# devdex — Stay sharp on your syntax

> Coding syntax practice app for JavaScript, TypeScript, and Swift. (iPhone/iPad app by Trevor Pennington.)

- Source: https://appshunter.io/ios/app/devdex/id6478421422 (this page in markdown: same URL + `.md`)
- Developer: [Trevor Pennington](https://appshunter.io/developer/1514673614)
- Category: Education, Developer Tools
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.1 · 41 MB
- Languages: English
- Released: 2025-01-15
- Data updated: 2026-06-05
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/devdex/id6478421422/reviews.md

## What is devdex?

v1.0 Features:
- JavaScript, TypeScript, Swift
- Over 200 questions
- Weekly streak tracker
- Accuracy and quantity stats
- Links to language docs

LICENSED APPLICATION END USER LICENSE AGREEMENT:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Devdex Monthly | $4.99 | per month |
| Devdex - Yearly | $34.99 | per year |



## Frequently asked questions about devdex

### What programming languages does devdex support?

devdex currently supports JavaScript, TypeScript, and Swift, offering practice questions for each.

### How many questions are available in devdex?

The app features over 200 practice questions designed to help users hone their syntax skills.

### Does devdex track user progress?

Yes, devdex includes a weekly streak tracker and provides statistics on your accuracy and the quantity of questions answered.

### Can I access language documentation through devdex?

Yes, the app provides direct links to official language documentation for JavaScript, TypeScript, and Swift, aiding in learning.

### What are the subscription options for devdex?

devdex offers a monthly subscription for $4.99 and a yearly subscription for $34.99, providing access to premium features.

### What devices is devdex compatible with?

devdex is compatible with iPhone and iPod devices, running on iOS.

### What is the age rating for devdex?

devdex has an age rating of 4+, making it suitable for a wide range of users.

### How often is devdex updated?

The app was last updated on February 2, 2025, with version 1.1, indicating active development and maintenance.

## Version history (last 2 releases)

### 1.1 — 2025-02-02

- Content update
- Styling
- Reset / change password
- Splash screen update
- Haptics

### 1.0 — 2025-01-15

No release notes.

## More apps by Trevor Pennington

- [Tagsy](https://appshunter.io/ios/app/tagsy/id1529009539)
- [Curate Coffee](https://appshunter.io/ios/app/curate-coffee/id1537267837)
- [Birdwise](https://appshunter.io/ios/app/birdwise/id6760843072)
- [Sportgoat](https://appshunter.io/ios/app/sportgoat/id6764423774)

All apps by Trevor Pennington: https://appshunter.io/developer/1514673614

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*