# Sensitivity Tests vs arriate AI

The clearest difference is update cadence: Sensitivity Tests at every 5 weeks against arriate AI's every 3 months. 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.

Sensitivity Tests ships an update every 5 weeks, arriate AI every 3 months. The most recent releases landed on September 18, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Sensitivity Tests | arriate AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 105 MB | 563 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nikon Optical USA](https://appshunter.io/developer/566202027) | [OPTICAL COLOR ASSOCIATION](https://appshunter.io/developer/1603812852) |

## What reviewers say

### Sensitivity Tests

[App page](https://appshunter.io/ios/app/sensitivity-tests/id1338466692)

**Features:** macOS Compatibility

**In-app purchases:** none


### arriate AI

[App page](https://appshunter.io/ios/app/arriate-ai/id1603812850)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensitivity Tests free?

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

### Is arriate AI free?

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

### Do Sensitivity Tests or arriate AI have ads?

Neither Sensitivity Tests nor arriate AI shows ads.

### Which is updated more often, Sensitivity Tests or arriate AI?

Sensitivity Tests ships an update every 5 weeks, and arriate AI every 3 months. Most recently, Sensitivity Tests was updated on September 18, 2026 and arriate AI on September 4, 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.*