Leo icon

Phone

Leo

Books & Reference LEO GmbH ⭐ 4.21 10,000,000+

LEO online dictionaries, vocabulary trainer and forums.

Version 1.0.83 128.0 MB

Screenshots

No screenshots available yet.

Permissions Explained 14 permissions requested View details

This app requests 14 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
Common Internet access android.permission.INTERNET Allows the app to open network connections and communicate with online services. Commonly used for streaming, syncing, login, ads, analytics, downloads, cloud features, and app updates. Common permission. Review the app’s behavior if it does not appear to need online access.
Common View network status android.permission.ACCESS_NETWORK_STATE Allows the app to check whether the device is connected to Wi-Fi, mobile data, or another network. Often used to avoid loading content when offline or to adjust loading based on connection quality. Generally low risk by itself.
ℹ️ Review Access Wifi State android.permission.ACCESS_WIFI_STATE 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 Send notifications android.permission.POST_NOTIFICATIONS Allows the app to send notifications to the device. Used for alerts, reminders, messages, account activity, updates, or media controls. Review notification settings if the app sends too many alerts.
ℹ️ Review Keep device awake android.permission.WAKE_LOCK Allows the app to prevent the device from sleeping while a task is running. Used for media playback, downloads, navigation, alarms, calls, or long-running background tasks. Review battery usage if the app keeps the device awake too often.
ℹ️ Review C2dm Permission Receive com.google.android.c2dm.permission.RECEIVE 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 Ru Projectfirst Leo Build1 Permission C2d Message ru.projectfirst.leo.build1.permission.C2D_MESSAGE 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 Finsky Permission Bind Get Install Referrer Service com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE 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 Access Adservices Ad Id android.permission.ACCESS_ADSERVICES_AD_ID 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 Access Adservices Attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION 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 Access Adservices Topics android.permission.ACCESS_ADSERVICES_TOPICS 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 Foreground Service android.permission.FOREGROUND_SERVICE 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 Ru Projectfirst Leo Build1 Dynamic Receiver Not Exported Permission ru.projectfirst.leo.build1.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION 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 Vending Billing com.android.vending.BILLING 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 Leo

LEO online dictionaries, vocabulary trainer and forums.

What Leo Is Used For

Leo appears to be a reference and language-learning app for looking up words and practicing vocabulary. Based on the metadata, it combines online dictionaries with a vocabulary trainer and forum access, so people may use it when translating terms, checking meanings, or reviewing language study material on a phone.

Because it is categorized under Books & Reference and uses network permissions such as internet and network state access, Leo seems to depend on an online connection for dictionary content and related features. The notification permission and background-related permissions may support alerts or ongoing app services, while the billing permission suggests the app may include some paid features or account-based functions. Overall, it looks suited to everyday lookup and study rather than offline reading or media use.

Common uses

  • Look up words and translations in online dictionaries
  • Review vocabulary with a built-in trainer
  • Use it as a quick reference app while studying or reading
  • Access forums related to language or word usage
  • Work mainly on a phone when you need a fast lookup tool
  • Expect online connectivity for core dictionary features
  • May include account or paid feature options
Best for:
Language learners Quick word lookup Vocabulary practice Reference on the go Phone users

App Details

Package:
ru.projectfirst.leo.build1
Developer:
LEO GmbH
Version:
1.0.83
Contains Ads:
No
In-App Purchases:
No

Official Listing

  • Package name: ru.projectfirst.leo.build1

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How to Download Leo

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.