# Hiru vs Messay2

The clearest difference is in-app purchases: Hiru at none against Messay2's 2. Messay2's advantage is update cadence (every 6 days vs every 5 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Messay2 sells 2 in-app purchases, starting at $12.99 per month. Hiru asks for nothing beyond the download.

Hiru ships an update every 5 weeks, Messay2 every 6 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Hiru | Messay2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hiru/id1537070396/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 23 MB | 167 MB |
| Requires iOS | 15.7 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IRISBOND CROWDBONDING SL](https://appshunter.io/developer/1519044422) | [NDK dev](https://appshunter.io/developer/1585732515) |

## What reviewers say

### Hiru

[App page](https://appshunter.io/ios/app/hiru/id1537070396)

This utility app calibrates eye-tracking hardware for an optimal experience. It guides users through setup, allows customization of pointer sensitivity and dwell time, and ensures accurate eye tracking for various uses. Regular updates are provided to enhance performance and accuracy.

**Highlights:** Eye tracking calibration, Positioning guide, Pointer sensitivity customization, Dwell time adjustment, Accuracy enhancement, Software updates

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Messay2

[App page](https://appshunter.io/ios/app/messay2/id6760009259)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $12.99 | per month |
| Premium | $129.00 | per year |


## Frequently asked questions

### Is Hiru free?

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

### Is Messay2 free?

Messay2 is free to download, with in-app purchases available.

### Do Hiru or Messay2 have ads?

Neither Hiru nor Messay2 shows ads.

### Which is updated more often, Hiru or Messay2?

Hiru ships an update every 5 weeks, and Messay2 every 6 days. Most recently, Hiru was updated on October 8, 2026 and Messay2 on October 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.*