Comparison

Jupiter ACE vs Blumoto

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Forth programming language simulation
  • 1982 home computer emulation
  • Educational retro computing experience
  • Freely available source code
  • iPad compatible
Features
Read full description

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.

About

Blumoto

Features
Read full description

A Heathkit ET-3400 Simulator. The app simulates a Heathkit ET-3400. This was an inexpensive computer from 1977 for people to learn about computing and programming. With the app you can enter programs in machine code using the keypad and see the result on the 6 LED digits. It emulates the Motorola 6800 8 bit processor and contains the original ROM and 256 bytes of RAM

Screenshots

Jupiter ACE3 screens
Blumoto3 screens

Verdict

The call

The clearest difference is update cadence: Blumoto at every 20 months against Jupiter ACE's every 63 months. On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Jupiter ACE ships an update every 63 months, Blumoto every 20 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
Jupiter ACE versus Blumoto: the parameters behind the verdict, then further details
ParameterJupiter ACEBlumoto
PriceFreeFree
Rating4.0 (8 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings8 — better—
Update frequencyEvery 63 monthsEvery 20 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size35 MB65 MB
Age rating4+4+
DeveloperMemention Holding ABMartin Gernss

In-app purchases

None

Jupiter ACE

No in-app purchases

None

Blumoto

No in-app purchases

Questions

Is Jupiter ACE free?
Jupiter ACE is free to download, with no in-app purchases.
Is Blumoto free?
Blumoto is free to download, with no in-app purchases.
Do Jupiter ACE or Blumoto have ads?
Neither Jupiter ACE nor Blumoto shows ads.
Which is updated more often, Jupiter ACE or Blumoto?
Jupiter ACE ships an update every 63 months, and Blumoto every 20 months. Most recently, Jupiter ACE was updated on October 24, 2026 and Blumoto on October 25, 2026.

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