One vs ConTutor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One
Effortlessly convert spoken words into text and translate them into over 100 languages. This app simplifies communication by offering voice input, text translation, and speech synthesis, making it convenient and labor-saving.
- Voice-to-text conversion
- Multilingual translation
- Speech synthesis
- Supports over 100 languages
- Effortless voice input
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Convenient and effortless: Touch the area where you want to enter text, press the button, and then say what you want to say, we will automatically convert it into text for you, no need to manually enter it, which is convenient and labor-saving. Barrier-free communication: In addition to voice input, we also provide translation services that can be converted into any language you set. Multilingual support: We provide speech recognition, text translation and speech synthesis services in more than 100 languages, covering most people in the world.
ConTutor
This app facilitates language learning through real-time bilingual translation and AI-powered oral practice. It automatically accumulates vocabulary and provides customized scenarios to improve speaking skills and confidence in everyday conversations.
- Real-time bilingual translation
- Intelligent vocabulary notebook
- AI scenario-based oral practice
- Automatic vocabulary accumulation
- Customized learning content
- Full-loop learning design
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ConTutor is an intelligent app designed for language learning and oral proficiency improvement. Once you connect your device with ConTutor, you can complete the full learning process of "translation, accumulation, practice, and reinforcement" in real conversations, making every word you speak more valuable. With Contutor real-time bilingual translation, the system can quickly identify speech and output accurate translations, helping you understand and express yourself instantly during communication. Using the contutor intelligent vocabulary notebook, the app automatically accumulates high-frequency words and common expressions. Combined with ConTutor AI scenario-based oral practice, it generates exclusive content that fits daily scene dialogue situations, continuously improving your listening and speaking skills as well as your confidence in expression based on your personalized learning content. Open Contutor right now, and turn every casual conversation into an effective language learning moment. • ConTutor real-time speech recognition, no waiting for accurate translation during interactions • ConTutor automatic vocabulary collection, no manual notes needed to build your exclusive learning library • contutor customized scenario practice, adapting to learners at different levels for steady progress • ConTutor full-loop learning design, completely covering the learning path from input to output
Screenshots
Verdict
The clearest difference is review sentiment: ConTutor at 60% against One's 14%. ConTutor also leads on rating (3.8 vs 2.3) and in-app purchases (none vs 10). One's advantage is ratings volume (189 vs 17). 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. One sells 10 one-off in-app purchases. ConTutor asks for nothing beyond the download.
ConTutor holds the better App Store score, 3.8 against 2.3. That said, the two scores are not equally well evidenced: One has 189 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 14% of One's written reviews are positive against 60% of ConTutor's.
One ships an update monthly, ConTutor every 2 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.
| Parameter | One | ConTutor |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (189 ratings) | 3.8 (17 ratings) — better |
| Positive reviews | 13.7% of reviews | 60.0% of reviews — better |
| Number of ratings | 189 — better | 17 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 218 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou zhidou Technology Co., Ltd. | Shenzhen Audiovisual Future Technology Co., Ltd |
Customer experience
One
ConTutor
Bugs and requests
One
Reported bugs
3 issues- Device not authorized
- App crashes after updates
- Bluetooth connectivity problems
Requested features
3 requests- More language options
- Customizable voice options
- Improved conversation mode
ConTutor
Not enough reviews yet to summarise bugs or requests.
In-app purchases
One
- Bluetooth stick (1 year)$4.99
- Offline package 1 year$6.99
- Bluetooth stick (2 years)$9.99
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- Offline package 2 year$9.99
- Call translation (60 minutes)$9.99
- Basic Services (1 year)$24.99
- Basic Services (2 years)$39.99
- Video call duration 10 hours$49.99
- Call translation (600 minutes)$69.99
- Video call duration 1 month$79.99
ConTutor
No in-app purchases







