# JavaScript Compiler(Pro) vs Frontend Milo

The clearest difference is price: Frontend Milo at Free against JavaScript Compiler(Pro)'s $2.99. Frontend Milo also leads on update cadence (every 4 days vs every 7 months). JavaScript Compiler(Pro)'s advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.1). On ads and device support there is nothing between them.

Frontend Milo is free to download; JavaScript Compiler(Pro) costs $2.99 up front. Frontend Milo sells 3 in-app purchases, starting at $6.99 per month. JavaScript Compiler(Pro) asks for nothing beyond the download.

JavaScript Compiler(Pro) ships an update every 7 months, Frontend Milo every 4 days. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | JavaScript Compiler(Pro) | Frontend Milo |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Size | 62 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hrishi Suthar](https://appshunter.io/developer/1660005858) | [Lei Jin](https://appshunter.io/developer/1291501757) |

## What reviewers say

### JavaScript Compiler(Pro)

[App page](https://appshunter.io/ios/app/javascript-compilerpro/id6747161212)

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

**In-app purchases:** none


### Frontend Milo

[App page](https://appshunter.io/ios/app/frontend-milo-interview-ready/id6754392148)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $6.99 | per month |
| 6 Months | $24.99 | per 6 months |
| 12 Months | $34.99 | per year |


## Frequently asked questions

### Is JavaScript Compiler(Pro) free?

JavaScript Compiler(Pro) costs $2.99, with no in-app purchases.

### Is Frontend Milo free?

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

### Do JavaScript Compiler(Pro) or Frontend Milo have ads?

Neither JavaScript Compiler(Pro) nor Frontend Milo shows ads.

### Which is updated more often, JavaScript Compiler(Pro) or Frontend Milo?

JavaScript Compiler(Pro) ships an update every 7 months, and Frontend Milo every 4 days. Most recently, JavaScript Compiler(Pro) was updated on September 19, 2026 and Frontend Milo on September 9, 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.*