Jupiter ACE vs PockEmul
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.
PockEmul
This app emulates vintage pocket computers and scientific calculators from the late 70s and 80s. It offers a wide range of fully emulated models, adapting to different screen sizes for use on iPhones and iPads. Access all functionalities and models with a single subscription fee.
- Emulates vintage pocket computers
- Emulates scientific calculators
- Supports iPhone and iPad
- Wide range of emulated models
- Adaptive screen size behavior
- Subscription for full access
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PockEmul is an emulator of vintage pocket computers and scientific calculators from late 70s' to end 80s'. It adapts its behavior depending on the screen size. it is usable both on iPhone and iPad. PockEmul comes with 8 models fully emulated: - The scientific calculator HP-35, HP41C (HP41CX model), HP-48GX, FX 8000G, TI 57. - The pocket computer Sharp PC 1245, Sharp PC 1350, Sharp PC 1500 and Tandy PC-2. A single subscription fee give access to all functionalities and emulated models. Current available models are : - Casio PB-100, PB-300 - Casio PB-1000, PB-1000C - Casio PB-2000C, AI-1000 - Casio VX-3, VX-4, FX-870p - Casio FX-890p, Z-1, Z-1GR - Casio FP-200, FP-200Jap - Casio FX-9000p - Sharp PC-1211 Simulator - Sharp PC 1250, PC 1251, PC 1251H, PC 1255 - Sharp PC 1260, PC 1261, PC 1262 - Sharp PC-1280, PC-1280Jap - Sharp PC 1360, PC 2500 - Sharp PC 1401, PC 1402, PC 1403, PC 1403H, PC 1421, PC 1445 - Sharp PC-1425, PC-1425Jap, PC-1450, PC-1450Jap, PC-1475, PC-1475Jap - Sharp PC 1500, PC 1500jap, PC 1500A, PC 1501,CE 150 - Sharp PC 1600, CE 1600p - Sharp PC-E500, PC-E500jap, PC-E500-BL, PC-E550, PC-E500S, PC-U6000, PC-E220, PC-G850V - Sharp Printer CE-126P - HP 41C Printer (non-HP-IL) 82143A - HP 71b - HP-335, HP-10c, HP 11c, HP 12c, HP 15c and HP 16c which are RPN calculators. - TI-74, TI-95, CC-40, TI-42, TI-55 and TI-58 calculators. PC-100 Printer - Nec PC-2001, General LBC-1100, Sanco TPC-8300, National JR-800, Canon X-07, Epson HX-20 - Elektronika MK-85 , MK-85M , MK-90 - Panasonic HHC Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Jupiter ACE at none against PockEmul's 4. PockEmul's advantage is update cadence (monthly vs every 63 months) and rating (4.2 vs 4.0). On price, ratings volume, ads 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
Both are free to download. PockEmul sells 4 in-app purchases, starting at $1.49 per month. Jupiter ACE asks for nothing beyond the download.
PockEmul holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 8 and 15 respectively. Written reviews point the same way: 67% of Jupiter ACE's written reviews are positive against 77% of PockEmul's.
Jupiter ACE ships an update every 63 months, PockEmul monthly. Both last shipped on October 24, 2026.
| Parameter | Jupiter ACE | PockEmul |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) | 4.2 (15 ratings) — better |
| Positive reviews | 66.7% of reviews | 76.9% of reviews — better |
| Number of ratings | 8 | 15 — better |
| Update frequency | Every 63 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 35 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Memention Holding AB | Myrio Conseils |
Customer experience
Jupiter ACE
PockEmul
In-app purchases
Jupiter ACE
No in-app purchases
PockEmul
- Monthly Subscription3 Days trial$1.491 Month
- Monthly Subscription$2.991 Month
- Monthly Subs. First year offer1 Year trial$2.991 Month
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- Yearly Subscription1 Year trial$23.991 Year
