Days

It is an application specialized only for management of remaining days.

Seiren · net.seirenes.android.afterdays

Not rated yet 100K+ downloads v3.1.0 19.5 MB Android 10+ PEGI 3 · Everyone

Download APK 19.5 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v3.1.0 (15)
Updated: Feb 12, 2026 (8 months ago)
APK size: 19.5 MB
Requires: Android 10+ (API 29)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Sep 25, 2020 (at least)
Permissions: 10 (1 sensitive)
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Days is an app by Seiren in the Tools category, listed since at least September 2020. It has no native code, so it runs on any Android processor.

Since version 2.1.2, the APK grew from 9.6 MB to 19.5 MB and the minimum Android version rose from 8.0 to 10. It asks for 10 permissions, 1 of them sensitive: read media images. Compared with version 2.1.2, it adds 2 new permissions (“Read media images” and “Run at startup”) and drops 1 (“Schedule exact alarms”). The app can read the advertising ID that ad and analytics services use.

What's new in v3.1.0

UI improvements

Description

From the listing uploaded by “appupdater”.

It is an application specialized only for management of remaining days. For example, how many days have passed since the two year contract expiration date of a smartphone, How many days after birthday, etc. Setting iteratively every year, When the remaining days are gone, we will renew the deadline automatically. * When the deadline registered is February 29 of the leap year, the automatic carry forward will be set on February 28 If you set it without repetition, When the remaining days are exhausted, it changes to the number of days elapsed. It becomes the character color of gray in elapsed days notation.

Version history

2 versions are listed, going back to v2.1.2. Since v3.1.0 it requires Android 10+.

v3.1.0 LATEST Feb 12, 2026 19.5 MB TRUSTED v2.1.2 Dec 11, 2025 9.6 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Feb 12, 2026.
Certificate issued to “S.H” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Feb 12, 2026
Validated against Google Play Feb 12, 2026
Signed byCN=S.H, ST=Tokyo, C=JP
Signing certificate (SHA-1)17:A2:47:EA:62:8F:8D:46:85:EE:C4:F8:C5:D2:8C:EF:7B:BF:54:1B
File MD50d1a6611e88a1b808f8530f24683828d
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 (10)

Days requests 10 permissions, 1 of them sensitive.

Read media images Sensitive android.permission.READ_MEDIA_IMAGES
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) net.seirenes.android.afterdays.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Days APK: questions and answers

Is there a version of Days for older Android phones?

The current version needs Android 10 or later. Version 2.1.2 is the newest listed build that installs on Android 8.0 and later. Get version 2.1.2 · 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 Days 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 0d1a6611e88a1b808f8530f24683828d.