GAGEtrak has been a fixture in calibration management for over 35 years, starting as a desktop application. While it has added web capabilities, its architecture reflects its legacy roots. CalibrationOS is built cloud-native from day one with a modern API-first design, free tier, and no per-seat licensing.
| Feature | CalibrationOS | GAGEtrak |
|---|---|---|
| Starting Price | Free tier (unlimited instruments), paid plans from $49/mo | ~$79/mo per user, no free tier |
| Free Tier | Yes — full core features, unlimited instruments | No — paid only with demo available |
| Cloud / Web Access | 100% cloud-native SaaS, accessible from any browser | Web version available, legacy desktop version still offered |
| Mobile App | Progressive web app — works on any mobile device | Mobile app available for field work |
| REST API | Full REST API for integrations and automation | Limited API; integration primarily through import/export |
| Audit Trail | Immutable audit trail with electronic signatures | Audit trail with electronic signatures (21 CFR Part 11) |
| Measurement Uncertainty | Built-in uncertainty budget calculator per ISO/IEC 17025 | Basic uncertainty tracking, limited budget tools |
| MSA / Gage R&R | Integrated Gage R&R studies with automatic calculations | Not included — requires separate software |
| OOT Investigations | Guided out-of-tolerance investigation workflow with impact analysis | OOT flagging with basic notification |
| Multi-Site Support | Built-in multi-site with unified dashboard | Multi-site available in enterprise editions |
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