# Hiru vs CerePlay

The clearest difference is rating: Hiru at 5.0 against CerePlay's 3.8. Hiru also leads on in-app purchases (none vs 34) and iOS requirement (15.7 vs 17.2). CerePlay's advantage is ratings volume (4 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CerePlay sells 34 one-off in-app purchases. Hiru asks for nothing beyond the download.

Hiru holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Hiru ships an update every 5 weeks, CerePlay every 3 weeks. The most recent releases landed on October 8, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Hiru | CerePlay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hiru/id1537070396/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/cereplay/id1665705245/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 90 MB |
| Requires iOS | **15.7** | 17.2 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [IRISBOND CROWDBONDING SL](https://appshunter.io/developer/1519044422) | [CereProc Ltd](https://appshunter.io/developer/572931755) |

## 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


### CerePlay

[App page](https://appshunter.io/ios/app/cereplay/id1665705245)

Explore a wide range of text-to-speech voices in various languages and accents. Preview and purchase high-quality, human-like voices to enhance your device's linguistic capabilities for productivity or enjoyment.

**Highlights:** Browse text-to-speech voices, Multiple languages and accents, Preview voices before purchase, Human-like voice quality, Supports iPhone and iPad

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

**In-app purchases (34)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caitlin TTS | $0.99 | one-time |
| Carolyn TTS | $0.99 | one-time |
| Giles TTS | $0.99 | one-time |
| Jess TTS | $0.99 | one-time |
| Hannah TTS | $0.99 | one-time |
| Katherine TTS | $0.99 | one-time |
| Isabella TTS | $0.99 | one-time |
| Kirsty TTS | $0.99 | one-time |
| Lauren TTS | $0.99 | one-time |
| Megan TTS | $0.99 | one-time |
| Sarah TTS | $0.99 | one-time |
| William TTS | $0.99 | one-time |
| Stuart TTS | $0.99 | one-time |
| Robot TTS | $0.99 | one-time |
| Sue TTS | $0.99 | one-time |
| Ylva TTS | $0.99 | one-time |
| Yuki TTS | $0.99 | one-time |
| Suzanne TTS | $0.99 | one-time |
| Adam TTS | $0.99 | one-time |
| Ben TTS | $0.99 | one-time |
| Daria TTS | $0.99 | one-time |
| Jack TTS | $0.99 | one-time |
| Mairi TTS | $0.99 | one-time |
| Ghost TTS | $0.99 | one-time |
| Demon TTS | $0.99 | one-time |
| Nicole TTS | $0.99 | one-time |
| Amy TTS | $0.99 | one-time |
| Ana TTS | $0.99 | one-time |
| Andy TTS | $0.99 | one-time |
| Ceitidh TTS | $0.99 | one-time |
| Lily TTS | $0.99 | one-time |
| Jordan TTS | $0.99 | one-time |
| Sam TTS | $0.99 | one-time |
| Nathan TTS | $0.99 | one-time |


## Frequently asked questions

### Is Hiru free?

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

### Is CerePlay free?

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

### Which has better reviews, Hiru or CerePlay?

Hiru is rated higher. Hiru averages 5.0 out of 5 from 1 ratings, while CerePlay averages 3.8 from 4 ratings.

### Do Hiru or CerePlay have ads?

Neither Hiru nor CerePlay shows ads.

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

Hiru ships an update every 5 weeks, and CerePlay every 3 weeks. Most recently, Hiru was updated on October 8, 2026 and CerePlay on October 21, 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.*