# Gun Shot Rumble vs DiffMaster

The clearest difference is in-app purchases: DiffMaster at none against Gun Shot Rumble's 7. Gun Shot Rumble's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gun Shot Rumble sells 7 one-off in-app purchases. DiffMaster asks for nothing beyond the download.

Gun Shot Rumble ships an update weekly, DiffMaster fortnightly. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Gun Shot Rumble | DiffMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/diffmaster-spot-difference/id6778729497/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 243 MB | 149 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Modle Studios Inc.](https://appshunter.io/developer/1764248805) | [GoEun Choi](https://appshunter.io/developer/1526619924) |

## What reviewers say

### Gun Shot Rumble

[App page](https://appshunter.io/ios/app/gun-shot-rumble/id6476123067)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bundle of Crystal | $5.99 | one-time |
| VIP 7days | $5.99 | one-time |
| Elite pass | $6.99 | one-time |
| VIP 30days | $14.99 | one-time |
| Elite pass plus | $14.99 | one-time |
| Crystal Pouch | $19.99 | one-time |
| Crystal Safe | $49.99 | one-time |


### DiffMaster

[App page](https://appshunter.io/ios/app/diffmaster-spot-difference/id6778729497)

This game offers a relaxing visual puzzle experience with charming illustrations and no time pressure. It's designed for casual gamers seeking a stress-free way to unwind and enjoy a gentle brain workout, playable offline anywhere.

**Highlights:** Calm and relaxing gameplay with no timer, Gentle brain workout, Cute and cozy artwork, Playable offline anywhere, Continuous new content updates, Easy zoom feature for detailed inspection

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

**In-app purchases:** none


## Frequently asked questions

### Is Gun Shot Rumble free?

Gun Shot Rumble is free to download, with in-app purchases available.

### Is DiffMaster free?

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

### Do Gun Shot Rumble or DiffMaster have ads?

Both Gun Shot Rumble and DiffMaster show ads.

### Which is updated more often, Gun Shot Rumble or DiffMaster?

Gun Shot Rumble ships an update weekly, and DiffMaster fortnightly. Most recently, Gun Shot Rumble was updated on September 30, 2026 and DiffMaster on October 7, 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.*