# Tami's Tower vs Osmo Numbers

The clearest difference is review sentiment: Tami's Tower at 100% against Osmo Numbers's 33%. Tami's Tower also leads on rating (5.0 vs 3.8) and monetization model (free vs free with in-app purchases). Osmo Numbers's advantage is ratings volume (146 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 3.8. That said, the two scores are not equally well evidenced: Osmo Numbers has 146 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 33% of Osmo Numbers's.

Tami's Tower ships an update every 6 weeks, Osmo Numbers every 2 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tami's Tower | Osmo Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/tamis-tower/id1438143259/reviews)** | [3.8 (146 ratings)](https://appshunter.io/ios/app/osmo-numbers/id1531762562/reviews) |
| Number of ratings | 14 | **146** |
| Positive reviews | **100.0% of reviews** | 33.3% 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 | 358 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 Numbers

[App page](https://appshunter.io/ios/app/osmo-numbers/id1531762562)

Engage in hands-on math activities with physical tiles that interact with your device. Solve problems to collect virtual fish, learn geography, and explore marine biology in a fun, stress-free environment.

**Highlights:** Hands-on play with physical tiles, Counting, addition, subtraction, multiplication, Collect over 100 virtual fish, Learn geography and marine biology, Real-time feedback, Stress-free learning environment

**In-app purchases:** none

**What reviewers like**

- 👍 Great way to practice math
- 👍 Kids enjoy it
- 👍 Fun concept
- 👍 Cute graphics and interactive things
- 👍 Hands-on learning

**What reviewers complain about**

- 🐛 App glitches frequently
- 🐛 App crashes
- 🐛 Game doesn't register tiles
- 🐛 Not compatible with certain iPads
- 🐛 Codes not working

**Reported bugs**

- App glitches
- App crashes
- Game will not register tiles
- Reflector not sensing tiles
- App won't open on old iPads

**Requested features**

- Increase timer duration
- Add more drawing games
- Add voice reading for math problems
- Improve tile sensing accuracy
- Make game go slower


## Frequently asked questions

### Is Tami's Tower free?

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

### Is Osmo Numbers free?

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

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

Tami's Tower is rated higher. Tami's Tower averages 5.0 out of 5 from 14 ratings, while Osmo Numbers averages 3.8 from 146 ratings.

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

Neither Tami's Tower nor Osmo Numbers shows ads.

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

Tami's Tower ships an update every 6 weeks, and Osmo Numbers every 2 months. Most recently, Tami's Tower was updated on October 11, 2026 and Osmo Numbers on October 24, 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.*