
I-Spy Initial Sounds - UK
Identify initial sounds as a precursor to reading.
Yellow Door Ltd · com.yellowdoor.literacy.ispysingleuk
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.4.1 (10401)
- Updated
- Sep 9, 2026 (29 days ago)
- APK size
- 19 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- Any (no native code)
- Category
- Education (app)
- Listed since
- Jul 11, 2021 (at least)
- Permissions
- 2
- Website
- yellow-door.net
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
I-Spy Initial Sounds - UK is an app by Yellow Door Ltd in the Education category, listed since at least July 2021. It has no native code, so it runs on any Android processor.
Since version 1.2.2, the minimum Android version rose from 5.1 to 7.0. It asks for 2 permissions, none of them sensitive.
What's new in v1.4.1
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v1.2.2. Since v1.4.0 it requires Android 7.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Sep 9, 2026.
- Certificate issued to “Yellow Door” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature not checked yet Sep 9, 2026
- Validated against Google Play Sep 9, 2026
- Signed byCN=Ross Hanney, OU=Unknown, O=Yellow Door, L=Cambridge, ST=Cambridgeshire, C=UK
- Signing certificate (SHA-1)53:7D:5A:1B:CE:59:69:2A:E8:64:02:D3:F6:69:88:F9:2C:BC:03:A9
- File MD568501fe2870d312750734fc4f5bfe50d
- 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. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (2)
I-Spy Initial Sounds - UK requests 2 permissions, none of them sensitive.
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) com.yellowdoor.literacy.ispysingleuk.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Required hardware & features
- Basic touch input android.hardware.faketouch
- Landscape screen android.hardware.screen.landscape
I-Spy Initial Sounds - UK 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 I-Spy Initial Sounds - UK APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Unknown. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 68501fe2870d312750734fc4f5bfe50d.