Cybersecurity · head to head
Doppler vs OWASP ZAP
OWASP ZAP
Cybersecurity
Free, open-source web application scanner and intercepting proxy, now governed by the Software Security Project.
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Doppler developer tier limited to 3 free users with per-user fees beyond that; OWASP ZAP authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
- They diverge on capability: Doppler covers Secrets management, OWASP ZAP covers Intercepting proxy.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Doppler and OWASP ZAP actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Cybersecurity).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Doppler
- Secrets management
- Automated credential rotation
- Dynamic secrets
- Audit logging
- SAML SSO
- Role-based access control
- Config syncing
- AI agent support
Only in OWASP ZAP
- Intercepting proxy
- Passive scanner
- Active scanner
- AJAX spider
- Automation Framework
- Headless daemon and REST API
- Docker images
- Add-on marketplace
What people use each for
The jobs each tool is most often brought in to do.
Doppler
- Managing API keys for distributed development teamsnot OWASP ZAP
- Securing credentials for AI agents without per-agent feesnot OWASP ZAP
- Automating credential rotation for compliancenot OWASP ZAP
- Centralizing secrets across cloud and on-premise infrastructurenot OWASP ZAP
OWASP ZAP
- Adding a baseline security scan to every application's pipeline where per-target commercial licensing would limit coverage to a handfulnot Doppler
- Manual penetration testing that needs an intercepting proxy, request replay and fuzzing without a paid licence per testernot Doppler
- Teaching developers what an attack against their own endpoint looks like, using a tool they can install themselvesnot Doppler
- Pre-release regression scanning of an internal application that would never justify a commercial DAST subscriptionnot Doppler
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Doppler
- Developer tier limited to 3 free users with per-user fees beyond that
- Team plan pricing ($21/user/mo) adds cost for large teams
- 90-day activity log retention may be insufficient for long-term audits
- Enterprise plan requires custom pricing conversation
OWASP ZAP
- Authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
- There is no support contract in the product, so when a scan breaks the day before a release the escalation path is a GitHub issue and a community chat, which is not an answer that satisfies a delivery manager or an auditor who wants a named responsible party.
- Active scanning sends genuine attack traffic, so it can create records, trigger emails, exhaust rate limits or destabilise a fragile environment, and pointing it at production without prior agreement produces an incident rather than a test result.
- Output needs triage: passive rules generate large volumes of low-severity informational findings about headers and cookie flags that bury the few results that matter, and a team without someone tuning the rule set stops reading the report within a few sprints.
- As a dynamic scanner it can only test what it can reach, so authorisation flaws between accounts, business logic abuse and anything behind an undiscovered endpoint go unreported, and a passing ZAP scan is evidence of nothing more than the absence of the classes of bug it looks for.
Pricing, plan by plan
Doppler
Free- DeveloperFree
- 3 free users
- Then $8 per additional user per month
- Doppler CLI access
- Team$21/month
- Per-user pricing
- Change requests
- SAML SSO
- Enterprise$undefined/custom
- Custom pricing scaled to team size
- On-prem or cloud deployment
- Custom permissions
OWASP ZAP
Free- Free & Open SourceFree
- Full functionality
- Active & passive scanning
- Spider
Which should you pick?
Choose Doppler if
- You need secrets management.
- You want to start without paying.
- You work on Web, CLI, Cloud, On-Premises.
- You also want automated credential rotation.
Choose OWASP ZAP if
- You need intercepting proxy.
- You want to start without paying.
- You work on Desktop, Cli, Api.
- You also want passive scanner.
Questions people ask
- Is Doppler or OWASP ZAP better?
- Neither clearly leads. Doppler starts at Free and OWASP ZAP at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Doppler or OWASP ZAP?
- Doppler starts at Free and OWASP ZAP at Free.
- Does Doppler or OWASP ZAP run on more platforms?
- Doppler runs on Web, CLI, Cloud, On-Premises. OWASP ZAP runs on Desktop, Cli, Api.
- Can I use Doppler for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Doppler best used for?
- Doppler is most often used for managing api keys for distributed development teams, securing credentials for ai agents without per-agent fees, automating credential rotation for compliance, centralizing secrets across cloud and on-premise infrastructure. Of those, managing api keys for distributed development teams and securing credentials for ai agents without per-agent fees are not what OWASP ZAP is typically brought in for.
- What can Doppler do that OWASP ZAP cannot?
- Doppler covers Secrets management, Automated credential rotation, Dynamic secrets, Audit logging. OWASP ZAP covers Intercepting proxy, Passive scanner, Active scanner, AJAX spider.
Answered from the vendors’ own pages
Doppler: Do AI agents count toward my user limit?
No, AI agents and non-human identities receive free access across all Doppler plans, including Developer, Team, and Enterprise.
SourceOWASP ZAP: Is it still called OWASP ZAP?
The project left OWASP in August 2024 and is now governed by the Software Security Project, with core development sponsored by Checkmarx. The tool is now just ZAP, though most existing documentation, courses and search results still use the OWASP name.
Doppler: What is the difference between Team and Enterprise plans?
Team plan ($21/user/mo) includes SAML SSO, role-based access controls, and 90-day logs. Enterprise adds custom deployment options, unlimited config syncs, 99.95% SLA, and a dedicated account manager.
SourceOWASP ZAP: Is it free for commercial use?
Yes. It is Apache 2.0 licensed, with no per-application, per-scan or per-user cost, and it can be used and modified commercially without a licence agreement.
Doppler: Can I rotate secrets automatically?
Yes, both Team and Enterprise plans support automatic secret rotation. Developer tier supports manual rotation only.
SourceOWASP ZAP: Can it replace a penetration test?
No. It automates checks for known vulnerability classes against endpoints it can reach. It does not reason about business logic, chain findings into an attack, or test authorisation between accounts, which is most of what a tester actually does.
OWASP ZAP: Does it run in CI?
Yes, through the official Docker images and the Automation Framework, which defines scan jobs in YAML so configuration lives in the repository. A baseline passive scan is the usual starting point because it is fast and non-intrusive.
OWASP ZAP: How does it compare to Burp Suite?
Burp Suite Professional is the more polished manual testing tool and has a stronger scanner and extension ecosystem, but it is licensed per tester and Burp Suite Enterprise per target. ZAP is the better fit where cost per target is the binding constraint; many teams use both.
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- OWASP ZAP vs Metasploit
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- OWASP ZAP vs Trivy
- OWASP ZAP vs Feedzai
- OWASP ZAP vs Frontegg
- OWASP ZAP vs HashiCorp Boundary
- OWASP ZAP vs JumpCloud
- OWASP ZAP vs McAfee Total Protection