# Cerebri vs Study Bud AI

The clearest difference is update cadence: Study Bud AI at daily against Cerebri's every 3 weeks. Study Bud AI also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cerebri sells 1 one-off in-app purchase and Study Bud AI sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Cerebri ships an update every 3 weeks, Study Bud AI daily. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Cerebri | Study Bud AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 2 MB | 31 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Farid Yannick Senouvo](https://appshunter.io/developer/1843793650) | [Khalid Alenazi](https://appshunter.io/developer/6805030158) |

## What reviewers say

### Cerebri

[App page](https://appshunter.io/ios/app/cerebri/id6782019737)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cerebri Premium | $4.99 | one-time |


### Study Bud AI

[App page](https://appshunter.io/ios/app/study-bud-ai/id6808664777)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Credits | $1.99 | one-time |
| 500 Credits | $14.99 | one-time |
| 1,500 Credits | $34.99 | one-time |
| 5,000 Credits | $79.99 | one-time |


## Frequently asked questions

### Is Cerebri free?

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

### Is Study Bud AI free?

Study Bud AI is free to download, with in-app purchases available.

### Do Cerebri or Study Bud AI have ads?

Neither Cerebri nor Study Bud AI shows ads.

### Which is updated more often, Cerebri or Study Bud AI?

Cerebri ships an update every 3 weeks, and Study Bud AI daily. Most recently, Cerebri was updated on October 25, 2026 and Study Bud AI on October 29, 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.*