Superfluent Review (2025): Best AI Language Coach for Intermediate & Advanced Learners
Discover in our Superfluent Review an AI-powered mobile app (iOS & Android) built for learners who’ve outgrown beginner apps. Instead of streaks and fill-in-the-blank drills, it gives you real conversational practice, a measurable Fluency Score, and continuous feedback so you can move from A2/B1 → B2/C1 and speak confidently in the real world.
What Is Superfluent?
Unlike beginner-focused apps, Superfluent targets intermediate and advanced learners who’ve hit a plateau. Its goal is true conversational fluency, not memorizing your first hundred words. The app measures how you actually speak, shows where you’re stuck, and guides you to improve with targeted feedback.
How It Works
-
Pick a scenario & chat – Practice weekend plans, a doctor’s visit, work small talk, and more.
-
AI evaluates your speaking – After a single conversation, Superfluent assigns a Fluency Score.
-
Metrics that matter – It tracks reaction time, reply speed, quality/complexity, and other signals.
-
Endless feedback loop – You get feedback on every reply, every conversation, and every day so short sessions actually stick.
Key Features
-
Conversational Practice in hundreds of “language islands” (real-life situations).
-
Fluency Score with actionable metrics (reaction speed, complexity, words per minute, etc.).
-
Metrics as Motivation – gamified around measurable fluency, not coins or streaks.
-
Level-Aware Coaching – focuses you on 1–2 key metrics at a time, increasing complexity as you grow.
-
Daily Personalized Feedback on what to fix and how to say it better next time.
-
Built for A2/B1 → B2/C1 learners who want spontaneous, natural speech.
Superfluent Pricing (2025)
| Plan | Price | Best For | Key Features |
|---|---|---|---|
| Free | $0 / month | Learners testing the app or practicing casually | Core conversational practice, Fluency Score after conversations, daily feedback loop (with limits). |
| Pro | $14.99 / month | Intermediate & advanced learners aiming for fluency | Unlimited chats, unlimited feedback, unlimited tutor questions; full access to scenarios and progress tracking. |
As of right now Superfluent has a 7 days free trial and 25% discount if you upgrade to the Pro version whilst using the free trial.
Note: Superfluent is a mobile app (App Store & Google Play), not a web app.
Best For
-
Learners stuck after beginner apps (Duolingo, etc.)
-
Students or professionals who need spontaneous, real-world speaking
-
A2/B1 users targeting B2/C1 proficiency with measurable progress
Pros & Cons
✅ Pros
-
Conversation-first training that mirrors real life
-
Clear, numeric Fluency Score and targeted coaching
-
Feedback on every reply and conversation
-
Strong free tier; affordable Pro with unlimited usage
-
iOS and Android availability
❌ Cons
-
Not designed for absolute beginners
-
No desktop/web version
-
Speaking-focused practice may require a quiet environment
FAQs
Is Superfluent good for beginners?
It’s built for intermediate and advanced learners. Beginners should start elsewhere, then switch when ready to speak more freely.
How is it different from Duolingo-style apps?
Instead of streaks and fill-in-the-blank drills, Superfluent optimizes for conversational fluency, measured by a Fluency Score and real feedback.
What languages and scenarios are available?
Superfluent organizes practice into real-world “language islands” (coffee shop, office small talk, doctor visit, etc.) to build situational fluency.
Do I need Pro to improve?
The free plan is very capable. Pro adds unlimited chats, feedback, and tutor questions for heavy users.
Where do I get it?
Download on the App Store or Google Play (search “Superfluent”).