INYU vs Rulvo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
INYU
This app offers an immersive language learning experience powered by AI. It focuses on communication and understanding through real-time expression refinement and personalized quizzes. Engage in deep discussions, create stories, and build your personal expression bank.
- AI-powered language learning
- Immersive communication space
- Real-time expression refinement
- Personal expression bank
- Interactive quizzes
- Storytelling and discussion modules
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INYU is dedicated to creating an immersive foreign-language space for you. Here, language learning does not begin with vocabulary and grammar—it becomes part of everyday life. A passing question, a quick note, a simulated scenario or role-play, even a deeper conversation with yourself: each can become a natural opportunity to practise a foreign language. Built around this idea, INYU brings together four modules: 1. Surlume: Everyday questions and ideas that surface in the moment become a starting point for encountering and using a foreign language. 2. Sublume: Engage in deeper conversations with AI, expressing your thoughts, ideas, and feelings in a foreign language—or simply talking about anything that interests you. Your words are met with a response, allowing each conversation to naturally become language practice and growth. 3. Theatre: Experience the joy of communicating and creating in a foreign language through simulated scenarios and role-play. 4. Alchemy: Turn the expressions you collect along the way into your own language library, then reinforce them through practice until they become a natural part of your language ability. [Contact & Feedback] • Email: feedback@inyu.space • Official WeChat: INYU_Official • Discord: https://discord.gg/AvxY6kEYq9 Privacy Policy: http://inyu.space/privacy.html Terms of Use: http://inyu.space/legal.html
Rulvo
This app helps students manage their academic life by providing tools for scheduling, focused study sessions, and exam preparation. It features countdowns, timers, and reminders to keep users on track and prepared for their academic goals.
- Exam countdowns
- Study session timers
- Daily timetable scheduling
- Reminders and alarms
- Live Activity and Home Screen widgets
- Learning history and daily summaries
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Rulvo helps students stay on schedule and walk into exams prepared. Set a countdown to your next exam, plan your study blocks, and run focused sessions with a timer that keeps you on track. Rulvo has three modes: - Schedule: follow a daily timetable with a reminder for each class period. - Study: run focused study sessions with timed breaks. - Exam: practice under timed conditions, with a countdown and alarms. Features - Exam countdown on the home screen - Editable plans for different days - Alarms and reminders that ring on time - Live Activity and Home Screen widgets to see your progress at a glance - Learning history and a daily summary you can save as an image Rulvo Pro (optional) Pro adds strict mode, custom themes, and background sounds. Pro is a one-time lifetime purchase, not a subscription. New installs include a 7-day trial of Pro features. Rulvo is available in English and Simplified Chinese.
Screenshots
Verdict
The clearest difference is rating: Rulvo at 5.0 against INYU's 4.0. INYU's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (13.0 vs 17.0). On price, ratings volume, update cadence and ads 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. INYU sells 4 in-app purchases, starting at $9.99 per month and Rulvo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Rulvo holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
INYU ships an update every 3 days, Rulvo every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | INYU | Rulvo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 3 days — better | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 92 MB | 162 MB |
| Age rating | 4+ | 9+ |
| Developer | 筠尧 吴 | 同德 郑 |
Customer experience
INYU
Rulvo
In-app purchases
INYU
- INYU GLOW Monthly1 Month trial$9.991 Month
- INYU DAWN Monthly1 Month trial$19.991 Month
- INYU GLOW Annual14 Days trial$79.991 Year
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- INYU DAWN Annual14 Days trial$159.991 Year
Rulvo
- 格律 Pro 永久解锁$5.99









