Izoler-Demo
Thermal Insulation Calculator.
Rafał Grobelny · pl.maxer.izolerfree
- Signature matches the Google Play version Details
At a glance
- Latest version
- v0.6.41 (41)
- Updated
- Aug 30, 2026 (1 month ago)
- APK size
- 7.7 MB
- Requires
- Android 6.0+ (API 23)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Apr 22, 2021 (at least)
- Permissions
- 9
- Website
- izoler.com.pl
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Izoler-Demo is an app by Rafał Grobelny in the Tools category, listed since at least April 2021. It has no native code, so it runs on any Android processor.
Since version 0.6.33, the APK grew from 6.1 MB to 7.7 MB. It asks for 9 permissions, none of them sensitive. Compared with version 0.6.38, it adds 3 new permissions (“Access adservices ad id”, “Access adservices attribution” and “Access adservices topics”) and drops 1 (“Run at startup”). The app can read the advertising ID that ad and analytics services use.
What's new in v0.6.41
Description
From the listing uploaded by “appupdater”.
Version history
4 versions are listed, going back to v0.6.33. Since v0.6.41 it requires Android 6.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Aug 30, 2026.
- Certificate issued to “Rafal” This is the certificate of the Google Play version.
- Same certificate as the 3 other versions checked
Store checks and file details
- Developer signature verified Aug 30, 2026
- Validated against Google Play Aug 30, 2026
- Signed byCN=Rafal, OU=Grobelny
- Signing certificate (SHA-1)93:77:91:DD:4D:18:57:7D:A2:5D:AA:AF:A1:E2:52:7A:67:3C:79:B2
- File MD57967c94cbf510802e7ef0a88a584c888
- 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 (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (9)
Izoler-Demo requests 9 permissions, none of them sensitive.
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Advertising ID com.google.android.gms.permission.AD_ID
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) pl.maxer.izolerfree.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run foreground services android.permission.FOREGROUND_SERVICE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
Izoler-Demo APK: questions and answers
Is there a version of Izoler-Demo for older Android phones?
The current version needs Android 6.0 or later. Version 0.6.38 is the newest listed build that installs on Android 5.0 and later. Get version 0.6.38 · 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 Izoler-Demo 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 3 other versions checked. After downloading, check that the file's MD5 is 7967c94cbf510802e7ef0a88a584c888.
