RAIO icon

Phone

RAIO

Lifestyle Kale Anders ⭐ 3.50 50,000+
Version 1.16.8 Everyone

Screenshots

RAIO screenshot
RAIO screenshot
RAIO screenshot
RAIO screenshot
Permissions Explained 6 permissions requested View details

This app requests 6 permissions. The table below explains what each permission may allow and what users should review before installing.

Status Permission What it means Why it may be used User safety note
ℹ️ Review View Network Connections view network connections This is an Android permission or app-specific permission requested by the app. The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration. Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review Full Network Access full network access This is an Android permission or app-specific permission requested by the app. The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration. Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review Run At Startup run at startup This is an Android permission or app-specific permission requested by the app. The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration. Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review Control Vibration control vibration This is an Android permission or app-specific permission requested by the app. The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration. Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review Prevent Device From Sleeping prevent device from sleeping This is an Android permission or app-specific permission requested by the app. The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration. Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review Read Google Service Configuration read Google service configuration This is an Android permission or app-specific permission requested by the app. The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration. Review this permission before installing, especially if it does not match the app’s expected purpose.

About RAIO

RAIO is a mobile application where users can learn languages by studying sentences using the spaced repetition algorithm. - Users can mine their own phrases - Users can choose the time and hour to study

What RAIO Is Used For

RAIO appears to be a language-learning app for studying sentences on a phone. Based on the metadata, it focuses on sentence-based practice rather than broad classroom-style lessons, and it uses spaced repetition to help users review phrases over time. That makes it most relevant for people who want to build vocabulary, review example sentences, or practice language material in short study sessions.

The app also seems to support users creating or saving their own phrases, which may be useful for personalized study lists or reviewing expressions from daily use. The ability to choose a study time and hour suggests it is designed around scheduled practice and routine learning. Permissions such as network access, startup behavior, and preventing sleep may support syncing, reminders, or background study features, though the exact implementation is not fully described in the metadata.

Common uses

  • Study language sentences using spaced repetition.
  • Review phrases on a schedule that fits your routine.
  • Create or mine your own phrases for custom practice.
  • Use it as a mobile-first language study tool on a phone.
  • Support short, repeated learning sessions instead of long lessons.
  • May suit learners who prefer sentence-based memorization.
  • Network access and startup permissions may support background features or syncing.
Best for:
language learners sentence practice daily study routine phone app self-paced learning

App Details

Package:
com.raio.app
Category:
Lifestyle
Developer:
Kale Anders
Version:
1.16.8
Updated:
Feb 18, 2026
Min Android:
7.0
Age Rating:
Everyone
Contains Ads:
No
In-App Purchases:
Yes

Official Listing

  • Official listing available on Google Play
  • Package name: com.raio.app
  • Age rating: Everyone

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How to Download RAIO

If this app is not hosted directly on APKApps official link, then for the safest and most up-to-date version, install it from its official Google Play listing.