# Codable vs JavaScript Challenge

The clearest difference is chart position: JavaScript Challenge at #192 against Codable's unranked. JavaScript Challenge also leads on iOS requirement (15.0 vs 26). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Codable sells 2 in-app purchases, starting at $4.99 per month and JavaScript Challenge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on September 12, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Codable | JavaScript Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/codable-code-challenges/id6787467242/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Freemium | — |
| Best chart rank | — | **#192** |
| Size | 3 MB | 13 MB |
| Requires iOS | 26 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intrepid Reality, LLC](https://appshunter.io/developer/1755278398) | [MUSTAFA GURBUZ](https://appshunter.io/developer/1777685795) |

## What reviewers say

### Codable

[App page](https://appshunter.io/ios/app/codable-code-challenges/id6787467242)

Master programming by solving focused coding challenges in ten popular languages. Build real fluency through daily practice, from fundamental concepts to advanced topics like concurrency and memory management. Suitable for beginners and experienced developers alike.

**Highlights:** Solve coding challenges in 10 languages, Practice data structures and algorithms, Master concurrency and memory management, Build fluency with daily focused practice, Suitable for all skill levels, Switch between programming languages

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Codable Pro | $4.99 | per month |
| Codable Pro | $29.99 | per year |


### JavaScript Challenge

[App page](https://appshunter.io/ios/app/javascript-challenge/id6808905700)

**Currently charting:** #192 Top Grossing · Developer Tools (US App Store)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Path | $6.99 | one-time |


## Frequently asked questions

### Is Codable free?

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

### Is JavaScript Challenge free?

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

### Do Codable or JavaScript Challenge have ads?

Neither Codable nor JavaScript Challenge shows ads.

### Which is updated more often, Codable or JavaScript Challenge?

Codable ships an update every 4 days, and JavaScript Challenge every 4 days. Most recently, Codable was updated on September 12, 2026 and JavaScript Challenge on September 17, 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.*