# Merge Loop vs Robot Mayhem

The clearest difference is in-app purchases: Merge Loop at none against Robot Mayhem's 21. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Robot Mayhem sells 21 in-app purchases, starting at $9.99 per month. Merge Loop asks for nothing beyond the download.

Merge Loop ships an update monthly, Robot Mayhem fortnightly. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Merge Loop | Robot Mayhem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (20 ratings)](https://appshunter.io/ios/app/robot-mayhem/id6463430045/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 46.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 117 MB | 315 MB |
| Requires iOS | **13.0** | 14.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Full Fat Productions Ltd](https://appshunter.io/developer/374306144) | [WORLDNMORE TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1703929690) |

## What reviewers say

### Merge Loop

[App page](https://appshunter.io/ios/app/merge-loop/id1642743777)

**Features:** macOS Compatibility

**In-app purchases:** none


### Robot Mayhem

[App page](https://appshunter.io/ios/app/robot-mayhem/id6463430045)

Engage in intense battles against waves of sentient robots threatening humanity. Utilize a variety of weapons, upgrade your skills through a roguelike talent tree, and conquer diverse maps to survive overwhelming odds.

**Highlights:** One-handed control, Salvageable and multiple weapon choices, Varied robot types and maps, Roguelike talent tree for skill progression, Intense wave-based combat

**Features:** macOS Compatibility

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Diamonds (x100) | $1.99 | one-time |
| Bundle 1 | $1.99 | one-time |
| Ad Pass Offer | $2.99 | one-time |
| Bundle 2 | $3.99 | one-time |
| Ad Pass (x10) | $3.99 | one-time |
| XP Collector Drone | $3.99 | one-time |
| Diamonds (x550) | $4.99 | one-time |
| Bundle 4 | $4.99 | one-time |
| Bundle 3 | $4.99 | one-time |
| Bundle 5 | $5.99 | one-time |
| Bundle 6 | $5.99 | one-time |
| Bundle 7 | $7.99 | one-time |
| Regular Battle Pass | $9.99 | one-time |
| Ad Pass (x30) | $9.99 | one-time |
| Bundle 8 | $9.99 | one-time |
| Diamonds (x1200) | $9.99 | one-time |
| Bundle 9 | $11.99 | one-time |
| Ad Pass (x50) | $14.99 | one-time |
| Bundle 10 | $14.99 | one-time |
| Diamonds (x2500) | $19.99 | one-time |


## Frequently asked questions

### Is Merge Loop free?

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

### Is Robot Mayhem free?

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

### Do Merge Loop or Robot Mayhem have ads?

Both Merge Loop and Robot Mayhem show ads.

### Which is updated more often, Merge Loop or Robot Mayhem?

Merge Loop ships an update monthly, and Robot Mayhem fortnightly. Most recently, Merge Loop was updated on September 10, 2026 and Robot Mayhem on June 1, 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.*