Comparison
Total Shift Left vs Testfully
Testfully is an offline-first desktop app built for privacy-conscious teams. Total Shift Left targets the same regulated, privacy-first audience — and adds AI-generated test suites from your OpenAPI spec, with the option to run that AI fully self-hosted.
Why teams move from Testfully to Total Shift Left
Testfully and Total Shift Left both target the same audience: teams that need privacy, offline capability, and a fit for regulated environments. The gap is in how much of the test suite you still have to build yourself.
AI writes the suite, not you
Point Total Shift Left at your OpenAPI/Swagger/WSDL spec and get a generated test suite in minutes. No AI generation feature was found in Testfully.
Privacy that covers the AI step too
Testfully keeps the product itself offline. Total Shift Left goes further for AI generation specifically — run it on a self-hosted LLM (Ollama, vLLM, LM Studio) so the spec never leaves your perimeter.
Built-in CI/CD, not a thin CLI
Native plugins for Jenkins, GitHub Actions, Azure DevOps, GitLab, CircleCI, and Bitbucket. Testfully ships a CLI package, but with no GitHub Action or marketplace listing found.
Feature-by-feature comparison
| Feature | Total Shift Left | Testfully |
|---|---|---|
| Test creation approach | AI-generated from OpenAPI/Swagger/WSDL specs — no manual authoring | Manual test building in a desktop app; Postman-collection compatible |
| AI test generation | Built-in: schema-aware generation in one click | No AI test generation feature found |
| Self-hosted LLM option | Yes — Ollama, vLLM, LM Studio, or any OpenAPI-compatible endpoint inside your perimeter | Not found — offline mode covers the product itself, not an AI generation step |
| Offline / air-gapped operation | Supported — no required outbound calls when using a local model | Core positioning — offline-first desktop app |
| Protocol support | REST, SOAP/WSDL, and GraphQL — all first-class | REST and Postman-collection workflows documented; SOAP/GraphQL not found on their site |
| Coverage tracking | Endpoint, method, status code, parameter coverage with gap identification | Not published |
| CI/CD integration | Native plugins for Jenkins, GitHub Actions, Azure DevOps, GitLab, CircleCI, Bitbucket | CLI package (@testfully/cli) available; no GitHub Action or CI marketplace listing found |
| Distribution | Web platform, single-tenant private cloud, or fully self-hosted | Downloadable desktop app, plus a "talk to an engineer" sales path |
| Monitoring | Built-in dashboards: success rate, response time, coverage trends | Separate monitoring add-on, priced $10-$70/month |
| Pricing model | Forever-free Citizen Developer Edition + 15-day Enterprise trial; transparent custom pricing | Free Developer tier (up to 5 users/workspace); Team $14/user/mo; Enterprise $29/user/mo (annual) |
Enterprise readiness
What procurement, security, and platform-engineering actually ask about — deployment posture, AI policy alignment, access control, and audit evidence.
| Feature | Total Shift Left | Testfully |
|---|---|---|
| Deployment options | SaaS, single-tenant private cloud, or fully self-hosted on your infra | Desktop app (downloadable), with cloud execution available on paid tiers |
| Self-hosted LLM (no spec leaves your perimeter) | Yes — Ollama, vLLM, LM Studio, or any OpenAPI-compatible endpoint inside your perimeter | Not found — no AI test generation feature identified |
| Air-gapped support | Supported — no required outbound network calls when using a local model | Offline execution supported for the product itself; positioned for privacy-conscious and regulated teams |
| Multi-protocol coverage (REST + SOAP + GraphQL) | REST, SOAP/WSDL, and GraphQL — all first-class | REST and Postman-collection workflows documented; SOAP/GraphQL not found on their site |
| SSO (SAML / OIDC / Azure AD) | SAML 2.0 / OIDC / Azure AD (Entra ID) — available on Enterprise, with auto-provisioning and group-to-role mapping | Not published |
| Role-based access control | Five built-in roles, project-scoped assignment | Not published |
| Audit log + exportable evidence | Built-in audit log capture, exportable per release | Not published |
| Encrypted credential storage | AES-256 at rest; bring-your-own-key for any cloud LLM you choose | Not published |
| Data residency control | Data stays in your deployment region (or on-prem) by default | Not published |
| SOC 2 attestation | SOC 2 on roadmap — security questionnaire response shared on architect call | Not published |
Wording is current as of publication and reflects publicly documented behavior of each tool. Talk to your procurement and security teams before relying on any single row for a buying decision — we share our security questionnaire response on the architect call.
Which tool is right for you?
Choose Total Shift Left if you...
- + Want AI-generated coverage from your OpenAPI spec, not manual test building
- + Need the AI generation step itself to stay inside your perimeter via a self-hosted LLM
- + Need SOAP and GraphQL support alongside REST
- + Want native CI/CD plugins instead of a thin CLI
- + Need built-in coverage tracking and analytics dashboards
Testfully might be better if you...
- - Want a lightweight desktop app rather than a platform
- - Are already standardized on Postman collections
- - Have a small team (under 5 users) and want the free Developer tier
- - Don't need AI-generated test suites
Frequently asked questions
How similar are Total Shift Left and Testfully?
Closer than most comparisons on this site — both target regulated, privacy-conscious, and offline-capable teams. The difference is where that privacy story lives: Testfully makes the product itself run offline as a desktop app; Total Shift Left adds AI-generated test suites from your OpenAPI spec, with the option to run that AI step on a fully self-hosted LLM (Ollama, vLLM, LM Studio) so nothing has to leave your perimeter even during generation.Does Testfully generate tests with AI?
No AI-driven test generation feature was found in Testfully's public materials. Its differentiator is offline-first operation and Postman-collection compatibility, not AI authoring from a spec.How does pricing compare?
Testfully offers a free Developer tier for up to 5 users per workspace with offline and cloud execution, then Team at $14/user/month and Enterprise at $29/user/month billed annually, plus a separate monitoring add-on priced $10-$70/month. Total Shift Left offers a forever-free Citizen Developer Edition and a 15-day Enterprise trial with transparent custom pricing.Does Testfully have a CI/CD story?
Testfully publishes a CLI package (@testfully/cli), though adoption appears limited (roughly 20 downloads/week on npm). No GitHub Action, VS Code extension, or CI marketplace listing was found. Total Shift Left ships native plugins for Jenkins, GitHub Actions, Azure DevOps, GitLab, CircleCI, and Bitbucket.Which tool fits an air-gapped environment better?
Both are built with air-gapped and offline-capable teams in mind. Testfully runs its desktop app offline. Total Shift Left goes a step further for AI-generated testing specifically: point it at a self-hosted LLM and the entire generation step — spec in, tests out — never leaves your network.
The capabilities behind the difference
Where Total Shift Left pulls ahead of Testfully — see exactly how each capability works.
AI Test Generation
Generate comprehensive test suites from OpenAPI specs with one click.
Learn moreShift-Left Agent
Run API tests on-premise behind your firewall.
Learn moreCoverage Gaps
Identify untested endpoints and missing scenarios automatically.
Learn moreCI/CD
Native integrations with every major CI/CD platform.
Learn moreDashboard
Track test coverage, pass rates, and response times at a glance.
Learn moreGet AI-generated coverage without leaving your perimeter
Free Citizen Developer Edition. No credit card. Or start a 15-day Enterprise trial that mirrors the full platform.