Chart standing · US
Not currently charting in this storefront.
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
Aug 26, 2026
Price change
2.99 USD → Free
Price & rating history · US
Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.
Price · USD
Screenshots
About
1.程序设计简单实用，题库内容全面齐全，下载后不联网也能学习。 2.答对题将自动进入下一题，答错会提示正确答案，并自动记录到我的错题里。 3.我的错题设计高效有用，可先看题想想可能的答案，在选择答案，可以加深对错题的记忆。 4.题库和书上是一摸一样的，只是排序不一样，例如初级工选择加判断一共843道题，保证一题不多一题不少。 5.题库量巨大，本人已仔细核对答案，如有错题，麻烦您截图或复制错题发给我，微信和QQ都是289299681，邮箱289299681@qq.com,本人会马上处理并感谢您的帮助。
What's new · 1.7
修改一个错题
Details
Developertao dong
ReleasedDec 2016
UpdatedMar 2017
Version1.7
Size14.1 MB
RequiresiOS 8.0 or later
Age rating4+
LanguagesEnglish
PriceFree
Categories
Bundle IDcom.www.chaiyou