With Bubble (spirit level) you can measure angles and inclination

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Antivirus & safety scan results

Scan Date: Apr 10, 2026 Software Version: 3.4

Status: ✅ Trusted & Safe to install This app is signed by woheller69 with trusted and verified digital signature and it will updated existing Bubble installations Certificate fingerprint: 0d8908b1135abe6a3079d0e936f8fab5d33d5478 Issuer: C:UK, CN:FDroid, L:ORG, O:fdroid.org, ST:ORG, OU:FDroid How we verify APK files security

Android antivirus Status

K7GW Clean ✅

DrWeb Clean ✅

VirIT Clean ✅

ClamAV Clean ✅

Google Clean ✅

Ikarus Clean ✅

Lionic Clean ✅

Sophos Clean ✅

Yandex Clean ✅

Alibaba Clean ✅

Tencent Clean ✅

Xcitium Clean ✅

Fortinet Clean ✅

Kingsoft Clean ✅

Symantec Clean ✅

AhnLab-V3 Clean ✅

Kaspersky Clean ✅

Microsoft Clean ✅

Trustlook Clean ✅

ESET-NOD32 Clean ✅

Avast-Mobile Clean ✅

NANO-Antivirus Clean ✅

BitDefenderFalx Clean ✅

Bubble Helping the Disabled app for Android description

With Bubble you can measure angles and inclination

Hold one of the four sides of the phone against an object or place it on a flat surface to check the orientation.

Features:

Calibrate
Show angle or inclination
Sound effects
Orientation lock

No permissions required

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Screenshots & Video

Specifications

Package Name	org.woheller69.level
Requirements	Android 4.1 (Jelly Bean API 16)
Author	woheller69
APK Size	1.3 MB
Categories	Tools, Helping the Disabled
Source Code	https://github.com/woheller69/level