Best apps like Z80CPM

10+ similar apps compared and reviewed

4.9 avg rating
8 free apps
Updated July 2026

Looking for something like Z80CPM? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Z80CPM

GO-21 SciRPN#2

GO-21 SciRPN by Steve Lidie

Strong Contender
🔧 Utilities
4.9(12 ratings)
$2.99
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This app faithfully recreates the 1975 HP-21 pocket scientific calculator, offering RPN functionality and a full suite of mathematical, trigonometric, and logarithmic functions. It features a 10-digit LED display, stack and storage registers, and a keystroke log for detailed operation tracking.