# izOnay vs Cere

The clearest difference is in-app purchases: izOnay at none against Cere's 5. izOnay also leads on ads (none vs shown). Cere's advantage is update cadence (every 10 days vs every 13 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cere sells 5 in-app purchases, starting at $4.99 per month. izOnay asks for nothing beyond the download.

izOnay ships an update every 13 months, Cere every 10 days. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | izOnay | Cere |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 218 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Izometri Bilisim Hizmetleri Ic ve Dis Ticaret Limited Sirketi](https://appshunter.io/developer/1498907783) | [Cerebrum Teknoloji Yazilim Sanayi Ve Ticaret Anonim Sirketi](https://appshunter.io/developer/1627476325) |

## What reviewers say

### izOnay

[App page](https://appshunter.io/ios/app/izonay/id1498907784)

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

**In-app purchases:** none


### Cere

[App page](https://appshunter.io/ios/app/cere-ai-powered-chatbot/id6445912888)

This AI-powered companion helps manage daily tasks, boost productivity, and enhance social life. It uses GPT-4 technology for personalized assistance in personal and professional matters, including language learning and research.

**Highlights:** AI-powered chat assistance, Personalized task management, Language learning and practice, Research and idea brainstorming, Social skills enhancement, Customizable AI responses

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get unlimited questions | $4.99 | per month |
| Get 50 Questions | $0.99 | one-time |
| Get 100 Questions | $0.99 | one-time |
| Get 600 Questions | $2.99 | one-time |
| Get 2000 Questions | $4.99 | one-time |


## Frequently asked questions

### Is izOnay free?

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

### Is Cere free?

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

### Do izOnay or Cere have ads?

Cere shows ads; izOnay does not.

### Which is updated more often, izOnay or Cere?

izOnay ships an update every 13 months, and Cere every 10 days. Most recently, izOnay was updated on October 12, 2026 and Cere on October 16, 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.*