LingoTail vs Riffluent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LingoTail
This app helps you learn English by creating personalized AI flashcards from any word or phrase. It integrates with videos, books, and audiobooks to enrich your vocabulary with real-life usage examples and spaced repetition for long-term retention.
- AI-powered flashcard creation
- Video and subtitle integration
- Vocabulary saving from media
- Adapted reading content
- Spaced repetition system (SRS)
- Personalized vocabulary decks
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Turn words you discover into vocabulary you remember. LingoTail is your personal vocabulary builder, dictionary, and flashcard app. Save words and phrases from books, videos, conversations, or everyday life. AI adds meanings, translations, and examples, so you can focus on understanding and remembering them. Learn with words that matter to you, in the language you choose. • SAVE WORDS AND PHRASES Type or paste a word or phrase and save it with a tap. Build a personal dictionary around what you read, watch, hear, and want to learn. • LET AI ADD THE CONTEXT Get clear definitions, translations, and example sentences automatically. Understand what a word means and how to use it without creating every flashcard by hand. • LEARN THROUGH EXAMPLES Explore example sentences with translations. Watch video examples when available to see how words and phrases are used in context. Listen to pronunciation as you learn. • REMEMBER WITH SPACED REPETITION Review your vocabulary with simple flashcards. Tap to reveal the meaning and swipe to mark a word as reviewed. Spaced repetition brings words back at scheduled intervals to help you remember them over time. • ORGANIZE YOUR VOCABULARY Keep words together in collections: a book you’re reading, phrases for travel, vocabulary for work, or anything else you want to explore. Search your saved words whenever you need them. • CHOOSE YOUR LANGUAGES Choose the language you’re learning and the language you want for translations. Build your vocabulary beyond English. Whether you’re learning a language, reading in another language, or collecting useful expressions, LingoTail keeps your words and your practice together. Find a word. Save it. Make it part of your vocabulary. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lingotail.com/privacy
Riffluent
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Riffluent trains your English listening with real YouTube videos. Instead of slow, scripted textbook audio, you practice with real people speaking at real speed. Videos play via the official YouTube embedded player. How you train - Daily session: hand-picked sentences worth learning, refreshed every day - Listen to one sentence at natural speed, then fill in the words you hear - Stuck? Get a first-letter hint — or let the answer reveal itself - Every completed sentence becomes a review card with a translation - In Loop, repeat a clip until it truly sticks See your consistency - Set a daily goal, track completed sentences and streaks - Look back on a calendar of your learning and watch your level grow No sign-up required — start right away. Video playback uses the YouTube embedded player and is subject to the YouTube Terms of Service. YouTube is a trademark of Google LLC.
Screenshots
Verdict
The clearest difference is in-app purchases: Riffluent at none against LingoTail's 6. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. LingoTail sells 6 in-app purchases, starting at $1.99 per 7 days. Riffluent asks for nothing beyond the download.
| Parameter | LingoTail | Riffluent |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 63 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Boris Verigin | Byeonghan Baek |
In-app purchases
LingoTail
- LingoTail Premium – Weekly$1.997 Days
- LingoTail Premium – Monthly$8.991 Month
- LingoTail Premium – Yearly7 Days trial$69.991 Year
- Coin Pack — 100 Coins$0.99
- Coin Pack — 500 Coins$1.99
- Coin Pack — 1000 Coins$2.99
Riffluent
No in-app purchases








