
Building Start
Better buildings by sharing information; such a simple solution.
Building Start · com.buildingstart.hemlock
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.11.2 (575)
- Updated
- Sep 23, 2026 (15 days ago)
- APK size
- 10.1 MB
- Requires
- Android 10+ (API 29)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Business (app)
- Listed since
- Jun 13, 2021 (at least)
- Permissions
- 19 (5 sensitive)
- Website
- buildingstart.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Building Start is an app by Building Start in the Business category, listed since at least June 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 2.9.3, the APK grew from 5.1 MB to 10.1 MB and the minimum Android version rose from 4.1 to 10. It asks for 19 permissions, 5 of them sensitive, including camera, approximate location and read shared storage. It asks for the same permissions as version 2.11.1. The app can read the advertising ID that ad and analytics services use.
What's new in v2.11.2
Description
From the listing uploaded by “appupdater”.
Version history
6 versions are listed, going back to v2.9.3. Since v2.10.9 it requires Android 10+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Sep 23, 2026.
- Certificate issued to “BuildingStart” This is the certificate of the Google Play version.
- Same certificate as the 5 other versions checked
Store checks and file details
- Developer signature verified Sep 23, 2026
- Validated against Google Play Sep 23, 2026
- Signed byCN=Matthew Galligan, OU=BuildingStart, O=BuildingStart, L=Minneapolis, ST=MN, C=US
- Signing certificate (SHA-1)4E:70:F4:6B:DC:24:16:02:D4:7C:C6:E6:21:53:EC:2F:AF:19:E6:18
- File MD576ca92b092188cf737304c06e0a16e09
- 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 (5 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (19)
Building Start requests 19 permissions, 5 of them sensitive.
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
- Camera Sensitive android.permission.CAMERA
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Advertising ID com.google.android.gms.permission.AD_ID
- Bluetooth android.permission.BLUETOOTH
- Bluetooth admin android.permission.BLUETOOTH_ADMIN
- Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
- 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) com.buildingstart.hemlock.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Bluetooth android.hardware.bluetooth
- Basic touch input android.hardware.faketouch
- Location android.hardware.location
- Wi-Fi android.hardware.wifi
Building Start APK: questions and answers
Is there a version of Building Start for older Android phones?
The current version needs Android 10 or later. Version 2.9.4 is the newest listed build that installs on Android 4.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.9.4 · 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 Building Start 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 5 other versions checked. After downloading, check that the file's MD5 is 76ca92b092188cf737304c06e0a16e09.