO 27001, with no training on customer data
- Named mid-market and top-25 CPA firm customers
Cons
- No public pricing
- Young company with $16M raised in total
- The 40% time savings figure is illustrative, not a measured average
- Built for US CPA firms; not aimed at internal audit teams
Inflo
Pros
- Combines working papers, analytics, collaboration and quality management in one platform.
- Full-population testing, anomaly detection and sampling support data-driven audit work.
- InfloLink connects engagement and trial-balance data with Excel and Word.
- Azure hosting, AES-256 encryption, ISO 27001:2022 and SOC 2 Type II support enterprise security requirements.
Cons
- Pricing is custom and module-based rather than publicly listed.
- Replacing legacy audit software requires training and process change.
- Advanced integrations can require API work or data preparation.
- The broader platform may exceed the needs of firms seeking only basic workpapers.
How they're similar
- Both are listed in our audit & risk directory.
- Both use quote-based pricing, so the final price depends on scope and negotiation.
How they differ
- Focus
- Clark: AI audit staff for CPA firms
- Inflo: Digital audit platform
- Pricing model
- Clark: Annual subscription, quote-based
- Inflo: Module-based annual subscription, quote-based
- Founded
- Clark: Not disclosed (formerly uiAgent)
- Inflo: 2016
- Headquarters
- Clark: New York, NY
- Inflo: North Shields, United Kingdom
- Listed only for this tool
- Clark: Audit automation, AI agents, Workpapers, CPA firms, Employee benefit plan audits, Government audits +2 more
- Inflo: Digital audit, Working papers, Audit analytics, Full-population testing, Risk assessment, Client collaboration +7 more
Frequently asked questions
Is Clark cheaper than Inflo?
+
The published prices can't be compared directly (they are quote-based, use different billing units, or aren't published), so request quotes for the same scope. Clark: Custom (annual subscription, quote-based). Inflo: Custom (module-based annual subscription, quote-based). (Clark pricing pricing as of Nov 2026; Inflo pricing pricing as of Oct 2026.) Total cost depends on plan, company size and add-ons.
Which is better for startups, Clark or Inflo?
+
Clark's published positioning doesn't single out startups; its first best-fit group is "CPA firms short on audit staff during busy season". Inflo's published positioning doesn't single out startups; its first best-fit group is "Accounting firms modernizing legacy audit software". Neither answer replaces a quote for your headcount and scope.
Can I switch from Clark to Inflo?
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Yes. They are separate products, so switching means setting up Inflo and reconnecting your systems. Check your Clark contract term and renewal date before you commit. Data migration tooling isn't covered in our sources, so ask Inflo whether it can import your Clark data.
Does Clark or Inflo have more integrations?
+
Clark: SharePoint, Box, Google Drive, QuickBooks, Slack, Teams, Excel, email; Inflo: Microsoft Excel and Word via InfloLink; APIs and accounting-system ingestion. Vendor counts are self-reported and define "integration" differently, so check that the specific systems you use are supported.
Do Clark and Inflo offer a free trial?
+
Clark: No public free trial is listed; book a demo. Inflo: No public free trial; Inflo promotes demos and custom plans.
Go deeper
Clark
Audit & Risk
Inflo
Audit & Risk
Sources
Vendors change pricing and features often, so confirm with each vendor before buying. How we research
Clark
Last verified
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