# Prime Rush vs Qedra

The clearest difference is in-app purchases: Qedra at none against Prime Rush's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Prime Rush sells 1 one-off in-app purchase. Qedra asks for nothing beyond the download.

Prime Rush ships an update every 3 weeks, Qedra fortnightly. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Prime Rush | Qedra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 21 MB | 22 MB |
| Requires iOS | **17** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ayumu Izumi](https://appshunter.io/developer/1822273057) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## What reviewers say

### Prime Rush

[App page](https://appshunter.io/ios/app/prime-rush-math-time-attack/id6755986782)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $1.99 | one-time |


### Qedra

[App page](https://appshunter.io/ios/app/qedra-university-math-solver/id6803934326)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prime Rush free?

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

### Is Qedra free?

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

### Do Prime Rush or Qedra have ads?

Both Prime Rush and Qedra show ads.

### Which is updated more often, Prime Rush or Qedra?

Prime Rush ships an update every 3 weeks, and Qedra fortnightly. Most recently, Prime Rush was updated on October 15, 2026 and Qedra on October 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.*