Fluently
Fluently is an AI-driven English speaking practice application that simulates real conversation scenarios and provides users with instant feedback on pronunciation, grammar, vocabulary and fluency, helping intermediate and advanced English learners break through their speaking bottlenecks.
Fluently — AI English Speaking Coach
Fluently is an AI speaking coaching app for intermediate and advanced English learners. Its core design concept is to "replace boring grammar exercises with real conversations" - users do not need to memorize words or do multiple-choice questions, but directly have a free conversation with the AI tutor and receive instant correction during the speaking process. The product is aimed at user groups who already have basic English proficiency (B1 and above) but still find it difficult to speak in actual work and social situations. It provides a practice path from "being able to understand" to "dare to speak and speak accurately".
Unlike gamified learning applications such as Duolingo, Fluently does not have levels or points system, but simulates real conversation scenarios - interviews, meetings, social chats, business presentations, etc. - allowing users to naturally improve in the process of being "corrected". The AI tutor detects pronunciation deviations, grammatical errors, misnomers, and fluency issues in real time and generates a detailed assessment report after the conversation.
Core parameters and statistics
| Parameter item | Value |
|---|---|
| Product Type | AI English Speaking Practice Application |
| Online time | Q4 2025 |
| Supported platforms | iOS, Android |
| Target Language | English (for non-native speakers) |
| Core technology | Speech recognition + large language model + pronunciation evaluation engine |
| Real-time feedback dimensions | Pronunciation, grammar, vocabulary, fluency |
| User scale | About 1 million+ learners (App Store 5.2K rating, 4.8 stars) |
| Company | Fluently, Inc. |
| CEO and Co-Founder | Yurii Rebruk |
| Privacy compliance | SOC2 undisclosed, data transmission TLS encryption |
User and market recognition
Fluently has received 5,200+ ratings on the App Store, with an average of 4.8 stars, making it one of the highest-rated echelons of AI language learning apps. The user base is close to 1 million learners, mainly concentrated in non-English-speaking countries (Europe, Latin America, Asia), mainly professionals who need to communicate in English for work.
Keywords that appear frequently in user feedback include: "As natural as talking to a real person", "The feedback is very accurate", and "I finally dare to speak English." Many users mentioned that Fluently's real-time error correction mechanism is more detailed than that of a real teacher - a real teacher usually ignores small mistakes out of politeness, but the AI tutor will analyze them sentence by sentence and give specific suggestions for improvement. Negative feedback mainly focused on: occasional technical lags, delays in AI tutor response, and less consistent corrections in long conversations than expected.
The product has not disclosed corporate customer lists or financing information. The team version (Fluently for Teams) will be launched in mid-2026, providing batch management solutions for companies that need to improve their employees' English speaking skills.
Cost advantage
| Cost Dimension | Description |
|---|---|
| Free trial | Download and use, including limited AI conversation experience and basic evaluation |
| Personal subscription | ~$20/month, unlimited AI conversations + full feedback report + personalized learning plan |
| Team plan | ~$20/month/seat, management backend + progress tracking + batch account management |
| One-on-one comparison of foreign teachers | A real foreign teacher is about $30-60/hour, and the monthly fee of Fluently is equivalent to the cost of 1 hour of foreign teachers |
Quantitative deduction of cost reduction:
- Workplace English Learners: While traditional foreign teachers provide 2 hours per week (average monthly $240-480), Fluently can provide 15-30 minutes of unlimited practice per day, and the monthly fee is only 1/12 to 1/24 of the cost of a foreign teacher.
- Corporate training scenario: The annual English training budget for a team of 50 people is reduced from $144,000 (average monthly $240/person) for traditional foreign teachers to $12,000 (average monthly $20/person), a reduction of approximately 92%.
- Time efficiency: No need to make appointments, commute or wait, and the utilization of fragmented time is greatly improved.
Hidden costs: lack of non-verbal signals (body language, expressions) and cultural context guidance in real-person interactions; high reliance on AI speech recognition accuracy, which may cause misjudgments in noisy environments or when accents are heavy.
