Best Code Quality · FREE
Best free Code Quality (2026)
5 code quality that offer a genuine free plan, ranked by entry price. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.
Key takeaways
- Cheapest: Codacy at $0/mo.
- Qualifying: Codacy, CodeScene, DeepSource, Embold, SonarQube Cloud (Sonar).
- Data current through: 2026-09-02. STALE marks a row with at least one plan we have not re-checked at its source in over 30 days. 2 of 5 rows below are marked.
Comparison
| # | Code Quality | Entry price | Free | HIPAA | SOC 2 | Best for | Source |
|---|---|---|---|---|---|---|---|
| 1 | Codacy | $0/mo | Yes | — | Yes | teams up to 30 developers | codacy.com |
| 2 | CodeScene STALE · 2026-06-18 | $0/mo | Yes | — | — | teams wanting behavioral/hotspot analysis | codescene.com |
| 3 | DeepSource | $0/mo | Yes | — | Yes | open source projects | deepsource.com |
| 4 | Embold STALE · 2026-06-18 | $0/mo | Yes | — | — | C/C++ codebases | embold.io |
| 5 | SonarQube Cloud (Sonar) | $0/mo | Yes | — | Yes | open source projects | sonarsource.com |