# Simple TypeScript vs HeaderX

The clearest difference is in-app purchases: HeaderX at none against Simple TypeScript's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Simple TypeScript sells 2 in-app purchases, starting at $1.99 per month. HeaderX asks for nothing beyond the download.

Simple TypeScript ships an update fortnightly, HeaderX every 8 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Simple TypeScript | HeaderX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Size | 66 MB | 1 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [YUKI TANAIKE](https://appshunter.io/developer/478558546) | [Gyuman Kim](https://appshunter.io/developer/1120436841) |

## What reviewers say

### Simple TypeScript

[App page](https://appshunter.io/ios/app/simple-typescript/id6782952296)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Typescript Pro (Monthly) | $1.99 | per month |
| Simple TypeScript Pro (Annual) | $18.00 | per year |


### HeaderX

[App page](https://appshunter.io/ios/app/headerx/id6790552565)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simple TypeScript free?

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

### Is HeaderX free?

HeaderX is free to download, with no in-app purchases.

### Do Simple TypeScript or HeaderX have ads?

Neither Simple TypeScript nor HeaderX shows ads.

### Which is updated more often, Simple TypeScript or HeaderX?

Simple TypeScript ships an update fortnightly, and HeaderX every 8 days. Most recently, Simple TypeScript was updated on October 25, 2026 and HeaderX on October 25, 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.*