Droid48

HP 48 lives again on Android!

Arnaud Brochard · org.ab.x48

5.0 out of 5 (1 rating) 1M+ downloads v1.78 1.4 MB Android 5.0+ PEGI 3 · Everyone

Download APK 1.4 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.78 (78)
Updated: Dec 10, 2025 (10 months ago)
APK size: 1.4 MB
Requires: Android 5.0+ (API 21)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Productivity (app)
Listed since: Oct 22, 2022 (at least)
Permissions: 1 (1 sensitive)
Website: twitter.com/shagr4th
Developer contact: [email protected]

About this APK

Droid48 is an app by Arnaud Brochard in the Productivity category, listed since at least October 2022. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 1.77, the minimum Android version rose from 4.1 to 5.0. It asks for 1 permission, 1 of them sensitive: modify shared storage. It asks for the same permissions as version 1.77.

Description

From the listing uploaded by “appupdater”.

Emulator of the HP 48 scientific calculator, using RPN. Port of the X48 project (sources available on github). HP48's "grayscale mode" cannot be emulated. Visit www.hpcalc.org for a large program collection. Cool tip: tap the HP's LCD to show/hide a simpler numeric pad !

Version history

2 versions are listed, going back to v1.77. Since v1.78 it requires Android 5.0+.

v1.78 LATEST Dec 10, 2025 1.4 MB TRUSTED v1.77 May 20, 2024 1.4 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Dec 10, 2025.
Certificate issued to “-” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Dec 10, 2025
Validated against Google Play Dec 10, 2025
Signed byCN=A Brochard, OU=-, O=-, L=-, ST=France, C=33
Signing certificate (SHA-1)16:CF:7F:D8:54:FB:8F:D9:AD:54:85:64:BD:0B:AA:CC:C9:F8:94:C2
File MD580358fca66ed5dc4cf227853263e528b
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (1)

Droid48 requests 1 permission, 1 of them sensitive.

Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE

Required hardware & features

Basic touch input android.hardware.faketouch

Droid48 APK: questions and answers

Is there a version of Droid48 for older Android phones?

The current version needs Android 5.0 or later. Version 1.77 is the newest listed build that installs on Android 4.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 1.77 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Droid48 APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 80358fca66ed5dc4cf227853263e528b.