# Tami's Tower vs Osmo Tangram

The clearest difference is review sentiment: Tami's Tower at 100% against Osmo Tangram's 56%. Tami's Tower also leads on rating (5.0 vs 4.1) and monetization model (free vs free with in-app purchases). Osmo Tangram's advantage is ratings volume (166 vs 14). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tami's Tower holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Osmo Tangram has 166 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 100% of Tami's Tower's written reviews are positive against 56% of Osmo Tangram's.

Tami's Tower ships an update every 6 weeks, Osmo Tangram every 2 months. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Tami's Tower | Osmo Tangram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/tamis-tower/id1438143259/reviews)** | [4.1 (166 ratings)](https://appshunter.io/ios/app/osmo-tangram/id1539533255/reviews) |
| Number of ratings | 14 | **166** |
| Positive reviews | **100.0% of reviews** | 55.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 501 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Tami's Tower

[App page](https://appshunter.io/ios/app/tamis-tower/id1438143259)

Guide a hungry tamarin to fruit by building a stable tower. Learn basic engineering design principles through interactive gameplay. This educational game is designed for young learners and can be used at home or in the classroom.

**Highlights:** Build towers to reach fruit, Learn engineering design principles, Educational content for K-2, Metacognitive prompts for self-assessment, Sandbox mode for level design, Classroom or home use

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

**In-app purchases:** none


### Osmo Tangram

[App page](https://appshunter.io/ios/app/osmo-tangram/id1539533255)

This app reinvents a classic puzzle game with a hands-on, interactive approach. Arrange physical tangram pieces to solve on-screen challenges, developing spatial reasoning and problem-solving skills. Explore diverse puzzles and bring your creations to life.

**Highlights:** Physical tangram pieces, On-screen puzzle matching, Spatial reasoning development, Multiple difficulty levels, Creative shape building, Interactive learning experience

**In-app purchases:** none


## Frequently asked questions

### Is Tami's Tower free?

Tami's Tower is free to download, with no in-app purchases.

### Is Osmo Tangram free?

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

### Which has better reviews, Tami's Tower or Osmo Tangram?

Tami's Tower is rated higher. Tami's Tower averages 5.0 out of 5 from 14 ratings, while Osmo Tangram averages 4.1 from 166 ratings.

### Do Tami's Tower or Osmo Tangram have ads?

Neither Tami's Tower nor Osmo Tangram shows ads.

### Which is updated more often, Tami's Tower or Osmo Tangram?

Tami's Tower ships an update every 6 weeks, and Osmo Tangram every 2 months. Most recently, Tami's Tower was updated on November 2, 2026 and Osmo Tangram on November 12, 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.*