Lengio

Spec sheet

Product

Lengio is a visual vocabulary learning app with guided lessons, word categories, flashcards, quizzes, and an AI speech partner.Read 12 Oct 2026 · lengio.app

Free plan

YesRead 19 Sep 2026 · lengio.app

Mobile apps

YesRead 19 Sep 2026 · lengio.app

Security

The privacy policy lists HTTPS/TLS for site and language-pack traffic, operating-system sandboxing and on-device encryption, access controls, and routine review of providers' security posture.Read 12 Oct 2026 · lengio.app

Support

The privacy policy directs support and privacy requests to email and says it aims to acknowledge privacy requests within five business days and resolve them within 30 days.Read 12 Oct 2026 · lengio.app

Headquarters

Chicago, Illinois, United StatesRead 28 Sep 2026 · lengio.app

Company

The privacy policy identifies the operator as Nexios Media LLC, an Illinois limited liability company trading as Lengio.Read 12 Oct 2026 · lengio.app

Account and sign-in

The site says users can start with a free account on iPhone and iPad using an emailed code, Apple, or Google sign-in.Read 12 Oct 2026 · lengio.app

AI and voice privacy

For AI chat, Lengio says its servers receive the speech-to-text result, not audio; on iOS transcription is on-device, while Android behavior depends on the device and settings.Read 12 Oct 2026 · lengio.app

AI tutor

The AI tutor supports free-form conversation in 25 languages, gives contextual grammar and word-choice feedback, adapts to the learner's level, and offers topic prompts.Read 12 Oct 2026 · lengio.app

Analytics and advertising

The app records anonymous usage events that can be switched off in Settings, and the privacy policy says it has no third-party analytics or advertising SDKs.Read 12 Oct 2026 · lengio.app

Data stored locally

Vocabulary, personal card photos, and study progress stay on the device; the privacy policy says Lengio has no account system or server-side sync of its own.Read 12 Oct 2026 · lengio.app

Games and video

Lengio Plus includes six vocabulary games; AI-generated conversation videos are available across all 25 languages.Read 12 Oct 2026 · lengio.app

Integrations and providers

The privacy policy names Apple App Store and iCloud services, Google Play and Gemini API, Cloudflare, and optional Google Image Search as service providers or integrations.Read 12 Oct 2026 · lengio.app

Language coverage

Lengio lists 25 languages and says its packs include lessons, audio, and imagery.Read 12 Oct 2026 · lengio.app

Languages offered

25Read 19 Sep 2026 · lengio.app

Learning modes

Lessons use step-by-step sequences with mini-exercises, while quizzes and flashcards include spaced repetition.Read 12 Oct 2026 · lengio.app

Mobile requirements

The app is native on iPhone and Android and requires iOS 17 or later or Android 8.0 or later.Read 12 Oct 2026 · lengio.app

Offline lessons

YesRead 19 Sep 2026 · lengio.app

Personalized review

YesRead 19 Sep 2026 · lengio.app

Speech practice

YesRead 19 Sep 2026 · lengio.app

Visuals and audio

The app provides an AI-generated image and natural-sounding audio for vocabulary entries.Read 12 Oct 2026 · lengio.app

Plans and prices

Every Lengio plan and price →

Where Specifiction places it

• Language learning apps#119 of 2788.1