# Study vs Biology AI

The clearest difference is update cadence: Study at every 3 days against Biology AI's every 3 months. Biology AI's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Study sells 2 in-app purchases, starting at $6.99 per 7 days and Biology AI sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Study ships an update every 3 days, Biology AI every 3 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Study | Biology AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Size | 13 MB | 46 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Liberace AI](https://appshunter.io/developer/1792034511) | [Bekir Genc](https://appshunter.io/developer/1780208238) |

## What reviewers say

### Study

[App page](https://appshunter.io/ios/app/study-homework-ai-solver/id6744557326)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Weekly (Free Trial) | $6.99 | per 7 days |
| Plus Yearly (Free Trial) | $49.99 | per year |


### Biology AI

[App page](https://appshunter.io/ios/app/biology-ai-homework-tutor/id6759449593)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is Study free?

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

### Is Biology AI free?

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

### Do Study or Biology AI have ads?

Neither Study nor Biology AI shows ads.

### Which is updated more often, Study or Biology AI?

Study ships an update every 3 days, and Biology AI every 3 months. Most recently, Study was updated on November 8, 2026 and Biology AI on November 5, 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.*