Main functions
- AI tutor free dialogue: Users can have an open dialogue with the AI tutor on any topic, and the system automatically recognizes the language level and adjusts the speaking speed and word difficulty. The AI logs common mistakes and prioritizes correcting weak areas in subsequent conversations. Topics cover daily chat, workplace communication, interview simulation, speech practice, etc.
- Real-time pronunciation correction (Sound-by-Sound): Core differentiation feature. The system locates the specific phoneme level - telling the user which vowel or consonant is pronounced incorrectly and giving a model pronunciation. It is especially useful for learners with native language backgrounds such as Chinese, Japanese, and Spanish.
- Personalized Learning Plan: When used for the first time, AI conducts a comprehensive oral proficiency assessment (pronunciation accuracy, grammatical complexity, vocabulary richness, fluency), generates a targeted practice plan, and dynamically adjusts the focus of subsequent training based on the performance of each conversation.
- Multiple scene role play (Role Play): Built-in interview simulation, business speech, social icebreaker, telephone communication, customer negotiation, etc. 20+ workplace scene templates. After the conversation, special scores will be given on the professionalism of the language, appropriate expression and communication efficiency of the scene.
- Progress Tracking and Analysis Report: Generate a complete transcript after each conversation + sentence-by-sentence error annotations + suggestions for improvement. The Dashboard displays long-term trends - fluency change curves, distribution of common error types, vocabulary growth, etc.
Model and version evolution
| Version | Release time | Main updates |
|---|---|---|
| v0.9 | ~2025-09 | Internal beta version, core dialogue + pronunciation evaluation engine verification |
| v1.0 | ~2025-12 | Officially released, with new role-playing scenarios and personalized learning plans |
| Continuous updates | 2026 | Bug fixes and experience optimization, multiple version iterations |
| Fluently for Teams | 2026-Q2 | Team version is online, batch management + progress tracking + HR reports |
The underlying model continues to be optimized, but the official has not disclosed the specific model architecture or third-party evaluation data. The direction of functional evolution focuses on improving feedback accuracy, expanding practice scenarios, and optimizing the recognition accuracy of non-native English accents.
Technical advantages
- Deep integration of speech recognition and pronunciation evaluation: The ASR module not only transcribes text, but also outputs phoneme-level timestamps and confidence levels. The pronunciation evaluation engine directly uses fine-grained information for phoneme-by-phoneme comparison, which is more accurate than post-fusion solutions.
- LLM-driven context-aware correction: Determine whether an expression is appropriate based on the context of the entire conversation. For example, "I have experience" in the interview practice will prompt to add specific project details to be more convincing.
- Progressive Difficulty Adaptation: Track the expressions and vocabulary the user has mastered, and gradually introduce more complex sentence structures and industry terms. The adaptive algorithm is based on the Bayesian knowledge tracking model.
- Device-side reasoning and low latency: Implement end-side reasoning for part of the speech processing on the mobile terminal, reducing network round-trip delay and making error correction feedback as naturally embedded as real-person conversations.
Adaptation boundary: Most suitable for intermediate and advanced learners with English level B1-C1; beginners (A0-A2) may have difficulty maintaining effective conversations due to insufficient vocabulary.
How to use
- Download App: Search "Fluently" on iOS App Store or Google Play to download.
- Quick Assessment: After opening for the first time, the AI tutor will guide you through a 3-5 minute oral assessment dialogue, and the system will automatically assess the basic level.
- Select Scenario: Select the topic you want to practice from the scenario library - free dialogue, interview simulation, business speech, etc.
- Start a conversation: Speak naturally like a real person, and the AI tutor will respond in real time and give correction tips at the appropriate time.
