True cost comparison — not just what the pricing page says
Quick Verdict
Postman saves you 100%
Best for Postman
API development and testing platform. Free for individuals, then $14-$49/user/mo for teams — but col
Best for Retool
Build internal tools fast with drag-and-drop. Free tier is limited, paid plans are expensive for tea
API development and testing platform. Free for individuals, then $14-$49/user/mo...
Advertised
$0
/month
True Cost
$48
/month (typical)
Collection Runner Hard Limit
Free: 25 runs/mo. Basic: 250 runs/mo. Professional: 2,500 runs/mo. CI/CD pipelines running tests on ...
Monitoring Call Overages
API monitoring calls capped per plan. Exceeding limits requires purchasing additional monitoring blo...
Mock Server Call Limits
Mock server calls capped at 1K (free), 10K (Basic), 100K (Professional). API-first development with ...
Build internal tools fast with drag-and-drop. Free tier is limited, paid plans a...
Advertised
$10
/month
True Cost
$600
/month (typical)
Dual User Pricing (Builder vs User)
Retool charges differently: builders (devs who create apps) cost $10-50/mo, internal users (employee...
Workflow Run Overage
$75 per 5,000 additional workflow runs/month ($0.015/run). A single workflow running every 5 minutes...
External User Tiered Pricing
Customer-facing portals on Business: first 50 free, then $8/user/mo (51-250), $6 (251-500), $4 (500+...
SSO/SAML Requires Enterprise
SAML/OpenID SSO is Enterprise-only with custom (undisclosed) pricing. Any company with SSO requireme...
Audit Logs Require Business
Audit logging needs Business at $50/builder/mo — 5x the Team price. Required for SOC 2, HIPAA compli...
Postman advertises $0/mo. Retool advertises $10/mo.
Postman has 3 documented hidden fees. Retool has 5.
Postman confidence: 72%. Retool confidence: 70%.
| Metric | Postman | Retool | Winner |
|---|---|---|---|
| Advertised Price | $0/mo | $10/mo | Postman |
| True Monthly Cost | $48/mo | $600/mo | Postman |
| Hidden Fee Total | +$48/mo | +$590/mo | Postman |
| # Hidden Fees | 3 | 5 | Postman |
| Confidence Score | 72% | 70% | Postman |
| Pricing Tiers | 4 | 4 | — |
| Affiliate Program | None | None | — |
Postman advertises $0/mo and Retool advertises $10/mo. However, when you include hidden fees, Postman has 3 documented hidden fees adding +$48/mo, while Retool has 5 hidden fees adding +$590/mo. Based on true cost, Postman is typically 100% cheaper.
Postman has 3 documented hidden fees: Collection Runner Hard Limit, Monitoring Call Overages, Mock Server Call Limits. These add approximately +$48/mo on top of the $0/mo advertised price.
Retool has 5 documented hidden fees: Dual User Pricing (Builder vs User), Workflow Run Overage, External User Tiered Pricing, SSO/SAML Requires Enterprise, Audit Logs Require Business. These add approximately +$590/mo on top of the $10/mo advertised price.
Choose Postman if: API development and testing platform. Free for individuals, then $14-$49/user/mo for teams — but col. Choose Retool if: Build internal tools fast with drag-and-drop. Free tier is limited, paid plans are expensive for tea. The right choice depends on your team size, usage volume, and which features you need most.
This comparison is based on manual research of official pricing pages, terms of service, and user reports. Postman data has a 72% confidence score and Retool has 70%. Prices were last verified in April 2026. For the most accurate estimate, enter your specific usage in our calculator.
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