# Jupiter ACE vs Touch Lua +

The clearest difference is rating: Touch Lua + at 5.0 against Jupiter ACE's 4.0. Touch Lua + also leads on update cadence (every 5 months vs every 63 months) and review sentiment (75% vs 67%). Jupiter ACE's advantage is in-app purchases (none vs 3) and ratings volume (8 vs 2). On price and ads there is nothing between them.

Both are free to download. Touch Lua + sells 3 one-off in-app purchases. Jupiter ACE asks for nothing beyond the download.

Touch Lua + holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 67% of Jupiter ACE's written reviews are positive against 75% of Touch Lua +'s.

Jupiter ACE ships an update every 63 months, Touch Lua + every 5 months. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Jupiter ACE | Touch Lua + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (8 ratings)](https://appshunter.io/ios/app/jupiter-ace/id590389822/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/touch-lua-plus/id692368612/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 66.7% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 63 months | **Every 5 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 14 MB |
| Requires iOS | 15.0 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Memention Holding AB](https://appshunter.io/developer/286367873) | [Ahmad Hawwash](https://appshunter.io/developer/382404352) |

## What reviewers say

### Jupiter ACE

[App page](https://appshunter.io/ios/app/jupiter-ace/id590389822)

Explore the history of computing by learning the Forth programming language on a simulated 1982 home computer. This educational tool provides an authentic experience for aspiring programmers interested in retro technology.

**Highlights:** Forth programming language simulation, 1982 home computer emulation, Educational retro computing experience, Freely available source code, iPad compatible

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

**In-app purchases:** none


### Touch Lua +

[App page](https://appshunter.io/ios/app/touch-lua-plus/id692368612)

Learn and practice programming with Lua, a powerful yet lightweight scripting language. This app offers a robust editor, built-in tutorials, and support for graphics, audio, and databases through optional libraries.

**Highlights:** Lua programming environment, Built-in help and tutorials, Powerful editor with syntax highlighting, Support for graphics and audio libraries, Multi-program functionality, Sample programs included

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Library | $0.99 | one-time |
| Turtle Library | $0.99 | one-time |
| Draw Library | $4.99 | one-time |


## Frequently asked questions

### Is Jupiter ACE free?

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

### Is Touch Lua + free?

Touch Lua + is free to download, with in-app purchases available.

### Which has better reviews, Jupiter ACE or Touch Lua +?

Touch Lua + is rated higher. Jupiter ACE averages 4.0 out of 5 from 8 ratings, while Touch Lua + averages 5.0 from 2 ratings.

### Do Jupiter ACE or Touch Lua + have ads?

Neither Jupiter ACE nor Touch Lua + shows ads.

### Which is updated more often, Jupiter ACE or Touch Lua +?

Jupiter ACE ships an update every 63 months, and Touch Lua + every 5 months. Most recently, Jupiter ACE was updated on October 2, 2026 and Touch Lua + 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.*