MultiDeco

Technical decompression models VPM-B, VPM-B/E, VPM-B/FBO, ZHL-16B, ZHL-16C, GF.

HHS Software Corp. · com.hhssoftware.multideco

Not rated yet 10K+ downloads v2.27 1.7 MB Android 8.1+ PEGI 3 · Everyone

Download APK 1.7 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.27 (22701)
Updated: Sep 26, 2026 (14 days ago)
APK size: 1.7 MB
Requires: Android 8.1+ (API 27)
CPU support: ARM 32-bit, ARM 64-bit
Category: Productivity (app)
Listed since: May 5, 2022 (at least)
Permissions: 2
Website: multideco.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

MultiDeco is an app by HHS Software Corp. in the Productivity category, listed since at least May 2022. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 2.24, the APK shrank from 3 MB to 1.7 MB and the minimum Android version rose from 7.0 to 8.1. It asks for 2 permissions, none of them sensitive. It asks for the same permissions as version 2.26.

What's new in v2.27

Minor update

Description

From the listing uploaded by “appupdater”.

Multideco presents various decompression models in one app. Select from: VPM-B, VPM-B/E, VPM-B/FBO, ZHL-16B, ZHL-16C, GF, GFS. The diver can specify any combination of nitrox or trimix, and as many deco gases as required. Planning methods include both OC and Closed Circuit Rebreather. It includes planning for bailouts with SCR and OC legs in a CCR plan. Includes details of ppO2, END, and gas consumptions.

Version history

4 versions are listed, going back to v2.24. Since v2.25 it requires Android 8.1+.

v2.27 LATEST Sep 26, 2026 1.7 MB TRUSTED v2.26 Feb 6, 2026 4.2 MB TRUSTED v2.25 Aug 7, 2025 4.2 MB TRUSTED v2.24 Aug 8, 2024 3 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 26, 2026.
Certificate issued to “HHS Software Corp.” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Sep 26, 2026
Validated against Google Play Sep 26, 2026
Signed byCN=Ross Hemingway, O=HHS Software Corp., L=Kingston, ST=ON, C=CA
Signing certificate (SHA-1)17:A9:2C:EC:A9:CA:AC:EB:A4:0D:53:96:CC:D4:A1:D4:C5:9D:DE:35
File MD5a1b75c5162968f8051cd8c5dbcad9fa1
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 (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (2)

MultiDeco requests 2 permissions, none of them sensitive.

Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) com.hhssoftware.multideco.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Required hardware & features

Basic touch input android.hardware.faketouch

MultiDeco APK: questions and answers

Is there a version of MultiDeco for older Android phones?

The current version needs Android 8.1 or later. Version 2.24 is the newest listed build that installs on Android 7.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.24 · 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 MultiDeco 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 2 other versions checked. After downloading, check that the file's MD5 is a1b75c5162968f8051cd8c5dbcad9fa1.