# Dinosaur Chess vs Osmo Math Buzz

The clearest difference is review sentiment: Dinosaur Chess at 59% against Osmo Math Buzz's 13%. Dinosaur Chess also leads on rating (3.8 vs 3.0) and in-app purchases (none vs 2). Osmo Math Buzz's advantage is price (Free vs $4.99) and update cadence (every 2 months vs every 16 months). On ads and device support there is nothing between them.

Osmo Math Buzz is free to download; Dinosaur Chess costs $4.99 up front. Osmo Math Buzz sells 2 one-off in-app purchases. Dinosaur Chess asks for nothing beyond the download.

Dinosaur Chess holds the better App Store score, 3.8 against 3.0. Both are backed by a comparable volume of ratings — 38 and 143 respectively. Written reviews point the same way: 59% of Dinosaur Chess's written reviews are positive against 13% of Osmo Math Buzz's.

Dinosaur Chess ships an update every 16 months, Osmo Math Buzz every 2 months. The most recent releases landed on October 18, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Dinosaur Chess | Osmo Math Buzz |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.8 (38 ratings)](https://appshunter.io/ios/app/dinosaur-chess-learn-to-play/id405842432/reviews)** | [3.0 (143 ratings)](https://appshunter.io/ios/app/osmo-math-buzz/id1504177111/reviews) |
| Number of ratings | 38 | **143** |
| Positive reviews | **59.0% of reviews** | 13.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 34 MB | 264 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Universis Technology](https://appshunter.io/developer/405842435) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Dinosaur Chess

[App page](https://appshunter.io/ios/app/dinosaur-chess-learn-to-play/id405842432)

Learn and play chess with an engaging, non-intimidating approach. Features interactive lessons, mini-games, puzzles, and play against animated dinosaurs. Progress from beginner to advanced tactics.

**Highlights:** Interactive chess lessons, Mini games and puzzles, Play against animated dinosaurs, Chess tactics lessons, Progressive difficulty levels, Multi-student support

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for learning chess
- 👍 Fun and engaging for kids
- 👍 Teaches basic moves and tactics
- 👍 Good for all ages
- 👍 Educational value

**What reviewers complain about**

- 😞 No audio/sound issues
- 😞 Glitchy and unreliable
- 😞 Crashing frequently
- 😞 Poor user interface
- 😞 Rigid learning pace

**Reported bugs**

- No audio/sound issues reported consistently over many years
- App crashes frequently, especially at the end of games
- Pieces disappear or change randomly
- Game freezes
- Cannot save progress

**Requested features**

- Provide developer contact information
- Add a two-player mode
- Allow skipping learning modules
- Separate profiles for multiple users
- Option to turn off music


### Osmo Math Buzz

[App page](https://appshunter.io/ios/app/osmo-math-buzz/id1504177111)

Engage in collaborative math practice with up to four players, solving equations to overcome challenges and collect rewards. Designed for children aged 6-10, this app transforms screen time into hands-on learning through interactive play.

**Highlights:** Team-based math practice, Addition, subtraction, multiplication, Collaborative play, Hands-on learning system, Ages 6-10, Tangible play with digital learning

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day trial of Math Buzz | Free | one-time |
| Unlock Math Buzz | $24.99 | one-time |

**What reviewers like**

- 👍 Fun and engaging gameplay
- 💡 Teaches numbers and strategy
- 🤝 Good for multiplayer
- 💰 Nice price (for some)
- 🧠 Challenges children

**What reviewers complain about**

- 🐛 Freezes on startup
- 🐛 App won't load
- 🐛 Crashes mid-game
- 🐛 Progress lost on crash
- 🐛 Unreliable login

**Reported bugs**

- App freezes on Osmo logo
- App does not load
- App crashes during gameplay
- Lost progress after crashes
- Login issues and purchase restoration problems

**Requested features**

- Fix the app loading issue
- Improve app stability
- Make the game more engaging
- Provide clearer instructions
- Ensure progress is saved


## Frequently asked questions

### Is Dinosaur Chess free?

Dinosaur Chess costs $4.99, with no in-app purchases.

### Is Osmo Math Buzz free?

Osmo Math Buzz is free to download, with in-app purchases available.

### Which has better reviews, Dinosaur Chess or Osmo Math Buzz?

Dinosaur Chess is rated higher. Dinosaur Chess averages 3.8 out of 5 from 38 ratings, while Osmo Math Buzz averages 3.0 from 143 ratings.

### Do Dinosaur Chess or Osmo Math Buzz have ads?

Neither Dinosaur Chess nor Osmo Math Buzz shows ads.

### Which is updated more often, Dinosaur Chess or Osmo Math Buzz?

Dinosaur Chess ships an update every 16 months, and Osmo Math Buzz every 2 months. Most recently, Dinosaur Chess was updated on October 18, 2026 and Osmo Math Buzz on October 21, 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.*