# Hiru vs Skyle X

The clearest difference is update cadence: Hiru at every 5 weeks against Skyle X'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.

Hiru ships an update every 5 weeks, Skyle X every 3 months. The most recent releases landed on October 8, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Hiru | Skyle X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hiru/id1537070396/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 23 MB | 139 MB |
| Requires iOS | **15.7** | 16.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [IRISBOND CROWDBONDING SL](https://appshunter.io/developer/1519044422) | [eyeV GmbH](https://appshunter.io/developer/1483770516) |

## 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


### Skyle X

[App page](https://appshunter.io/ios/app/skyle-x/id1570826111)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hiru free?

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

### Is Skyle X free?

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

### Do Hiru or Skyle X have ads?

Neither Hiru nor Skyle X shows ads.

### Which is updated more often, Hiru or Skyle X?

Hiru ships an update every 5 weeks, and Skyle X every 3 months. Most recently, Hiru was updated on October 8, 2026 and Skyle X on October 27, 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.*