Slang: Professional English app icon

Slang: Professional English

Learn professional English!

Lengio Corporation · com.slangapp.mobile

Not rated yet 100K+ downloads v3.3.57 74 MB Android 7.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v3.3.57 (500090)
Updated
Sep 26, 2026 (14 days ago)
APK size
74 MB
Requires
Android 7.0+ (API 24)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category
Education (app)
Listed since
Mar 22, 2021 (at least)
Permissions
36 (4 sensitive)
Website
slangapp.com
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Slang: Professional English is an app by Lengio Corporation in the Education category, listed since at least March 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 3.3.19, the APK shrank from 99.2 MB to 74 MB. It asks for 36 permissions, 4 of them sensitive, including camera, record audio and read phone status and identity. It asks for the same permissions as version 3.3.19. The app offers in-app purchases through Google Play.

What's new in v3.3.57

This release focuses on behind-the-scenes work to improve your experience with our mobile app! Don't forget to tell us what you think about the update! We always carefully analyze user feedback with the aim of integrating your suggestions into our roadmap to make your learning experience as smooth as possible.

Description

From the listing uploaded by “appupdater”.

Slang offers an unprecedented variety of comprehensive, career-specific English courses. Our adaptive English learning app optimizes your learning experience in real time, getting to know you as a learner and presenting you with the study experience you need based on how where you are in your English-learning journey. Other solutions all follow the same one-size-fits-all approach, teaching only the highest-frequency terms, covering

Version history

2 versions are listed, going back to v3.3.19.

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Sep 26, 2026.
  • Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
  • Same certificate as the other version checked

Store checks and file details

  • Developer signature verified Sep 26, 2026
  • Validated against Google Play Sep 26, 2026
  • Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
  • Signing certificate (SHA-1)BA:D9:5B:17:72:C2:EE:73:30:72:0E:DD:DA:A0:3D:B5:C1:DB:6E:2A
  • File MD5595ea7561c6565301dcc7b929bddd211
  • 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 (36)

Slang: Professional English requests 36 permissions, 4 of them sensitive.

Required hardware & features

Slang: Professional English 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 Slang: Professional English free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Slang: Professional English 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 595ea7561c6565301dcc7b929bddd211.

Tags

More Education apps