
Pebbles
Discover your child’s world!
Universität Zürich · ch.uzh.psychologie.weltentdecker
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.1.6 (200049)
- Updated
- Nov 24, 2025 (10 months ago)
- APK size
- 98.1 MB
- Requires
- Android 6.0+ (API 23)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Parenting (app)
- Listed since
- Oct 22, 2020 (at least)
- Permissions
- 19 (5 sensitive)
- Website
- weltentdeckerapp.ch
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Pebbles is an app by Universität Zürich in the Parenting category, listed since at least October 2020. 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 2.1.3, the APK grew from 77.5 MB to 98.1 MB. Since version 1.0.15, the minimum Android version rose from 4.4 to 6.0. It asks for 19 permissions, 5 of them sensitive, including camera, read media images and read media video. Compared with version 2.1.5, it drops 1 permission: “Google Play install referrer”.
What's new in v2.1.6
Description
From the listing uploaded by “appupdater”.
Version history
4 versions are listed, going back to v1.0.15. Since v2.1.6 it requires Android 6.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Nov 24, 2025.
- Certificate issued to “Uni Z?rich” 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 Nov 24, 2025
- Validated against Google Play Nov 24, 2025
- Signed byO=Uni Z?rich
- Signing certificate (SHA-1)D9:BC:66:7F:F1:0C:A5:66:18:C5:7E:8C:74:8E:30:8A:B2:10:6C:7E
- File MD5870c9acdb995019a20a3c1c4b49ecb47
- 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 (19)
Pebbles requests 19 permissions, 5 of them sensitive.
- Camera Sensitive android.permission.CAMERA
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read media images Sensitive android.permission.READ_MEDIA_IMAGES
- Read media video Sensitive android.permission.READ_MEDIA_VIDEO
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Access notification policy android.permission.ACCESS_NOTIFICATION_POLICY
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) ch.uzh.psychologie.weltentdecker.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
- Schedule exact alarms android.permission.SCHEDULE_EXACT_ALARM
- Show notifications android.permission.POST_NOTIFICATIONS
- Use biometric hardware android.permission.USE_BIOMETRIC
- Use fingerprint hardware android.permission.USE_FINGERPRINT
- Use full screen intent android.permission.USE_FULL_SCREEN_INTENT
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Camera android.hardware.camera
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
- Wi-Fi android.hardware.wifi
Pebbles APK: questions and answers
Is there a version of Pebbles for older Android phones?
The current version needs Android 6.0 or later. Version 2.1.5 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 2.1.5 · 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 Pebbles 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 870c9acdb995019a20a3c1c4b49ecb47.