# CalibratorVS vs ColorGrail

The clearest difference is update cadence: ColorGrail at every 2 months against CalibratorVS's every 22 months. CalibratorVS's advantage is iOS requirement (11.3 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CalibratorVS ships an update every 22 months, ColorGrail every 2 months. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | CalibratorVS | ColorGrail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 months** |
| Size | 9 MB | 430 MB |
| Requires iOS | **11.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Qvision, Departamento de Oftalmología](https://appshunter.io/developer/1602553646) | [Color Grail Research](https://appshunter.io/developer/1263519959) |

## What reviewers say

### CalibratorVS

[App page](https://appshunter.io/ios/app/calibratorvs/id936244772)

**In-app purchases:** none


### ColorGrail

[App page](https://appshunter.io/ios/app/colorgrail/id1263519960)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CalibratorVS free?

CalibratorVS is free to download, with no in-app purchases.

### Is ColorGrail free?

ColorGrail is free to download, with no in-app purchases.

### Do CalibratorVS or ColorGrail have ads?

Neither CalibratorVS nor ColorGrail shows ads.

### Which is updated more often, CalibratorVS or ColorGrail?

CalibratorVS ships an update every 22 months, and ColorGrail every 2 months. Most recently, CalibratorVS was updated on September 22, 2026 and ColorGrail on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*