Head-to-head · Display Calibration Software
QUBYX PerfectLum vs DisplayCAL
QUBYX PerfectLum leads on 0 checks, DisplayCAL on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreQUBYX PerfectLum · 8.2/10
- Free planonly DisplayCAL
- Most featuresDisplayCAL · 4 of 4
QUBYX PerfectLum scores higher on our rubric for display calibration software: 8.2 against 7.8 out of 10; our editors rank them #6 and #8.
DisplayCAL offers free plan; QUBYX PerfectLum doesn't.
QUBYX PerfectLum is the better fit for medical-display QA and fleet monitoring. DisplayCAL is the better fit for free, full-featured display profiling.
- QUBYX PerfectLum fits best
Medical-display QA and fleet monitoring
- DisplayCAL fits best
Free, full-featured display profiling
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Side by side
| Feature | QUBYX PerfectLum 8.2/10 Visit ↗ | DisplayCAL 7.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.2 | 7.8 |
| Ranking | #6 in Display Calibration Software | #8 in Display Calibration Software |
| Best for | Medical-display QA and fleet monitoring | Free, full-featured display profiling |
| Pricing model | Paid | Free |
| Starting price | $480/device one-time | Free plan |
| Free plan | — | ✓ (best) |
| Free trial | — | — |
| Deployment | Desktop, Cloud, Self-hosted | Desktop |
| Platforms | Windows, macOS | Windows, macOS, Linux |
| Support | Email, Phone, Tickets, Docs | Community, Docs |
| Built for | Small business, Mid-market, Enterprise | Solo, Small business |
| Features QUBYX PerfectLum 3/4 · DisplayCAL 4/4 | ||
| ICC profile export | ✓ | ✓ |
| LUT calibration | ✓ | ✓ |
| Multi-monitor calibration | ✓ | ✓ |
| HDR calibration | Not checked yet | ✓ (best) |
| Specs | ||
| Monitor limit | 6 monitors | Not checked yet |
| Supported platforms | Windows, macOS | Linux, macOS, Windows |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | QUBYX PerfectLum is software for calibrating, verifying, and documenting medical displays in radiology, hospitals, PACS environments, and diagnostic networks. Its focus is medical-display quality assurance rather than general monitor… Read the review → |
DisplayCAL is desktop software for calibrating and profiling computer displays with supported colorimeters and spectrometers. It is intended for photographers, video professionals, colorists, and other users who need measured display color… Read the review → |
Strengths and trade-offs
QUBYX PerfectLum — where it wins
- DICOM GSDF calibration with acceptance and constancy testing
- Scheduled QA cycles, audit reports, and long-term drift tracking
- Calibrates up to six displays on Windows and macOS
Where it doesn't
- Starts at $480 per workstation
- No free plan is available
- SmartSensor S2 hardware requires the $680 plan
DisplayCAL — where it wins
- Free open-source access with ICC profile creation
- Supports multi-display calibration, LUT generation, and HDR workflows
- Includes verification reports and display uniformity measurement
Where it doesn't
- Requires a supported colorimeter or spectrometer
- Release information lists DisplayCAL 3.8 from 2019
- ArgyllCMS underpins measurement, calibration, and profile creation
- QUBYX PerfectLum8.2/10 · Paid
A focused DICOM QA suite for medical-display calibration, reporting, and fleet monitoring.
Visit QUBYXFull verdict → - DisplayCAL7.8/10 · Free plan
A free, full-featured choice for measured display profiling across three desktop platforms.
Visit DisplayCALFull verdict →
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- Datacolor Spyder vs DisplayCAL
- NEC SpectraView II vs QUBYX PerfectLum
- NEC SpectraView II vs DisplayCAL
All display calibration software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update



