# Square Panda Letter Lab vs Osmo Math Buzz

The clearest difference is review sentiment: Square Panda Letter Lab at 55% against Osmo Math Buzz's 13%. Square Panda Letter Lab also leads on in-app purchases (none vs 2) and rating (3.3 vs 3.0). Osmo Math Buzz's advantage is ratings volume (143 vs 15) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Osmo Math Buzz sells 2 one-off in-app purchases. Square Panda Letter Lab asks for nothing beyond the download.

Square Panda Letter Lab holds the better App Store score, 3.3 against 3.0. That said, the two scores are not equally well evidenced: Osmo Math Buzz has 143 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 55% of Square Panda Letter Lab's written reviews are positive against 13% of Osmo Math Buzz's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 14, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Square Panda Letter Lab | Osmo Math Buzz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (15 ratings)](https://appshunter.io/ios/app/square-panda-letter-lab/id1091383431/reviews)** | [3.0 (143 ratings)](https://appshunter.io/ios/app/osmo-math-buzz/id1504177111/reviews) |
| Number of ratings | 15 | **143** |
| Positive reviews | **54.5% of reviews** | 13.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 350 MB | 264 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Square Panda Inc.](https://appshunter.io/developer/1088414097) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Square Panda Letter Lab

[App page](https://appshunter.io/ios/app/square-panda-letter-lab/id1091383431)

Children engage with letters and sounds in a playful laboratory setting. Robots help early learners discover the alphabet, phonemic awareness, and vocabulary through interactive activities. This app reinforces foundational reading skills for young children.

**Highlights:** Letter and sound discovery, Phonemic sound encoding/decoding, Interactive robot-based learning, Vocabulary building, Reading readiness skills

**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 Square Panda Letter Lab free?

Square Panda Letter Lab is free to download, 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, Square Panda Letter Lab or Osmo Math Buzz?

Square Panda Letter Lab is rated higher. Square Panda Letter Lab averages 3.3 out of 5 from 15 ratings, while Osmo Math Buzz averages 3.0 from 143 ratings.

### Do Square Panda Letter Lab or Osmo Math Buzz have ads?

Neither Square Panda Letter Lab nor Osmo Math Buzz shows ads.

### Which is updated more often, Square Panda Letter Lab or Osmo Math Buzz?

Square Panda Letter Lab ships an update every 2 months, and Osmo Math Buzz every 2 months. Most recently, Square Panda Letter Lab was updated on September 14, 2026 and Osmo Math Buzz 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.*