# Pocket Universe Classic vs JavaScript Compiler(Pro)

The clearest difference is price: Pocket Universe Classic at Free against JavaScript Compiler(Pro)'s $2.99. JavaScript Compiler(Pro)'s advantage is update cadence (every 7 months vs every 164 months) and device support. On in-app purchases and iOS requirement there is nothing between them.

Pocket Universe Classic is free to download; JavaScript Compiler(Pro) costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pocket Universe Classic ships an update every 164 months, JavaScript Compiler(Pro) every 7 months. The most recent releases landed on September 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Pocket Universe Classic | JavaScript Compiler(Pro) |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.0 (13 ratings)](https://appshunter.io/ios/app/pocket-universe-classic/id567184849/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 164 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 194 MB | 62 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [John Kennedy](https://appshunter.io/developer/284943103) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### Pocket Universe Classic

[App page](https://appshunter.io/ios/app/pocket-universe-classic/id567184849)

Explore the cosmos with this classic astronomy application. It offers a straightforward way to view celestial bodies and learn about space. Designed for users who prefer a no-frills, original experience.

**Highlights:** Classic astronomy interface, View celestial bodies, Learn about space, Original user experience

**In-app purchases:** none


### JavaScript Compiler(Pro)

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Pocket Universe Classic free?

Pocket Universe Classic is free to download, with no in-app purchases.

### Is JavaScript Compiler(Pro) free?

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

### Which is updated more often, Pocket Universe Classic or JavaScript Compiler(Pro)?

Pocket Universe Classic ships an update every 164 months, and JavaScript Compiler(Pro) every 7 months. Most recently, Pocket Universe Classic was updated on September 23, 2026 and JavaScript Compiler(Pro) on October 5, 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.*