Hiru vs CerePlay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hiru
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.
- Eye tracking calibration
- Positioning guide
- Pointer sensitivity customization
- Dwell time adjustment
- Accuracy enhancement
- Software updates
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Welcome to your Hiru app! Hiru App is a calibration application that provides you the best eye tracking experience when you are using your Hiru by IRISBOND. The calibration teaches the Hiru how to track your eyes. Perform a calibration at the beginning of an eye gaze session, when changing between devices or if you feel you need more accuracy. Thanks to Hiru app, you can: → Have access to a positioning guide for a better calibration. → Calibrate the Hiru. → Customize the sensitivity of the pointer. → Change the Hiru app dwell time. → You can use the calibration for a better accuracy. → Update your Hiru whenever there is a new release available. → You can now understand if your eyes are being tracked without any effort and re-calibrate faster in case you might need it. Hiru app is available in English, German and Spanish. This app works for iOS version 15 or above.
CerePlay
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.
- Browse text-to-speech voices
- Multiple languages and accents
- Preview voices before purchase
- Human-like voice quality
- Supports iPhone and iPad
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Step into a world of voice diversity with CereProc's innovative app for iPhone & iPad. Whether you're enhancing productivity or simply indulging in the joy of listening, our app offers a seamless browsing experience of text-to-speech voices in a multitude of languages and accents. Preview voices before purchase to ensure they match your expectations and needs perfectly. Embrace the future of voice technology with the introduction of CereProc Version 7 voices, presenting CereWave alternatives that deliver remarkably human-like outputs. Transform your device into a powerhouse of linguistic versatility with CereProc.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Hiru | CerePlay |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.8 (4 ratings) |
| Positive reviews | — | 57.1% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 15.7 — better | 17.2 |
| Further details — not scored | ||
| Size | 23 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | IRISBOND CROWDBONDING SL | CereProc Ltd |
Customer experience
Hiru
CerePlay
In-app purchases
Hiru
No in-app purchases
CerePlay
- Caitlin TTS$0.99
- Carolyn TTS$0.99
- Giles TTS$0.99
Show 31 moreShow fewer
- Jess TTS$0.99
- Hannah TTS$0.99
- Katherine TTS$0.99
- Isabella TTS$0.99
- Kirsty TTS$0.99
- Lauren TTS$0.99
- Megan TTS$0.99
- Sarah TTS$0.99
- William TTS$0.99
- Stuart TTS$0.99
- Robot TTS$0.99
- Sue TTS$0.99
- Ylva TTS$0.99
- Yuki TTS$0.99
- Suzanne TTS$0.99
- Adam TTS$0.99
- Ben TTS$0.99
- Daria TTS$0.99
- Jack TTS$0.99
- Mairi TTS$0.99
- Ghost TTS$0.99
- Demon TTS$0.99
- Nicole TTS$0.99
- Amy TTS$0.99
- Ana TTS$0.99
- Andy TTS$0.99
- Ceitidh TTS$0.99
- Lily TTS$0.99
- Jordan TTS$0.99
- Sam TTS$0.99
- Nathan TTS$0.99









