# Osmo Coding Jam vs Starkli

The clearest difference is in-app purchases: Osmo Coding Jam at none against Starkli's 9. Osmo Coding Jam also leads on ads (none vs shown). Starkli's advantage is rating (4.5 vs 4.2) and chart position (#152 vs unranked). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Starkli sells 9 one-off in-app purchases. Osmo Coding Jam asks for nothing beyond the download.

Starkli holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 272 and 591 respectively. Written reviews point the same way: 68% of Osmo Coding Jam's written reviews are positive against 73% of Starkli's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Osmo Coding Jam | Starkli |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (272 ratings)](https://appshunter.io/ios/app/osmo-coding-jam/id1188022582/reviews) | **[4.5 (591 ratings)](https://appshunter.io/ios/app/starkli-music-sandbox/id6738660972/reviews)** |
| Number of ratings | 272 | **591** |
| Positive reviews | 68.3% of reviews | **73.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#152** |
| Size | 395 MB | 86 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Tangible Play](https://appshunter.io/developer/799157444) | [HYOCT GAMES LLC](https://appshunter.io/developer/1713935225) |

## What reviewers say

### Osmo Coding Jam

[App page](https://appshunter.io/ios/app/osmo-coding-jam/id1188022582)

This app allows children to create original music by arranging physical coding blocks into patterns and sequences. It offers over 300 musical sounds and enables kids to record and share their compositions with others. It's a STEAM-based experience that teaches coding fundamentals through music.

**Highlights:** Create music with physical coding blocks, Compose original tunes, Over 300 musical sounds, Record and share music, Learn coding fundamentals, Develop rhythm and melody skills

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and enjoyable gameplay
- 🎶 Great for learning coding and music
- 🤩 Inspiring and creative tool
- ✨ Amazing app experience
- 👍 Works well on older iPads

**What reviewers complain about**

- 🐛 Incompatible with current iPads
- 🐛 App not working after updates
- 🐛 Crashing issues
- 🐛 Glitches and errors
- 🐛 Does not recognize tiles

**Reported bugs**

- Not compatible with current generation of iPads
- App does not work after returning from a trip
- App crashes on opening
- Cannot play on iPad 10
- Glitches when coding a song

**Requested features**

- Add more characters
- Add a trade character feature
- Add more updates
- Add a feature to create own musical characters
- Add engineer feature


### Starkli

[App page](https://appshunter.io/ios/app/starkli-music-sandbox/id6738660972)

**Currently charting:** #152 Top Grossing · Music (US App Store)

Create and edit unique musical scenes with customizable characters in a sandbox environment. Design your own stories with animated dialogs and share your creations with a vibrant community.

**Highlights:** Create music scenes, Customize character appearance, Animate characters, Design custom dialogs, Use phase maps or upload own, Share creations online

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EXTRA Horror | $1.99 | one-time |
| Extra Phase 3 | $1.99 | one-time |
| Extra Phase 4 | $1.99 | one-time |
| Dandy Pass | $2.99 | one-time |
| Starkli Babies Pass | $2.99 | one-time |
| Phase 5 Pass | $2.99 | one-time |
| RETAKE Pass | $2.99 | one-time |
| Starkli Studio PRO | $3.99 | one-time |
| Starkli Studio Ultimate | $9.99 | one-time |

**What reviewers like**

- 👍 Good game
- 🎨 Awesome movements and phases
- ❤️ Charming and awesome

**What reviewers complain about**

- 💰 Too many in-app purchases
- 🔒 Editing features locked behind pro
- 🤖 Unresponsive buttons and no help
- 🗣️ Characters not speaking
- 📺 Lots of ads

**Reported bugs**

- Characters out of sync
- Crashing issues
- Pro feature not working

**Requested features**

- Save button
- No ads update
- More unlockable characters
- Story mode
- Custom dialogue


## Frequently asked questions

### Is Osmo Coding Jam free?

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

### Is Starkli free?

Starkli is free to download, with in-app purchases available.

### Which has better reviews, Osmo Coding Jam or Starkli?

Starkli is rated higher. Osmo Coding Jam averages 4.2 out of 5 from 272 ratings, while Starkli averages 4.5 from 591 ratings.

### Do Osmo Coding Jam or Starkli have ads?

Starkli shows ads; Osmo Coding Jam does not.

### Which is updated more often, Osmo Coding Jam or Starkli?

Osmo Coding Jam ships an update every 2 months, and Starkli every 2 months. Most recently, Osmo Coding Jam was updated on October 12, 2026 and Starkli on October 16, 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.*