# Monster Merge! vs Rockets Stack

The clearest difference is review sentiment: Monster Merge! at 100% against Rockets Stack's 18%. Monster Merge! also leads on rating (4.3 vs 2.1). Rockets Stack's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (236 vs 22). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Monster Merge! holds the better App Store score, 4.3 against 2.1. That said, the two scores are not equally well evidenced: Rockets Stack has 236 ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 100% of Monster Merge!'s written reviews are positive against 18% of Rockets Stack's.

Monster Merge! ships an update every 3 months, Rockets Stack fortnightly. The most recent releases landed on August 2, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Monster Merge! | Rockets Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (22 ratings)](https://appshunter.io/ios/app/monster-merge/id6452757021/reviews)** | [2.1 (236 ratings)](https://appshunter.io/ios/app/rockets-stack/id6475042655/reviews) |
| Number of ratings | 22 | **236** |
| Positive reviews | **100.0% of reviews** | 18.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 262 MB | 385 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Yso Corp](https://appshunter.io/developer/659815325) | [SUPERSONIC STUDIOS LTD](https://appshunter.io/developer/1499845738) |

## What reviewers say

### Monster Merge!

[App page](https://appshunter.io/ios/app/monster-merge/id6452757021)

Collect and merge adorable monsters to create powerful allies for your quest. Upgrade your creatures by combining them to unlock new abilities and progress through an exciting adventure.

**Highlights:** Monster collection, Monster merging and upgrading, Adventure gameplay, Cute monster designs, Simple controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Rockets Stack

[App page](https://appshunter.io/ios/app/rockets-stack/id6475042655)

Engage in thrilling battles by collecting powerful rockets to unleash upon monstrous foes. Strategize your collection and combat to achieve victory.

**Highlights:** Collect rockets, Destroy monsters, Strategic combat, Action gameplay

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and addictive gameplay
- 👍 Fun and enjoyable experience
- 🔥 Satisfying rocket launching

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🚫 Inability to progress past certain levels
- 💰 Excessive advertisements
- 🔒 Lack of progression and upgrades

**Reported bugs**

- Invisible or disappearing rocket launchers
- Progression stopping at certain levels
- Weapons not upgrading past a certain point
- Losing progress or inventory items

**Requested features**

- Ability to delete or discard unwanted crates
- More weapon and upgrade variety
- Improved game balance and progression


## Frequently asked questions

### Is Monster Merge! free?

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

### Is Rockets Stack free?

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

### Which has better reviews, Monster Merge! or Rockets Stack?

Monster Merge! is rated higher. Monster Merge! averages 4.3 out of 5 from 22 ratings, while Rockets Stack averages 2.1 from 236 ratings.

### Do Monster Merge! or Rockets Stack have ads?

Both Monster Merge! and Rockets Stack show ads.

### Which is updated more often, Monster Merge! or Rockets Stack?

Monster Merge! ships an update every 3 months, and Rockets Stack fortnightly. Most recently, Monster Merge! was updated on August 2, 2026 and Rockets Stack on September 25, 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.*