AR海中奇迹 vs Rulvo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AR海中奇迹
This app uses AR technology to teach children about naval vessels. It allows users to explore detailed 3D models, understand their structures and principles, and engage in virtual combat scenarios. It aims to spark curiosity and foster a love for science and history.
- AR-powered 4D panoramic reconstruction
- Detailed 3D ship models
- Interactive dissection and analysis
- Virtual combat scenarios
- Ship manufacturing principles and history
- Five-sense interaction
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“海中奇迹”是一款运用AR（增强现实）技术进行科普的渗透式科普教育产品。本产品使用4D全景还原技术将各种舰艇完全分解，向孩子展示舰艇的结构和原理，为孩子打开舰艇世界的大门，建筑炫酷的舰艇秘密基地！点击图标，即可通过指尖的触碰对各种炫酷舰艇进行全方位调控、剖视、解析，从而深入场景，感受超级舰艇的五感交互，激发孩子探索科学的欲望。 此应用通过AR及三维实时渲染等技术，将精确复原的3D舰艇模型与实景空间相融合，使屏幕上立体的舰艇跃然于科学图书之上，也可脱卡使用，趣味合影，体验更多视角。 炫酷舰艇战斗场景，通过舰艇虚拟射击对战，感受不同舰艇的作战方式。消灭敌舰，实现孩子的英雄梦。 进入超级舰艇基地，便可了解舰艇的制造原理和历史背景，让孩子成为小小军事家！
Rulvo
This app helps students manage their academic life by providing tools for scheduling, focused study sessions, and exam preparation. It offers countdown timers, customizable plans, and progress tracking to ensure users are ready for their exams.
- Exam countdown timer
- Daily timetable scheduling
- Focused study sessions with breaks
- Timed exam practice mode
- 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 update cadence: Rulvo at every 4 days against AR海中奇迹's every 7 months. AR海中奇迹's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (9.0 vs 17.0). On price, rating, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for AR海中奇迹 against 5.0 for Rulvo. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
AR海中奇迹 ships an update every 7 months, Rulvo every 4 days. The most recent releases landed on October 4, 2026 and October 21, 2026 respectively.
| Parameter | AR海中奇迹 | Rulvo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 7 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 555 MB | 267 MB |
| Age rating | 4+ | 9+ |
| Developer | Chang Chun Cinergie Cultural Industry Co., Ltd. | 同德 郑 |
Customer experience
AR海中奇迹
Rulvo
In-app purchases
AR海中奇迹
No in-app purchases
Rulvo
No in-app purchases
