Comparison

四化飞星 vs 666书友会国际版

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

四化飞星

Zi Wei Dou Shu Charting App

About

四化飞星

Features

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This professional ziweidoushu charting app comes with functions such as dual chart system, flying stars line indicators, palace swapping, heaven stem rearrangement, DIY chart, landscape mode, time assistant, fengshui helpers using compass, etc.

About

666书友会国际版

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666书友会国际版——创业者的终身学习平台 666书友会是一款专为热爱阅读的朋友们打造的APP，它致力于为用户精选并解读优质书籍，同时还提供了一系列精心设计的精品好课。这款应用汇聚了来自各行各业的知名导师，他们将以解书人的身份，分享自己在个人成长、能力提升以及自我突破等方面的宝贵经验。通过666书友会，每一位书友都能在成长的道路上得到有益的指导，避免走不必要的弯路。我们致力于让阅读变得更加轻松愉快，同时也为创业者提供了有力的支持和帮助，让他们的创业之路更加顺畅无阻。

Screenshots

四化飞星4 screens

666书友会国际版4 screens

Verdict

The call

The clearest difference is price: 666书友会国际版 at Free against 四化飞星's $59.99. 666书友会国际版 also leads on iOS requirement (13.0 vs 15). 四化飞星's advantage is in-app purchases (none vs 9) and ads (none vs shown). On update cadence and device support 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

CostPrice · In-app purchases · Ads · Monetization

666书友会国际版 is free to download; 四化飞星 costs $59.99 up front. 666书友会国际版 sells 9 one-off in-app purchases. 四化飞星 asks for nothing beyond the download.

UpkeepUpdate frequency

四化飞星 ships an update every 5 weeks, 666书友会国际版 every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 3 level

四化飞星 versus 666书友会国际版: the parameters behind the verdict, then further details
Parameter	四化飞星	666书友会国际版
Price	$59.99	Free — better
Positive reviews	50.0% of reviews	—
Update frequency	Every 5 weeks — better	Every 2 months
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15	13.0 — better
Further details — not scored
Size	10 MB	71 MB
Age rating	4+	17+
Developer	Hoong Wei Chin	Hainan Huidu Technology Co.,Ltd.

In-app purchases

None

四化飞星

No in-app purchases

9 purchases

666书友会国际版

One-time9

1书豆$1.49
1.5书豆$2.19
4.5书豆$6.49

Show 6 more

9.5书豆$13.90
28书豆$40.00
56书豆$80.00
95书豆$136.99
143书豆$204.99
553书豆$790.00

Questions

Is 四化飞星 free?

四化飞星 costs $59.99, with no in-app purchases.

Is 666书友会国际版 free?

666书友会国际版 is free to download, with in-app purchases available.

Do 四化飞星 or 666书友会国际版 have ads?

666书友会国际版 shows ads; 四化飞星 does not.

Which is updated more often, 四化飞星 or 666书友会国际版?

四化飞星 ships an update every 5 weeks, and 666书友会国际版 every 2 months. Most recently, 四化飞星 was updated on November 2, 2026 and 666书友会国际版 on November 4, 2026.