Smart Level

Measure the inclination of a surface with your device.

Smart Tools co. · kr.sira.level

4.5 out of 5 (2 ratings) 1M+ downloads v1.2.6 5 MB Android 5.0+ PEGI 3 · Everyone

Download APK 5 MB All versions

Signature matches the Google Play version Details

Watch the Smart Level trailer on YouTube

At a glance

Latest version: v1.2.6 (38)
Updated: Jul 26, 2026 (2 months ago)
APK size: 5 MB
Requires: Android 5.0+ (API 21)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Jul 13, 2021 (at least)
Permissions: 8
Website: androidboy1.blogspot.com/2015/07/smart-level-v10.html
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Smart Level is an app by Smart Tools co. in the Tools category, listed since at least July 2021. It has no native code, so it runs on any Android processor.

It asks for 8 permissions, none of them sensitive. The app can read the advertising ID that ad and analytics services use.

What's new in v1.2.6

- v1.2.5a: Support for Android 12 - v1.2.4 : Minor fix, dark theme

Description

From the listing uploaded by “appupdater”.

Smart Level is in the 1st set of the Smart Tools collection. This app measures the angle or slope of an object simply and accurately. Put the back of your device against a desk, or put its short/long side on a frame. * Main features: - Surface level (bubble level) - Spirit level (clinometer) - Zero calibration - Tilt units (degree, percent, radian, roof pitch) - Lock screen - Material design * Pro version added features: - No ads - Ruler, protractor, thread pitch * Do you want more tools? download [Smart Ruler Pro] and [Smart Tools] package. For more information, watch YouTube and visit the blog. Thank you.

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 26, 2026.
Certificate issued to “Min-Kyu Ryoo” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature not checked yet Jul 26, 2026
Validated against Google Play Jul 26, 2026
Signed byCN=Min-Kyu Ryoo, L=Seoul
Signing certificate (SHA-1)EF:45:BA:CD:52:C2:58:43:70:59:84:10:9B:7A:88:3C:B7:E9:2A:81
File MD5effa9010568367728b3f883226bb03e0
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 (8)

Smart Level requests 8 permissions, none of them sensitive.

Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Prevent the device from sleeping android.permission.WAKE_LOCK
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Sensor accelerometer android.hardware.sensor.accelerometer

Smart Level APK: questions and answers

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 Smart Level 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 effa9010568367728b3f883226bb03e0.