# Tynker Junior vs Osmo Lettertopia

The clearest difference is review sentiment: Tynker Junior at 59% against Osmo Lettertopia's 6%. Tynker Junior also leads on rating (4.5 vs 3.3) and ratings volume (4.2K vs 75). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Tynker Junior sells 6 in-app purchases, starting at $4.99 per month and Osmo Lettertopia sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Tynker Junior holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Tynker Junior has 4.2K ratings behind it against 75, so its average is the more settled of the two. Written reviews point the same way: 59% of Tynker Junior's written reviews are positive against 6% of Osmo Lettertopia's.

Tynker Junior ships an update every 2 months, Osmo Lettertopia every 3 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Tynker Junior | Osmo Lettertopia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4.2K ratings)](https://appshunter.io/ios/app/tynker-junior-coding-for-kids/id1393933000/reviews)** | [3.3 (75 ratings)](https://appshunter.io/ios/app/osmo-lettertopia/id1504176887/reviews) |
| Number of ratings | **4.2K** | 75 |
| Positive reviews | **58.8% of reviews** | 5.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 396 MB | 277 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tynker](https://appshunter.io/developer/805869470) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Tynker Junior

[App page](https://appshunter.io/ios/app/tynker-junior-coding-for-kids/id1393933000)

This app introduces children aged 4-7 to coding concepts through engaging, word-free picture blocks. It helps them develop problem-solving, logic, and critical thinking skills through interactive coding adventures. Designed for young learners, it makes learning to code fun and accessible.

**Highlights:** Word-free picture block coding, Problem-solving and logic development, Music and art creation, 200+ coding challenges, Tap-based interface, Voiceovers for guidance

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Monthly | $4.99 | per month |
| Tynker Jr. Web + Mobile Plan | $24.99 | per month |
| Individual Yearly | $49.99 | per year |
| Tynker Jr. Web + Mobile Plan | $59.99 | per 3 months |
| Tynker Jr. Web + Mobile Plan | $119.99 | per year |
| Tynker Jr. Web + Mobile Plan | $314.99 | one-time |

**What reviewers like**

- 👍 Fun and engaging for kids
- 💡 Good introduction to coding concepts
- 🚀 Easy to use interface

**What reviewers complain about**

- 🐛 Glitchy code and bugs
- 💰 Limited access without subscription
- 🤔 Misleading about subscription details

**Reported bugs**

- Levels/games not progressing properly
- Login and account issues
- Compatibility problems on certain devices

**Requested features**

- Add more advanced coding lessons
- Improve customer support and responsiveness
- Integrate with full Tynker app for seamless experience


### Osmo Lettertopia

[App page](https://appshunter.io/ios/app/osmo-lettertopia/id1504176887)

This app transforms your tablet into a hands-on learning system for children aged 6-10. Players team up to build words, collect magical creatures, and boost spelling and social-emotional skills through collaborative play.

**Highlights:** Team-based word building, Collect magical creatures, Boost spelling skills, Develop social-emotional skills, Hands-on learning system, Collaborative play

**In-app purchases (2)**

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


## Frequently asked questions

### Is Tynker Junior free?

Tynker Junior is free to download, with in-app purchases available.

### Is Osmo Lettertopia free?

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

### Which has better reviews, Tynker Junior or Osmo Lettertopia?

Tynker Junior is rated higher. Tynker Junior averages 4.5 out of 5 from 4.2K ratings, while Osmo Lettertopia averages 3.3 from 75 ratings.

### Do Tynker Junior or Osmo Lettertopia have ads?

Neither Tynker Junior nor Osmo Lettertopia shows ads.

### Which is updated more often, Tynker Junior or Osmo Lettertopia?

Tynker Junior ships an update every 2 months, and Osmo Lettertopia every 3 months. Most recently, Tynker Junior was updated on November 6, 2026 and Osmo Lettertopia on November 4, 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.*