Jupiter ACE vs Touch Lua +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jupiter ACE
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.
- Forth programming language simulation
- 1982 home computer emulation
- Educational retro computing experience
- Freely available source code
- iPad compatible
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Go back in time and learn to program Forth with this Jupiter ACE on your iPad. The Jupiter ACE was a home computer released back in 1982. While all other home computers at the time used BASIC as the built in programming language, the Jupiter ACE used Forth. This emulator is built with freely available documents and source code. Project files are available on github. Jupiter ACE is trademark of Andrews UK Ltd.
Touch Lua +
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.
- 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
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Program with Lua, a simple and modern programming language. Lua’s syntax is simple as BASIC but Lua is faster and more powerful. Which make it just perfect for iPhone platform. *** This is the iPad version of TouchLua Free App *** What is Lua? Lua is a powerful, fast, lightweight, embeddable scripting language. Touch Lua + Features: + Two modes: program/console (command line) + Built in help: Tutorials (hands on), Wiki, Reference + Multi program + Powerful editor + Syntax highlighting + Support graphics, audio, and database through Extension Libraries (paid and free) + Sample programs provided Use Touch Lua +: + Learn programming + Learn modern scripting + Apply your programming skills + Rapid prototyping + Use it as advanced calculator Available through In-App Purchase: Draw Library: Empowers you to create complex graphics from simple graphic objects Features: + Draw simple graphic objects: lines, rectangles, circles, text, ... + Draw at the super speed of your device + Make animations + Define your colors with alpha channel (32bit color with transparency) + Select your drawn text font face and size + Enables you to run included Graphic Sample Programs Audio Library: enables to play music and sound effects. Features: + Play one music track at once + Play multiple sound effects synchronously + Create and play your own sounds and save them as files Turtle Library Logo like graphic commands designed to encourage logical thinking Examples are provided for absolute Beginners TouchLua+ includes other free libraries + Lua File System + Lua Database + Lua Matrix To start learning Lua choose Console from main menu then select Tutorials (first aid kit icon). Now read & apply and you will learn Lua basic’s in no time! Kindly Note: Touch Lua uses Lua 5.2 standard, so if you hit into undefined function see the alternative for it from the reference. some examples: unpack() now is table.unpack(), loadstring() is now load() Make sure to take a look at the free App’s from Hawwash-Soft
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Jupiter ACE | Touch Lua + |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 66.7% of reviews | 75.0% of reviews — better |
| Number of ratings | 8 — better | 2 |
| Update frequency | Every 63 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.0 | 7.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Memention Holding AB | Ahmad Hawwash |
Customer experience
Jupiter ACE
Touch Lua +
In-app purchases
Jupiter ACE
No in-app purchases
Touch Lua +
- Audio Library$0.99
- Turtle Library$0.99
- Draw Library$4.99








