# Touch the Prime Numbers vs Rapid Fire 100

The clearest difference is iOS requirement: Touch the Prime Numbers at 7.0 against Rapid Fire 100's 13. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Touch the Prime Numbers ships an update every 4 months, Rapid Fire 100 every 3 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Touch the Prime Numbers | Rapid Fire 100 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/touch-the-prime-numbers/id380110486/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 6 MB | 3 MB |
| Requires iOS | **7.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RUCKYGAMES CO., LTD.](https://appshunter.io/developer/315948909) | [CriticalBlue Ltd](https://appshunter.io/developer/1032709343) |

## What reviewers say

### Touch the Prime Numbers

[App page](https://appshunter.io/ios/app/touch-the-prime-numbers/id380110486)

A straightforward game where players tap prime numbers as they appear. It's designed for quick play sessions and introduces users to a list of prime numbers. The game includes Game Center integration for leaderboards.

**Highlights:** Tap prime numbers, List of prime numbers provided, Quick gameplay, Game Center integration, Simple interface

**Features:** Vision Pro support

**In-app purchases:** none


### Rapid Fire 100

[App page](https://appshunter.io/ios/app/rapid-fire-100/id1032709344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Touch the Prime Numbers free?

Touch the Prime Numbers is free to download, with no in-app purchases.

### Is Rapid Fire 100 free?

Rapid Fire 100 is free to download, with no in-app purchases.

### Do Touch the Prime Numbers or Rapid Fire 100 have ads?

Neither Touch the Prime Numbers nor Rapid Fire 100 shows ads.

### Which is updated more often, Touch the Prime Numbers or Rapid Fire 100?

Touch the Prime Numbers ships an update every 4 months, and Rapid Fire 100 every 3 months. Most recently, Touch the Prime Numbers was updated on October 29, 2026 and Rapid Fire 100 on October 26, 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.*