# Rapid Fire 100 vs Merge Number

The clearest difference is ads: Rapid Fire 100 at none against Merge Number's shown. Rapid Fire 100 also leads on iOS requirement (13 vs 15.6). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Rapid Fire 100 ships an update every 3 months, Merge Number every 5 months. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Rapid Fire 100 | Merge Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/merge-number-stack-it-game/id1614185641/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | — | Ad-supported |
| Size | 3 MB | 21 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CriticalBlue Ltd](https://appshunter.io/developer/1032709343) | [Bhavana Ponkiya](https://appshunter.io/developer/1548462328) |

## What reviewers say

### Rapid Fire 100

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Merge Number

[App page](https://appshunter.io/ios/app/merge-number-stack-it-game/id1614185641)

This addictive number puzzle game challenges players to merge numbered rings by stacking them. With unlimited levels and classic gameplay, it's designed to enhance mental power and IQ. Enjoy a visually appealing experience with qualitative graphics and smooth animations.

**Highlights:** Number stacking and merging gameplay, Unlimited levels, Offline play, Qualitative graphics and sound, User-friendly controls, Suitable for all ages

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

**In-app purchases:** none


## Frequently asked questions

### Is Rapid Fire 100 free?

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

### Is Merge Number free?

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

### Do Rapid Fire 100 or Merge Number have ads?

Merge Number shows ads; Rapid Fire 100 does not.

### Which is updated more often, Rapid Fire 100 or Merge Number?

Rapid Fire 100 ships an update every 3 months, and Merge Number every 5 months. Most recently, Rapid Fire 100 was updated on October 14, 2026 and Merge Number on October 12, 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.*