# Duck Duck Moose Reading HD vs Osmo Shape Builder

The clearest difference is review sentiment: Duck Duck Moose Reading HD at 43% against Osmo Shape Builder's 0%. Duck Duck Moose Reading HD also leads on rating (4.1 vs 2.3) and in-app purchases (none vs 2). Osmo Shape Builder's advantage is update cadence (every 3 months vs every 11 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Osmo Shape Builder sells 2 one-off in-app purchases. Duck Duck Moose Reading HD asks for nothing beyond the download.

Duck Duck Moose Reading HD holds the better App Store score, 4.1 against 2.3. Both are backed by a comparable volume of ratings — 32 and 86 respectively. Written reviews point the same way: 43% of Duck Duck Moose Reading HD's written reviews are positive against 0% of Osmo Shape Builder's.

Duck Duck Moose Reading HD ships an update every 11 months, Osmo Shape Builder every 3 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Duck Duck Moose Reading HD | Osmo Shape Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (32 ratings)](https://appshunter.io/ios/app/duck-duck-moose-reading-hd/id573698255/reviews)** | [2.3 (86 ratings)](https://appshunter.io/ios/app/osmo-shape-builder/id1492331208/reviews) |
| Number of ratings | 32 | **86** |
| Positive reviews | **43.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 55 MB | 322 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Duck Duck Moose LLC](https://appshunter.io/developer/303076298) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Duck Duck Moose Reading HD

[App page](https://appshunter.io/ios/app/duck-duck-moose-reading-hd/id573698255)

This app offers a zoo-themed adventure to teach phonics and reading skills to young children. It features word and letter activities aligned with Common Core State Standards, along with a parent reporting tool to track progress. Developed with educators, it's designed for ages 3-7.

**Highlights:** Zoo-themed learning adventure, Phonics and reading skill development, Word and letter activities, Common Core State Standards alignment, Parent progress reporting tool, Developed with educators

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Duck Duck Moose Reading HD free?

Duck Duck Moose Reading HD is free to download, with no in-app purchases.

### Is Osmo Shape Builder free?

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

### Which has better reviews, Duck Duck Moose Reading HD or Osmo Shape Builder?

Duck Duck Moose Reading HD is rated higher. Duck Duck Moose Reading HD averages 4.1 out of 5 from 32 ratings, while Osmo Shape Builder averages 2.3 from 86 ratings.

### Do Duck Duck Moose Reading HD or Osmo Shape Builder have ads?

Neither Duck Duck Moose Reading HD nor Osmo Shape Builder shows ads.

### Which is updated more often, Duck Duck Moose Reading HD or Osmo Shape Builder?

Duck Duck Moose Reading HD ships an update every 11 months, and Osmo Shape Builder every 3 months. Most recently, Duck Duck Moose Reading HD was updated on October 22, 2026 and Osmo Shape Builder on October 21, 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.*