# Protege vs Study100on100

The clearest difference is in-app purchases: Study100on100 at none against Protege's 1. Study100on100 also leads on update cadence (every 8 days vs every 3 weeks). Protege's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Protege sells 1 in-app purchase, starting at $3.99 per month. Study100on100 asks for nothing beyond the download.

Protege ships an update every 3 weeks, Study100on100 every 8 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Protege | Study100on100 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 214 MB | 57 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yoseph Kassaye](https://appshunter.io/developer/603388887) | [ISolvX](https://appshunter.io/developer/1836852840) |

## What reviewers say

### Protege

[App page](https://appshunter.io/ios/app/protege-teach-your-student/id6747300537)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protege Subscription | $3.99 | per month |


### Study100on100

[App page](https://appshunter.io/ios/app/study100on100/id6751793640)

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

**In-app purchases:** none


## Frequently asked questions

### Is Protege free?

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

### Is Study100on100 free?

Study100on100 is free to download, with no in-app purchases.

### Do Protege or Study100on100 have ads?

Neither Protege nor Study100on100 shows ads.

### Which is updated more often, Protege or Study100on100?

Protege ships an update every 3 weeks, and Study100on100 every 8 days. Most recently, Protege was updated on October 30, 2026 and Study100on100 on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*