- View report: After the conversation, browse the sentence-by-sentence transcription, error markings and improvement suggestions.
| Entrance | Description |
|---|---|
| iOS App | App Store Search "Fluently" |
| Android App | Search "Fluently" on Google Play |
| Team Edition Web Management Backend | Browser access getfluently.app/for-teams |
Product Pricing
| Package | Price | Core Benefits |
|---|---|---|
| Free version | $0 | Basic evaluation + limited AI conversation experience |
| Personal Subscription | ~$20/month | Unlimited AI conversations, full feedback reports, personalized learning plans, all scenario templates |
| Team version | ~$20/month/person | All features of the personal version + management backend, batch accounts, progress reports, HR data analysis |
All subscriptions are automatically renewed through the App Store / Google Play. The specific price is subject to the in-app purchase page.
Application scenarios
- Workplace English Speaking Improvement: Non-native English speaking professionals improve their speaking skills through simulated meeting speeches, customer communication, interviews and other scenarios. Deduction: A junior engineer who attends English meetings three times a week can increase the frequency of active speaking from 1-2 times to 5-8 times after using it for 4 weeks. Verification method: Compare the number of active speeches in meetings and self-assessment confidence index before and after use.
- Spoken language warm-up before studying abroad/immigrating: Reduce the language stress during the cultural adaptation period through intensive conversation practice before departure. Verification method: The time when the first independent transactional communication was completed after entry.
- Corporate International Language Training: Provide batch oral training for non-native English-speaking employees, reducing costs by about 90%. Verification method: Pre- and post-test comparison of employees’ speaking ability and changes in participation in internal English meetings within the company.
- English Teacher Auxiliary Teaching Tools: As an after-school speaking homework platform, students can practice independently and submit dialogue reports. How to check: Changes in the quality of classroom interactions.
Unsuitable scenarios: introductory English learners who need systematic grammar teaching and writing training; special preparation for oral skills for standardized tests such as IELTS/TOEFL; cross-cultural communication scenarios that require real-life cultural context guidance.
Applicable people
- Intermediate and advanced English learners (B1-C1): Can understand most English content but are "stuck" or not confident when speaking.
- Non-native English-speaking employees of foreign companies/multinational companies: Daily need English for meetings, writing emails, and giving presentations.
- Corporate HR and Training Leader: Looking for scalable English speaking training solutions to replace the traditional high-cost model of foreign teachers.
- Language teachers and training institutions: Use Fluently as an after-class practice tool.
Not suitable for: learners with zero basic knowledge of English (high threshold for conversation); users who only need written English; individual users with extremely sensitive budgets.
Summary and Outlook
Fluently is based on "speaking practice", a highly differentiated and technically demanding niche in AI language learning. Through a combination of phoneme-level pronunciation feedback + scenario-based role play + adaptive learning paths, Fluently has established clear product recognition in the market. App Store 4.8 StarHub's million-level user scale shows that the product experience has been verified by the market.
Competitive advantage: Different from Duolingo's gamification path, Fluently is more like a "personal training studio with an AI speaking coach"; compared with the ChatGPT voice mode, there are essential differences in pronunciation assessment accuracy and educational dimensions (phoneme-by-phoneme feedback, error classification, progress tracking) - ChatGPT can chat with you, but will not tell you which sound is pronounced incorrectly.
Current limitations: (1) The accent bias of AI speech recognition still needs to be continuously optimized - some users with non-standard accents may be affected; (2) User retention under the subscription model is highly dependent on continuous perception progress, and maintaining user motivation during the "plateau period" is a long-term challenge; (3) The enterprise version faces competition for customers from traditional language training institutions (such as EF, Berlitz), which have deeper trust accumulation in the B2B market. Purchase/Adoption Suggestions: Individual users should try the free version for 1-2 weeks to confirm the match before subscribing. Enterprise customers recommend piloting it on a small scale (10-20 people) first, collecting usage feedback and effect data before deciding to fully promote it.
Related tools: khanmigo, quizlet
Version Info
- Official version ：Supports real-time conversations with AI tutors, pronunciation correction, personalized learning plans and progress tracking.
- Beta version ：Initial internal beta version, core dialogue engine verification. There is no official precise date yet.
User Reviews