Checksum vs Functionize
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Checksum starts at See pricing page and Functionize starts at $20/mo. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Generated Playwright tests
- Self-healing tests
- API test agent
- CI integration
- Human-verified delivery
- Agentic Studio
- Self-healing tests
- Failure diagnosis
- Salesforce testing
- Parallel cloud runs
| Feature | Checksum | Functionize |
|---|---|---|
| Best for | AI agents that write and repair Playwright and API tests for you | Agentic test automation with AI agents that build and heal tests |
| Category | Coding | Coding |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | $20/mo |
| Free plan | No | Yes |
| Made by | Checksum | Functionize |
| Based in | – | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Both offer: Self-healing tests.
Pricing compared
Checksum starts at See pricing page and Functionize starts at $20/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- 800,000 credits/month
- All agent capabilities
- 5 parallel runs
- Team workspace
Growth
$20/mo
- 3,200,000 credits/month
- SSO and role-based access
- Buy more credits anytime
Scale
$100/mo
- 20,000,000 credits/month
- 10 parallel runs
Enterprise
Contact sales
- Custom credits per month
- Multi-team management
- Invoice/PO billing, 12-month minimum
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Checksum
- Tests delivered as reviewable pull requests
- Broken tests are repaired automatically
- No per-seat or per-run fees
- No public price list
- Requires a demo to get started
- Focused on Playwright for UI tests
Functionize
- Free tier to start
- Explains test failures
- Enterprise app support
- Team plans priced per user
- Less known among startups
Which one should you choose?
Choose Checksum if you want:
- Tests delivered as reviewable pull requests
- Broken tests are repaired automatically
- No per-seat or per-run fees
Watch out: no public price list.
Choose Functionize if you want:
- Free tier to start
- Explains test failures
- Enterprise app support
Watch out: team plans priced per user.
Checksum vs Functionize FAQ
What is the difference between Checksum and Functionize?
Checksum: AI agents that write and repair Playwright and API tests for you. Functionize: Agentic test automation with AI agents that build and heal tests. Both are coding tools.
Is Checksum or Functionize cheaper?
Checksum starts at See pricing page and Functionize starts at $20/mo. Check both pricing pages for current plans.
Do Checksum and Functionize have free plans?
Checksum: No. Functionize: Yes.
Who makes Checksum?
Checksum is made by Checksum.
Who makes Functionize?
Functionize is made by Functionize, based in United States.
Which should I choose, Checksum or Functionize?
Choose Checksum if you value tests delivered as reviewable pull requests and broken tests are repaired automatically. Choose Functionize if you value free tier to start and explains test failures.