# Osmo Coding Duo vs Sphero Edu Jr

The clearest difference is update cadence: Osmo Coding Duo at every 2 months against Sphero Edu Jr's every 17 months. Osmo Coding Duo also leads on rating (3.9 vs 3.6) and ratings volume (145 vs 15). Sphero Edu Jr's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

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

Osmo Coding Duo holds the better App Store score, 3.9 against 3.6. That said, the two scores are not equally well evidenced: Osmo Coding Duo has 145 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 53% of Osmo Coding Duo's written reviews are positive against 44% of Sphero Edu Jr's.

Osmo Coding Duo ships an update every 2 months, Sphero Edu Jr every 17 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Osmo Coding Duo | Sphero Edu Jr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (145 ratings)](https://appshunter.io/ios/app/osmo-coding-duo/id1294444077/reviews)** | [3.6 (15 ratings)](https://appshunter.io/ios/app/sphero-edu-jr/id1545146776/reviews) |
| Number of ratings | **145** | 15 |
| Positive reviews | **52.6% of reviews** | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 17 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 309 MB | 128 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tangible Play](https://appshunter.io/developer/799157444) | [Sphero, Inc.](https://appshunter.io/developer/468699622) |

## What reviewers say

### Osmo Coding Duo

[App page](https://appshunter.io/ios/app/osmo-coding-duo/id1294444077)

This app offers a collaborative coding adventure where two players team up to solve logic puzzles and rescue pets. It introduces real-world coding concepts through engaging challenges and a fun narrative.

**Highlights:** Multistep logic problems, Collaborative play for two, Coding concept introduction, Pet rescue adventure, Osmo character interaction

**In-app purchases:** none


### Sphero Edu Jr

[App page](https://appshunter.io/ios/app/sphero-edu-jr/id1545146776)

This app allows users to connect to a robot and customize its actions using visual programming blocks. Create mazes, play games, and compose music while learning fundamental coding logic.

**Highlights:** Block programming interface, Customize lights, sounds, and movements, Create mazes and games, Learn basic programming logic, Classic and new drive modes

**In-app purchases:** none


## Frequently asked questions

### Is Osmo Coding Duo free?

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

### Is Sphero Edu Jr free?

Sphero Edu Jr is free to download, with no in-app purchases.

### Which has better reviews, Osmo Coding Duo or Sphero Edu Jr?

Osmo Coding Duo is rated higher. Osmo Coding Duo averages 3.9 out of 5 from 145 ratings, while Sphero Edu Jr averages 3.6 from 15 ratings.

### Do Osmo Coding Duo or Sphero Edu Jr have ads?

Neither Osmo Coding Duo nor Sphero Edu Jr shows ads.

### Which is updated more often, Osmo Coding Duo or Sphero Edu Jr?

Osmo Coding Duo ships an update every 2 months, and Sphero Edu Jr every 17 months. Most recently, Osmo Coding Duo was updated on September 25, 2026 and Sphero Edu Jr on September 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.*