Relive the classic computing experience with a vintage scientific calculator. This app emulates a beloved 90s model, offering a nostalgic and functional tool for calculations.
2.7(3 ratings)
$4.99
Best HP alternatives: apps like HP-35
10+ similar apps compared and reviewed
4.4 avg rating
7 free apps
Updated November 2026
Looking for something like HP? 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 HP
4.8😊(287 ratings)
Free
This app is a faithful, open-source simulation of the HP-42S scientific calculator and its associated printer. It offers a complete rewrite without requiring original ROM images, allowing users to run existing programs on their devices.
What We Love
- 🚀 Faithful reproduction of HP42S
- 👍 Identical to physical calculator
- 👍 Runs all original programs
- 👍 Convenient to have on phone
- 👍 Haptic feedback on button presses
- 👍 Customizable skins
- 👍 Actively maintained and updated
Room to Improve
- 🐛 Screen not filling entire display on newer devices
- 🔇 Configurable key click sound missing
- 🔇 Lack of loud click sound feedback
4.9(79 ratings)
$9.99
This advanced scientific calculator simulates the HP-42S, offering algebraic expressions, unit conversions, and directory storage. It features a large, resizable display, time value of money functions, and 2D plotting with integral and root finding capabilities.
