# devdex vs SwipeJS

The clearest difference is ads: devdex at none against SwipeJS's shown. SwipeJS's advantage is update cadence (every 3 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

devdex ships an update every 3 weeks, SwipeJS every 3 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | devdex | SwipeJS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/devdex/id6478421422/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 26 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Pennington](https://appshunter.io/developer/1514673614) | [GRIGORI UKRAINSKI](https://appshunter.io/developer/1805133493) |

## What reviewers say

### devdex

[App page](https://appshunter.io/ios/app/devdex/id6478421422)

This app helps developers practice coding syntax for JavaScript, TypeScript, and Swift. It offers over 200 questions, tracks your progress with a weekly streak, and provides statistics on accuracy and quantity. Links to official language documentation are also included.

**Highlights:** JavaScript, TypeScript, Swift support, Over 200 practice questions, Weekly streak tracker, Accuracy and quantity statistics, Links to language documentation

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Devdex Monthly | $4.99 | per month |
| Devdex - Yearly | $34.99 | per year |


### SwipeJS

[App page](https://appshunter.io/ios/app/swipejs-learn-javascript/id6743933557)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| React.js cards | $3.99 | one-time |


## Frequently asked questions

### Is devdex free?

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

### Is SwipeJS free?

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

### Do devdex or SwipeJS have ads?

SwipeJS shows ads; devdex does not.

### Which is updated more often, devdex or SwipeJS?

devdex ships an update every 3 weeks, and SwipeJS every 3 days. Most recently, devdex was updated on September 19, 2026 and SwipeJS on September 20, 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.*