# Calibration Keeper vs KaliTrue

The clearest difference is update cadence: KaliTrue at every 6 months against Calibration Keeper's every 16 months. Calibration Keeper's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

Calibration Keeper ships an update every 16 months, KaliTrue every 6 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calibration Keeper | KaliTrue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kalitrue/id6746059661/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 22 MB | 6 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trihydro Corporation](https://appshunter.io/developer/920601995) | [JAMES K CASHIN](https://appshunter.io/developer/1796890252) |

## What reviewers say

### Calibration Keeper

[App page](https://appshunter.io/ios/app/calibration-keeper/id1465790622)

**Features:** macOS Compatibility

**In-app purchases:** none


### KaliTrue

[App page](https://appshunter.io/ios/app/kalitrue/id6746059661)

This utility app assists users in manually calibrating their displays for accurate color representation. It helps users achieve a "pure white" display by measuring screen output and guiding adjustments.

**Highlights:** Manual display calibration, Color accuracy measurement, White point adjustment guidance, Screen output analysis

**In-app purchases:** none


## Frequently asked questions

### Is Calibration Keeper free?

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

### Is KaliTrue free?

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

### Do Calibration Keeper or KaliTrue have ads?

Neither Calibration Keeper nor KaliTrue shows ads.

### Which is updated more often, Calibration Keeper or KaliTrue?

Calibration Keeper ships an update every 16 months, and KaliTrue every 6 months. Most recently, Calibration Keeper was updated on October 26, 2026 and KaliTrue on October 25, 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.*