# StudyRush vs Sunja

The clearest difference is ads: StudyRush at none against Sunja's shown. StudyRush also leads on update cadence (every 9 days vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. StudyRush sells 4 in-app purchases, starting at $5.99 per 7 days and Sunja sells 2 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

StudyRush ships an update every 9 days, Sunja every 5 months. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | StudyRush | Sunja |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 5 months |
| Size | 138 MB | 70 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Miloudi](https://appshunter.io/developer/1853209996) | [Sunja Labs Private Limited](https://appshunter.io/developer/1774734869) |

## What reviewers say

### StudyRush

[App page](https://appshunter.io/ios/app/studyrush-flashcard-and-notes/id6756920365)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudyRush Premium Weekly | $5.99 | per 7 days |
| StudyRush Premium Monthly | $9.99 | per month |
| StudyRush Premium Yearly | $29.99 | per year |
| StudyRush Annual | $29.99 | per year |


### Sunja

[App page](https://appshunter.io/ios/app/sunja-interactive-3d-science/id6760365462)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Learning | $29.99 | per month |
| Annual Learning | $199.99 | per year |


## Frequently asked questions

### Is StudyRush free?

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

### Is Sunja free?

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

### Do StudyRush or Sunja have ads?

Sunja shows ads; StudyRush does not.

### Which is updated more often, StudyRush or Sunja?

StudyRush ships an update every 9 days, and Sunja every 5 months. Most recently, StudyRush was updated on September 20, 2026 and Sunja on September 19, 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.*