# Photon Robot vs Osmo Coding Duo

The clearest difference is monetization model: Photon Robot at free against Osmo Coding Duo's free with in-app purchases. Osmo Coding Duo's advantage is ratings volume (145 vs 3). On price, rating, update cadence and ads 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 3.7. That said, the two scores are not equally well evidenced: Osmo Coding Duo has 145 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 4, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Photon Robot | Osmo Coding Duo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/photon-robot/id1281702820/reviews) | **[3.9 (145 ratings)](https://appshunter.io/ios/app/osmo-coding-duo/id1294444077/reviews)** |
| Number of ratings | 3 | **145** |
| Positive reviews | — | 52.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 158 MB | 309 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Photon Entertainment sp. z o.o.](https://appshunter.io/developer/1281702819) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Photon Robot

[App page](https://appshunter.io/ios/app/photon-robot/id1281702820)

This educational app allows children to program a robot companion, unlocking new abilities and senses as they complete tasks. Progress is visualized, serving as a motivational tool for learning programming concepts.

**Highlights:** Robot programming, Unlockable abilities, Skill progression, Motivational learning, Interactive companion

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Photon Robot free?

Photon Robot is free to download, with no in-app purchases.

### Is Osmo Coding Duo free?

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

### Which has better reviews, Photon Robot or Osmo Coding Duo?

Osmo Coding Duo is rated higher. Photon Robot averages 3.7 out of 5 from 3 ratings, while Osmo Coding Duo averages 3.9 from 145 ratings.

### Do Photon Robot or Osmo Coding Duo have ads?

Neither Photon Robot nor Osmo Coding Duo shows ads.

### Which is updated more often, Photon Robot or Osmo Coding Duo?

Photon Robot ships an update every 2 months, and Osmo Coding Duo every 2 months. Most recently, Photon Robot was updated on June 4, 2026 and Osmo Coding Duo on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*