# Osmo Shape Builder vs Ei!

The clearest difference is in-app purchases: Ei! at none against Osmo Shape Builder's 2. Ei! also leads on update cadence (monthly vs every 3 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Osmo Shape Builder sells 2 one-off in-app purchases. Ei! asks for nothing beyond the download.

Osmo Shape Builder ships an update every 3 months, Ei! monthly. The most recent releases landed on September 25, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | Osmo Shape Builder | Ei! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (86 ratings)](https://appshunter.io/ios/app/osmo-shape-builder/id1492331208/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 322 MB | 30 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tangible Play](https://appshunter.io/developer/799157444) | [Editora FTD S/A](https://appshunter.io/developer/574012757) |

## What reviewers say

### Osmo Shape Builder

[App page](https://appshunter.io/ios/app/osmo-shape-builder/id1492331208)

This app helps young children learn basic geometric shapes through interactive play. It progresses from identifying shapes to creating them, fostering a love for learning and turning screen time into an educational experience.

**Highlights:** Learn basic geometric shapes, Compose and create shapes, Identify and describe shapes, Color recognition, Hands-on learning system, Inspires love of learning

**In-app purchases (2)**

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


### Ei!

[App page](https://appshunter.io/ios/app/ei/id1625151760)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Osmo Shape Builder free?

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

### Is Ei! free?

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

### Do Osmo Shape Builder or Ei! have ads?

Neither Osmo Shape Builder nor Ei! shows ads.

### Which is updated more often, Osmo Shape Builder or Ei!?

Osmo Shape Builder ships an update every 3 months, and Ei! monthly. Most recently, Osmo Shape Builder was updated on September 25, 2026 and Ei! on August 28, 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.*