Software602 Signer

Signer is a premium tool for handling electronic signatures and data mailboxes.

Software602 a. s. · cz.software602.signer

Not rated yet 5K+ downloads v5.1.0 90.2 MB Android 8.0+ PEGI 3 · Everyone

Download APK 90.2 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v5.1.0 (45)
Updated: Aug 28, 2025 (1 year ago)
APK size: 90.2 MB
Requires: Android 8.0+ (API 26)
CPU support: ARM 64-bit
Category: Tools (app)
Permissions: 21 (5 sensitive)
Website: 602.cz/signer
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Software602 Signer is an app by Software602 a. s. in the Tools category. It includes native code only for ARM 64-bit, so it won't install on phones that can only run 32-bit apps.

Since version 3.7.1, the minimum Android version rose from 5.0 to 8.0. It asks for 21 permissions, 5 of them sensitive, including camera, record audio and find accounts on the device. It asks for the same permissions as version 5.0.2. The app offers in-app purchases through Google Play.

What's new in v5.1.0

- Added option to delete signature history - Improved support for the latest versions of Android - Enhanced handling of data mailboxes - Fixed use of an image from the signature profile when visualizing a signature with an HSM certificate - Fixed issue with signature visualization for signers with a title after their name - Minor user interface adjustments - Fixed other reported bugs and made additional minor improvements

Description

From the listing uploaded by “appupdater”.

Uses selected qualified SecuSign services (https://www.602.cz/secusign). Authorization of documents (PDF, PDF/A, Office 365), XML form data (FormApps) and mobile photographs with GPS coordinates with an electronic signature and time stamp. Support for qualified digital signature creation according to eIDAS with certificates stored in remote signing service (HSM), validation of qualified certificates issued within the EU. Viewing received and sent data messages in your personal as well as company data mailbox and sending new data messages with direct creation of the document to be sent.

Version history

4 versions are listed, going back to v3.7.1. Since v5.0.1 it requires Android 8.0+.

v5.1.0 LATEST Aug 28, 2025 90.2 MB TRUSTED v5.0.2 May 20, 2024 73.3 MB TRUSTED v5.0.1 Jul 27, 2023 75.5 MB TRUSTED v3.7.1 Jul 15, 2021 43.9 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 28, 2025.
Certificate issued to “Software602 a.s.” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Aug 28, 2025
Validated against Google Play Aug 28, 2025
Signed byCN=Software602, O=Software602 a.s., L=Prague, ST=Czech republic, C=CZ
Signing certificate (SHA-1)EE:95:24:B7:60:36:4F:DA:BC:DC:7E:54:4C:37:BE:FB:F1:03:ED:6E
File MD556bc9e5942f1477f6b3154cb9621da1b
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 (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (21)

Software602 Signer requests 21 permissions, 5 of them sensitive.

Camera Sensitive android.permission.CAMERA
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Authenticate accounts android.permission.AUTHENTICATE_ACCOUNTS
Control vibration android.permission.VIBRATE
Flashlight android.permission.FLASHLIGHT
Full network access android.permission.INTERNET
In-app purchases (Google Play Billing) com.android.vending.BILLING
K9 read attachment (custom) com.fsck.k9.permission.READ_ATTACHMENT
Manage accounts android.permission.MANAGE_ACCOUNTS
Nfc android.permission.NFC
Run foreground services android.permission.FOREGROUND_SERVICE
Service (custom) cz.software602.signertoken.service
Show notifications android.permission.POST_NOTIFICATIONS
Use biometric hardware android.permission.USE_BIOMETRIC
Use credentials android.permission.USE_CREDENTIALS
Use fingerprint hardware android.permission.USE_FINGERPRINT
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Microphone android.hardware.microphone
Landscape screen android.hardware.screen.landscape
Touchscreen android.hardware.touchscreen

Software602 Signer APK: questions and answers

Is there a version of Software602 Signer for older Android phones?

The current version needs Android 8.0 or later. Version 3.7.1 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 3.7.1 · 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 Software602 Signer free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Software602 Signer 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 2 other versions checked. After downloading, check that the file's MD5 is 56bc9e5942f1477f6b3154cb9621da1b.