# Study91Pro vs Adda Teacher's App

The clearest difference is in-app purchases: Adda Teacher's App at none against Study91Pro's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Study91Pro sells 10 one-off in-app purchases. Adda Teacher's App asks for nothing beyond the download.

## The numbers

| Metric | Study91Pro | Adda Teacher's App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 144 MB | 32 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [Metis Eduventures Private Limited](https://appshunter.io/developer/1255054631) |

## What reviewers say

### Study91Pro

[App page](https://appshunter.io/ios/app/study91pro/id6475599028)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AQ | $29.99 | one-time |
| Package - AU | $34.99 | one-time |
| Package - AV | $34.99 | one-time |
| Package - AW | $39.99 | one-time |
| Package - AX | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BF | $49.99 | one-time |


### Adda Teacher's App

[App page](https://appshunter.io/ios/app/adda-teachers-app/id6772993169)

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

**In-app purchases:** none


## Frequently asked questions

### Is Study91Pro free?

Study91Pro is free to download, with in-app purchases available.

### Is Adda Teacher's App free?

Adda Teacher's App is free to download, with no in-app purchases.

### Do Study91Pro or Adda Teacher's App have ads?

Neither Study91Pro nor Adda Teacher's App shows ads.

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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.*