RAIO App
Kale Anders Education iPhoneiPadiPod touch
RAIO App is a free Education app for iPhone and iPad by Kale Anders. Rated 2.7/5 from 42 ratings. Requires iOS 15.0. Updated February 19, 2026.
- Rating
- 2.7
- 42 ratings
- Price
- Free
- on the App Store
- Size
- 88 MB
- Age 4+
- Updated
- Feb 19
- 2026 · v1.16.8
Screenshots
About RAIO App
RAIO is a language learning mobile app that allows language learners to review sentences using the power of spaced repetition technology. With RAIO, learners can effortlessly learn grammar and vocabulary at the same time, without having to study complex grammar rules or do boring grammar drills. The app is designed to help learners stop forgetting and getting stuck in conversations having to translate in their as much as they would when learning with traditional method. The app’s sentence-based approach is another key feature that sets RAIO apart from traditional language learning methods. Rather than teaching using isolated vocabulary words or abstract grammar rules, RAIO uses real-life sentences that are commonly used in everyday conversations. This approach allows learners to acquire vocabulary and grammar in context, which enhances their understanding of the language and improves their ability to communicate effectively. Spaced repetition, the underlying technology of RAIO’s language learning app, is a technique used by professional language learners and polyglots to acquire languages faster and with less effort. This method of learning is based on the principle of spacing out the review of previously learned material to optimize long-term retention. By scheduling review sessions based on the user’s progress and difficulty level, RAIO’s spaced repetition technology allows learners to remember words and grammar structures better and for longer periods of time, leading to a faster and more effective language learning experience, regardless of which proficiency level they start with. Another benefit of using RAIO is that learners can slowly start to think in the language. By reviewing sentences in context and focusing on the meaning rather than the individual words or rules, learners can internalize the language and start to think in it. This improves their ability to communicate effectively and increases their fluency in the language. In summary, RAIO is an innovative mobile app that revolutionizes language learning with its spaced repetition technology and sentence-based approach. The app’s features, such as its review system, audio recordings, translations in multiple languages, personalized progress reports, and gamification features, enhance the learning experience and provide learners with motivation and a sense of accomplishment. By using RAIO, learners can effortlessly learn grammar and vocabulary, stop forgetting as much, stop getting stuck in conversations having to translate in their head as much, and slowly start to think in the language. Terms of Use: https://kaleanders.com/raio-app-terms
Ratings & reviews
2.7
42 ratings
What’s new
Version 1.16.8 · Updated February 19, 2026
-Performance improvements -Improved animation showing the current level -Fixed Facebook login issue on iOS
App privacy
The developer, Kale Anders, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Financial Info: Payment Info
- Location: Precise Location
- Contact Info: Email Address, Name
- Identifiers: User ID
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- Other Data: Other Data Types
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Email Address, Name
- Location: Precise Location
- Identifiers: User ID
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- Other Data: Other Data Types
- Financial Info: Payment Info
Used for: Developer’s Advertising or Marketing, Analytics, App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| RAIO App | 2.7 / 5 (42 ratings) | Free | February 19, 2026 | |
| TalkOn AI:AI Language Learning | 4.8 / 5 (620) | Free | Apr 9, 2026 | Compare |
| tellem: Personal English Tutor | 4.8 / 5 (486) | Free | Sep 28, 2026 | Compare |
| Singit: Learn & Speak English | 4.9 / 5 (1,595) | Free | Sep 23, 2026 | Compare |
| Tempo: Slow English | 4.8 / 5 (1,519) | Free | Sep 27, 2026 | Compare |
| Inglés Fácil - Francisco Ochoa | 4.9 / 5 (2,648) | Free | Aug 22, 2026 | Compare |
| Talklet: Speak English | 4.7 / 5 (6,051) | Free | Sep 25, 2026 | Compare |
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