# Dinosaur Master! vs STOP!!TIMER!!!

The clearest difference is in-app purchases: STOP!!TIMER!!! at none against Dinosaur Master!'s 6. STOP!!TIMER!!! also leads on iOS requirement (12.0 vs 15.0). Dinosaur Master!'s advantage is update cadence (every 3 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Dinosaur Master! sells 6 one-off in-app purchases. STOP!!TIMER!!! asks for nothing beyond the download.

Dinosaur Master! ships an update every 3 weeks, STOP!!TIMER!!! every 4 months. The most recent releases landed on November 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Dinosaur Master! | STOP!!TIMER!!! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/dinosaur-master/id1553757689/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 87.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 312 MB | 120 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nestor Dominguez Varela](https://appshunter.io/developer/1453325588) | [Kyosuke Noguchi](https://appshunter.io/developer/1767325191) |

## What reviewers say

### Dinosaur Master!

[App page](https://appshunter.io/ios/app/dinosaur-master/id1553757689)

Explore a vast encyclopedia of dinosaurs with fascinating facts and original illustrations. Test your knowledge with engaging minigames and quizzes, and collect over 100 prehistoric creatures. Perfect for young paleontologists to learn about the Jurassic and Cretaceous periods.

**Highlights:** Dinosaur encyclopedia with over 365 facts, Collect over 100 dinosaurs, Minigames for testing knowledge, Original, scientifically reconstructed illustrations, Offline play functionality, Regular updates with new dinosaurs

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cambrian & Giant Reptiles | $3.99 | one-time |
| Prehistoric Oceans | $3.99 | one-time |
| Ice Age Expansion | $3.99 | one-time |
| Ancient Reptiles Expansion | $4.99 | one-time |
| Ultrarare dinosaur offer | $4.99 | one-time |
| Ultrarare dinosaurs | $7.49 | one-time |

**What reviewers like**

- 👍 Realistic and accurate dinosaur information
- 🎮 Fun and educational mini-games
- 🔍 Detailed dinosaur encyclopedia
- 🎥 Jurassic World movie quiz
- 🖼️ High-quality visuals and illustrations

**What reviewers complain about**

- 💰 Paywall for many dinosaurs and features
- 🔍 Inaccuracies in dinosaur size and information
- 🌐 Translation quality issues
- 📺 Too many ads
- 🐛 Occasional bugs and glitches

**Reported bugs**

- Paid dinosaurs disappearing after purchase
- Incorrect placement of some dinosaurs in the timeline
- Freezing and crashing issues
- Incompatibility with older devices

**Requested features**

- Add more dinosaurs, especially from Jurassic World: Dominion
- Improve accuracy of dinosaur sizes and information
- Provide a way to unlock premium content without paying
- Add a dinosaur sound library
- Improve the hidden dinosaur quiz by revealing the answers


### STOP!!TIMER!!!

[App page](https://appshunter.io/ios/app/stoptimer/id6736664356)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dinosaur Master! free?

Dinosaur Master! is free to download, with in-app purchases available.

### Is STOP!!TIMER!!! free?

STOP!!TIMER!!! is free to download, with no in-app purchases.

### Do Dinosaur Master! or STOP!!TIMER!!! have ads?

Both Dinosaur Master! and STOP!!TIMER!!! show ads.

### Which is updated more often, Dinosaur Master! or STOP!!TIMER!!!?

Dinosaur Master! ships an update every 3 weeks, and STOP!!TIMER!!! every 4 months. Most recently, Dinosaur Master! was updated on November 7, 2026 and STOP!!TIMER!!! on October 27, 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.*