# Skyle vs Hiru

The clearest difference is iOS requirement: Skyle at 13.0 against Hiru's 15.7. On price, update cadence, 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.

Skyle ships an update every 3 weeks, Hiru every 5 weeks. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Skyle | Hiru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hiru/id1537070396/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 74 MB | 23 MB |
| Requires iOS | **13.0** | 15.7 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [eyeV GmbH](https://appshunter.io/developer/1483770516) | [IRISBOND CROWDBONDING SL](https://appshunter.io/developer/1519044422) |

## What reviewers say

### Skyle

[App page](https://appshunter.io/ios/app/skyle/id1483770517)

This utility app provides video streaming and guided indicators for precise eyetracker positioning. It offers multiple calibration points with quality feedback and allows users to record samples to enhance eye-tracking accuracy. Users can also configure switch gestures and actions for customized control.

**Highlights:** Video stream with guided indicators, 5 and 9 point calibration, Calibration quality indicators, Manual feedback form, Eyetracker firmware updates, Sample recording for eye-tracking improvement, Switch configuration with gestures

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Skyle free?

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

### Is Hiru free?

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

### Do Skyle or Hiru have ads?

Neither Skyle nor Hiru shows ads.

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

Skyle ships an update every 3 weeks, and Hiru every 5 weeks. Most recently, Skyle was updated on October 13, 2026 and Hiru on October 8, 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.*