# Osmo Coding Duo vs NumberSparks

The clearest difference is in-app purchases: Osmo Coding Duo at none against NumberSparks's 1. Osmo Coding Duo also leads on iOS requirement (15.0 vs 18.2). NumberSparks's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. NumberSparks sells 1 one-off in-app purchase. Osmo Coding Duo asks for nothing beyond the download.

Osmo Coding Duo ships an update every 2 months, NumberSparks weekly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Osmo Coding Duo | NumberSparks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (145 ratings)](https://appshunter.io/ios/app/osmo-coding-duo/id1294444077/reviews)** | — |
| Number of ratings | **145** | — |
| Positive reviews | 52.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 309 MB | 46 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tangible Play](https://appshunter.io/developer/799157444) | [Matthew Huang](https://appshunter.io/developer/1004891039) |

## 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


### NumberSparks

[App page](https://appshunter.io/ios/app/numbersparks/id6759198494)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Osmo Coding Duo free?

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

### Is NumberSparks free?

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

### Do Osmo Coding Duo or NumberSparks have ads?

Neither Osmo Coding Duo nor NumberSparks shows ads.

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

Osmo Coding Duo ships an update every 2 months, and NumberSparks weekly. Most recently, Osmo Coding Duo was updated on October 24, 2026 and NumberSparks on October 7, 2026.

---

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