# Number Cubes Deluxe vs Osmo Math Buzz

The clearest difference is price: Osmo Math Buzz at Free against Number Cubes Deluxe's $1.99. Osmo Math Buzz also leads on update cadence (every 2 months vs every 26 months) and device support (3 vs 1). Number Cubes Deluxe's advantage is in-app purchases (none vs 2) and iOS requirement (13.2 vs 15.0). On ads there is nothing between them.

Osmo Math Buzz is free to download; Number Cubes Deluxe costs $1.99 up front. Osmo Math Buzz sells 2 one-off in-app purchases. Number Cubes Deluxe asks for nothing beyond the download.

Number Cubes Deluxe ships an update every 26 months, Osmo Math Buzz every 2 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | Number Cubes Deluxe | Osmo Math Buzz |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[3.0 (143 ratings)](https://appshunter.io/ios/app/osmo-math-buzz/id1504177111/reviews)** |
| Number of ratings | — | **143** |
| Positive reviews | — | 13.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 264 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Number Cubes Deluxe

[App page](https://appshunter.io/ios/app/number-cubes-deluxe/id1499541360)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Number Cubes Deluxe free?

Number Cubes Deluxe costs $1.99, with no in-app purchases.

### Is Osmo Math Buzz free?

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

### Do Number Cubes Deluxe or Osmo Math Buzz have ads?

Neither Number Cubes Deluxe nor Osmo Math Buzz shows ads.

### Which is updated more often, Number Cubes Deluxe or Osmo Math Buzz?

Number Cubes Deluxe ships an update every 26 months, and Osmo Math Buzz every 2 months. Most recently, Number Cubes Deluxe was updated on October 16, 2026 and Osmo Math Buzz on October 16, 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.*