# Monster Catch Run vs Letter Evolution 3D

The clearest difference is in-app purchases: Letter Evolution 3D at none against Monster Catch Run's 6. Letter Evolution 3D also leads on ads (none vs shown) and update cadence (every 2 days vs weekly). Monster Catch Run's advantage is ratings volume (832 vs 77). On price, rating and device support there is nothing between them.

Both are free to download. Monster Catch Run sells 6 one-off in-app purchases. Letter Evolution 3D asks for nothing beyond the download.

Monster Catch Run holds the better App Store score, 4.5 against 4.4. That said, the two scores are not equally well evidenced: Monster Catch Run has 832 ratings behind it against 77, so its average is the more settled of the two.

Monster Catch Run ships an update weekly, Letter Evolution 3D every 2 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Monster Catch Run | Letter Evolution 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (832 ratings)](https://appshunter.io/ios/app/monster-catch-run/id1638101218/reviews)** | [4.4 (77 ratings)](https://appshunter.io/ios/app/letter-evolution-3d-mergeio/id1661400387/reviews) |
| Number of ratings | **832** | 77 |
| Positive reviews | 49.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 240 MB | 178 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国新 夏](https://appshunter.io/developer/1538418070) | [Huu Nguyen](https://appshunter.io/developer/1577751336) |

## What reviewers say

### Monster Catch Run

[App page](https://appshunter.io/ios/app/monster-catch-run/id1638101218)

Embark on a thrilling dinosaur hunting adventure. Capture various dinosaurs, merge them to create colossal beasts, and dominate your rivals in epic battles.

**Highlights:** Dinosaur hunting, Dinosaur merging, Competitive battles, Colossal dinosaur creation

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Newbie Skins Pack | $0.99 | one-time |
| Newbie Pack | $0.99 | one-time |
| RemoveAds | $2.99 | one-time |
| NoAds + 10 Dinos + 5,000 Coins | $3.99 | one-time |
| NoAds + 5 Skins + 5,000 Coins | $3.99 | one-time |
| NoAds+ 20 Dinos + 20,000 Coins | $5.99 | one-time |

**What reviewers like**

- 🚀 Addictive gameplay
- 👍 Fun for all ages
- 🎨 Visually appealing
- 💎 Great value for free game

**What reviewers complain about**

- 🐛 Frequent freezing and crashes
- 💰 Excessive ads and in-app purchases
- 🔁 Repetitive gameplay after reaching higher levels
- 🤯 Frustrating loss of progress

**Reported bugs**

- Game freezes at specific levels
- Coins/rewards not properly awarded
- Disappearing/lost progress and in-game items
- Compatibility issues on certain devices

**Requested features**

- More levels and content
- Ability to keep progress after reaching higher levels
- Reduced ads or paid ad-free option
- Improved performance and stability


### Letter Evolution 3D

[App page](https://appshunter.io/ios/app/letter-evolution-3d-mergeio/id1661400387)

Collect and unlock letters to build a powerful squad. Expand your collection and strategize to create the ultimate letter team. Enjoy a simple yet engaging collection and merging game experience.

**Highlights:** Collect all letters, Unlock letter powers, Build a letter squad, Evolve your collection, Merge letters

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

**In-app purchases:** none


## Frequently asked questions

### Is Monster Catch Run free?

Monster Catch Run is free to download, with in-app purchases available.

### Is Letter Evolution 3D free?

Letter Evolution 3D is free to download, with no in-app purchases.

### Which has better reviews, Monster Catch Run or Letter Evolution 3D?

Monster Catch Run is rated higher. Monster Catch Run averages 4.5 out of 5 from 832 ratings, while Letter Evolution 3D averages 4.4 from 77 ratings.

### Do Monster Catch Run or Letter Evolution 3D have ads?

Monster Catch Run shows ads; Letter Evolution 3D does not.

### Which is updated more often, Monster Catch Run or Letter Evolution 3D?

Monster Catch Run ships an update weekly, and Letter Evolution 3D every 2 days. Most recently, Monster Catch Run was updated on October 24, 2026 and Letter Evolution 3D on October 30, 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.*