Notan: Grade Calculator APK

Notan: Grade Calculator

Tien Do Nam
v2.19.8 Varies ★★★★★ 4.9
Clean APK
Trusted App
No Virus
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Download File Details

Package Name de.tiendonam.notan
Requires Android Android 7.0+
Architecture arm64-v8a, armeabi-v7a, x86_64
Version v2.19.8
Last Updated Jul 8, 2026
File Size Varies
Downloads 500,000+
License Free
Scan Result: Secure 0/48 malicious
No security vendors flagged this file as malicious
No Virus No Malware No Spyware

APK certificate fingerprints

Verified Official Signature (Passed com.google.android.verifier checks)
SHA-1 Certificate Fingerprint Verified
BC:35:B8:AF:B7:FD:E4:D3:E9:55:F3:39:06:41:D1:BB:87:2D:4F:A5
SHA-256 Certificate Fingerprint Verified
498D99C9F311A7311B59576131A58941998D7F1163B5175153A1B1E9C9059941
Certificate Owner Verified
CN=Tien Do Nam, O=Tien Do Nam
If the signature certificate fingerprint matches the official Google Play version, it is cryptographically impossible for the APK to have been modified, guaranteeing that this APK is completely safe to install.

File Integrity Verification

File SHA-256 Checksum Verified Safe
498D99C9F311A7311B55219909751FD1D51D03D9C1DD8541DB8901C1A311A351
File MD5 Checksum Verified Safe
N/A

What's New

Performance improvements and bug fixes

Step-by-Step Sideloading Guide

1

Enable Unknown Sources

Enable "Install Unknown Apps" in Android security settings.

2

Choose Mirror Source

Wait for the countdown to complete and choose a mirror server.

3

Complete Installation

Install the APK. For split bundles (.apks), use the APKs installer, and for .xapk, use the XAPK Installer.

Frequently Asked Questions

Yes, this APK is 100% safe. The cryptographic signature matches the official developer Tien Do Nam's certificate, guaranteeing it is unmodified and safe.

If the file is a split bundle (.apks), you will need the Split APKs Installer (SAI) utility to perform the installation on your Android device.

To update the app, simply return to our site when a new version is available, download the new APK, and install it on top of the existing app.