CalibrationOS vs MasterControl

MasterControl is a broad enterprise quality management system (QMS) that includes calibration management as one module within a larger suite. CalibrationOS is purpose-built for calibration and metrology, offering deeper instrument-specific capabilities at a fraction of the cost without requiring a full QMS commitment.

Feature	CalibrationOS	MasterControl
Starting Price	Free tier available, paid from $49/mo	Enterprise QMS pricing — typically $1,000+/mo
Free Tier	Yes — unlimited instruments, core features	No — enterprise-only with lengthy sales cycle
Cloud / Web Access	100% cloud SaaS, instant setup	Cloud-based QMS platform
Implementation Time	Minutes — sign up and start tracking	Weeks to months for full QMS deployment
REST API	Full REST API included on all plans	API available in enterprise tier
Audit Trail	Immutable audit trail with e-signatures	Comprehensive audit trail, 21 CFR Part 11
Measurement Uncertainty	Built-in uncertainty budget calculator per GUM	Not a core feature — limited uncertainty tools
MSA / Gage R&R	Integrated Gage R&R and MSA analysis	Not included — requires separate SPC tools
OOT Investigations	Guided OOT workflow with impact analysis	Deviation and CAPA management (general QMS)
Calibration-Specific Features	Purpose-built: instrument types, procedures, intervals, certificates	Generic equipment/asset management with calibration add-on

Why Choose CalibrationOS

Purpose-built for calibration — not a generic QMS with calibration bolted on
Free tier and transparent pricing vs enterprise-only sales process
Deep metrology features (uncertainty budgets, Gage R&R) not found in QMS platforms
Minutes to set up vs weeks of QMS implementation and training
Full REST API on all plans for integration with existing QMS if needed

Switch to CalibrationOS

Start free — no credit card required. Import your data in minutes.

Get Started Free