# Osmo Shape Builder vs Birth Work Mastery

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

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

Osmo Shape Builder ships an update every 3 months, Birth Work Mastery every 3 weeks. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Osmo Shape Builder | Birth Work Mastery |
| --- | --- | --- |
| 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 | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 322 MB | 394 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tangible Play](https://appshunter.io/developer/799157444) | [Birth Work Mastery LLC](https://appshunter.io/developer/1851480270) |

## 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 |


### Birth Work Mastery

[App page](https://appshunter.io/ios/app/birth-work-mastery/id6755044133)

**Features:** macOS Compatibility, Apple Wallet

**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 Birth Work Mastery free?

Birth Work Mastery is free to download, with no in-app purchases.

### Do Osmo Shape Builder or Birth Work Mastery have ads?

Neither Osmo Shape Builder nor Birth Work Mastery shows ads.

### Which is updated more often, Osmo Shape Builder or Birth Work Mastery?

Osmo Shape Builder ships an update every 3 months, and Birth Work Mastery every 3 weeks. Most recently, Osmo Shape Builder was updated on October 9, 2026 and Birth Work Mastery on October 10, 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.*