Special Day Reminder
SMARTWHO
v3.7.1
Varies
★★★★★ 4.7
Clean APK
Trusted App
No Virus
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Download File Details
Package Name
com.smartwho.smartdday
Architecture
arm64-v8a, armeabi-v7a, x86_64
Requires Android
Android 7.0+
Version
v3.7.1
File Size
Varies
Downloads
10,000+
Last Updated
Jul 5, 2026
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
B5:85:EF:F3:25:5D:3B:97:34:E5:6A:5D:06:A5:A7:19:0E:BD:AE:1F
SHA-256 Certificate Fingerprint
Verified
3D55B919CDE9AD5127AD11515B21B1613D55B919CDE9AD5127AD11515B21B161
Certificate Owner
Verified
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
3D55B919CDE9AD5127AD11516D01DDA12901B1E93D5DB9114D692D51AF251151
File MD5 Checksum
Verified Safe
N/A
What's New
[ Version 3.7.1 ]
- New "Seamless Sky" unified design with dark mode
- Celebration confetti effects on your special D-Days
- Major design upgrade across every screen
- Improved photo attachment and image viewer
- Refined UI/UX and overall experience improvements
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 SMARTWHO'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.