# Eye'sTest vs PairMirror

The clearest difference is in-app purchases: PairMirror at none against Eye'sTest's 1. Eye'sTest's advantage is update cadence (monthly vs every 19 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Eye'sTest sells 1 one-off in-app purchase. PairMirror asks for nothing beyond the download.

Eye'sTest ships an update monthly, PairMirror every 19 months. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Eye'sTest | PairMirror |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 19 months |
| Size | 5 MB | 7 MB |
| Requires iOS | 10.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takeshi Kawai](https://appshunter.io/developer/428422074) | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) |

## What reviewers say

### Eye'sTest

[App page](https://appshunter.io/ios/app/eyestest/id539352012)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium: Measurement History | $1.99 | one-time |


### PairMirror

[App page](https://appshunter.io/ios/app/pairmirror/id883479654)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eye'sTest free?

Eye'sTest is free to download, with in-app purchases available.

### Is PairMirror free?

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

### Do Eye'sTest or PairMirror have ads?

Neither Eye'sTest nor PairMirror shows ads.

### Which is updated more often, Eye'sTest or PairMirror?

Eye'sTest ships an update monthly, and PairMirror every 19 months. Most recently, Eye'sTest was updated on October 6, 2026 and PairMirror on September 28, 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.*