FluentFlow vs Lune AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FluentFlow
Master new languages through interactive lessons, vocabulary flashcards, and realistic AI-powered conversations. Get instant feedback on grammar and phrasing to speak like a local.
- AI conversation practice
- Interactive lessons
- Vocabulary flashcards
- Real-time feedback
- Slang and expressions
- Multiple languages
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Learn how to speak like a local with FluentFlow. Our three-step process makes language learning simple and effective: Flashcards – Build your vocabulary with thousands of flashcards designed to teach real slang and everyday expressions. Lessons – Master structure and usage with hundreds of interactive lessons. AI Practice – Put it all together in realistic conversations with AI calls and chats, complete with instant grammar and phrasing feedback. - Why FluentFlow? FluentFlow combines vocabulary, lessons, and authentic practice into one seamless system. Every interaction is tailored to your goals, helping you grow faster and more confidently than with traditional apps. Whether preparing for travel, work, or daily conversation, FluentFlow gives you the tools to speak naturally in any setting. - Languages Available English, Spanish, German, French, Italian, Portuguese, Hindi, Arabic, Russian, Polish, Japanese, Korean, Mandarin Chinese, Vietnamese, Dutch, Indonesian, Turkish, Swedish, Norwegian, and Danish. Terms of Use – www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy – www.fluentflow.ai/privacy
Lune AI
Master a new language with AI-powered tools. Engage in conversations, create flashcards, play games, and read AI-generated stories to enhance your learning journey. Offers guided chat-style learning and translation quizzes.
- AI-powered learning
- Custom AI flashcards
- AI-generated stories
- Conversational practice with AI
- Pronunciation guidance
- Translation quizzes
- Vocabulary tracking
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Start your journey to learning that language you always wanted to learn. We use AI to keep you on track and keep you engaged and always learning. Features: - Track vocab you are learning in a language - Create your own AI generated flashcards - View common 500 flashcards in each language - Hold conversations in multiple languages with AI - Play matching games with learned vocab - Learn how to pronounce vocab - Read stories generated by AI with an emphasis on learning your language - Learn with a chat style guided learning - Participate in a translation quizzes Mastering a new language has never been more intuitive or enjoyable. Join a community of learners and embark on a linguistic adventure that's as unique as you are. Features within the app require a subscription. When you purchase a subscription, please be aware of the following: - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Find Our Terms of Use : https://lunelearning.com/terms-of-service Privacy Policy : https://lunelearning.com/privacy-policy
Screenshots
Verdict
The clearest difference is ads: FluentFlow at none against Lune AI's shown. FluentFlow also leads on rating (5.0 vs 4.5) and review sentiment (100% vs 80%). Lune AI's advantage is update cadence (daily vs every 10 days) and ratings volume (43 vs 10). On price, in-app purchases, monetization model and device support 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. FluentFlow sells 2 in-app purchases, starting at $6.99 per month and Lune AI sells 2 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.
FluentFlow holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 10 and 43 respectively. Written reviews point the same way: 100% of FluentFlow's written reviews are positive against 80% of Lune AI's.
FluentFlow ships an update every 10 days, Lune AI daily. The most recent releases landed on June 1, 2026 and June 3, 2026 respectively.
| Parameter | FluentFlow | Lune AI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | 4.5 (43 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 10 | 43 — better |
| Update frequency | Every 10 days | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 37 MB |
| Age rating | 12+ | 17+ |
| Developer | Ryan Grenadier | Lune Digital LLC |
Customer experience
FluentFlow
Lune AI
In-app purchases
FluentFlow
- Premium$6.991 Month
- Silver Package$6.99
Lune AI
- Lune Premium Monthly3 Days trial$17.991 Month
- Lune Premium Yearly3 Days trial$159.991 Year









