# Osmo Lettertopia vs BuildInstruction

The clearest difference is rating: BuildInstruction at 4.4 against Osmo Lettertopia's 3.3. BuildInstruction also leads on in-app purchases (none vs 2). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Osmo Lettertopia sells 2 one-off in-app purchases. BuildInstruction asks for nothing beyond the download.

BuildInstruction holds the better App Store score, 4.4 against 3.3. Both are backed by a comparable volume of ratings — 75 and 112 respectively. Written reviews complicate that: 6% of Osmo Lettertopia's written reviews are positive against 0% of BuildInstruction's, so the app with the better star average is not the one people write more warmly about.

## The numbers

| Metric | Osmo Lettertopia | BuildInstruction |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (75 ratings)](https://appshunter.io/ios/app/osmo-lettertopia/id1504176887/reviews) | **[4.4 (112 ratings)](https://appshunter.io/ios/app/buildinstruction/id1543726198/reviews)** |
| Number of ratings | 75 | **112** |
| Positive reviews | **5.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 277 MB | 15 MB |
| Requires iOS | 15.0 | **14.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tangible Play](https://appshunter.io/developer/799157444) | [Lukasz Neumann](https://appshunter.io/developer/1533575695) |

## What reviewers say

### 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 |


### BuildInstruction

[App page](https://appshunter.io/ios/app/buildinstruction/id1543726198)

This app provides clear, step-by-step visual guides for building robotics projects. It currently offers 18 detailed instructions perfect for learning robotics and coding concepts.

**Highlights:** Step-by-step building instructions, Large, clear pictures, 18 building guides included, Supports robotics learning, Aids coding education

**In-app purchases:** none


## Frequently asked questions

### Is Osmo Lettertopia free?

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

### Is BuildInstruction free?

BuildInstruction is free to download, with no in-app purchases.

### Which has better reviews, Osmo Lettertopia or BuildInstruction?

BuildInstruction is rated higher. Osmo Lettertopia averages 3.3 out of 5 from 75 ratings, while BuildInstruction averages 4.4 from 112 ratings.

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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.*