六六牛APP vs Caigentan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
六六牛APP
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寓教于乐的方式 每天答题闯关听力输入 科学的学习语言规律快速提高听力
Caigentan
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Caigentan (Roots of Wisdom) is a collection of aphorisms written by Hong Yingming during the Ming Dynasty. It blends Confucian, Buddhist, and Taoist philosophy into concise, timeless reflections on life. The book contains approximately 360 passages in two parts. "If you can chew on vegetable roots, you can accomplish anything." Features: • Full original text, a clear modern rendering, and a present-day parallel for each entry • Offline Chinese narration of all 360 entries, both parts • 10-language interface (English, Chinese, Cantonese, Japanese, Korean, Vietnamese, Thai, Spanish, French) • Bookmarks, search, reading history and a night-friendly reading mode • Autoplay with a sleep timer
Screenshots
Verdict
The clearest difference is in-app purchases: 六六牛APP at none against Caigentan's 1. 六六牛APP also leads on iOS requirement (13.0 vs 15.0). Caigentan's advantage is update cadence (every 4 days vs every 21 months) and device support. On price 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. Caigentan sells 1 one-off in-app purchase. 六六牛APP asks for nothing beyond the download.
六六牛APP ships an update every 21 months, Caigentan every 4 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.
| Parameter | 六六牛APP | Caigentan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 21 months | Every 4 days — better |
| Ads | — | Yes |
| In-app purchases | No — better | Yes |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 29 MB | 167 MB |
| Age rating | 17+ | 4+ |
| Developer | Jiujiang Smooth Education Software Co., LTD | zhenyu song |
In-app purchases
六六牛APP
No in-app purchases
Caigentan
- Remove Ads$1.99
