ToptiCalc – Optics Calculator
ToptiCalc offers often used calculations from different areas of laser optics.
atkinsmedia · de.atkinsmedia.topticalc
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.0.3 (30)
- Updated
- Sep 18, 2025 (1 year ago)
- APK size
- 3 MB
- Requires
- Android 8.0+ (API 26)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Dec 25, 2022 (at least)
- Permissions
- 1
- Website
- toptica.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
ToptiCalc – Optics Calculator is an app by atkinsmedia in the Tools category, listed since at least December 2022. It has no native code, so it runs on any Android processor.
Since version 2.0.1, the APK grew from 1.7 MB to 3 MB. It asks for 1 permission, none of them sensitive.
What's new in v2.0.3
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to v2.0.1.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Sep 18, 2025.
- Certificate issued to “ATKINSMEDIA Systems” This is the certificate of the Google Play version.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Sep 18, 2025
- Validated against Google Play Sep 18, 2025
- Signed byCN=Colin Atkins, OU=Tech, O=ATKINSMEDIA Systems, L=Augustdorf, ST=NRW, C=DE
- Signing certificate (SHA-1)3B:8B:46:3A:7E:C5:DF:35:08:EF:5E:F5:40:52:D1:B8:B2:FB:2E:46
- File MD503087d2b49e664b0df36300a4270281f
- 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 (1)
ToptiCalc – Optics Calculator requests 1 permission, none of them sensitive.
- Internal broadcast protection (app-defined) de.atkinsmedia.topticalc.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Required hardware & features
- Basic touch input android.hardware.faketouch
ToptiCalc – Optics Calculator 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 ToptiCalc – Optics Calculator 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 03087d2b49e664b0df36300a4270281f.
