Comparison

大眼错题本 vs Study Timer Display

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

Head to head

Minimal Clock for Learning

$1.99

📊 Productivity

No ratingsView app →

About

大眼错题本

Features

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大眼错题本——把试卷错题拍进手机：能分类管理、能标待改/已改、能导出 PDF 打印成册。本机整理更安心；需要时再用「安排」做计划打卡，把复习坚持下去。支持待改 / 已改标记、标签与归档、自定义年级与学科、笔记图片、安排（学习计划与打卡）、数据统计，并可导出 PDF 方便打印装订。【适合谁】 • 需要系统整理试卷错题的学生与家长 • 希望按学科、重要度管理错题、并偶尔打印成册的用户 • 想用简单计划与提醒坚持复习的用户【你能做什么】 • 录入：拍照或选图，裁剪编辑，补充年级、学科、重要度与描述、标签 • 年级与学科：除预设外可自定义，更贴合实际学习阶段 • 笔记图片：为错题附加多张笔记图（如知识点、解法），与题面图区分 • 安排：制定每日/每周/每年的学习安排，按时段查看与打卡，可专注计时 • 管理：列表浏览与筛选，归档收纳，随时查看详情 • 状态：「待改 / 已改」掌握状态，列表与看图时均可切换 • 统计：总览、近 7 天新增趋势、重要程度与学科、年级等分布 • 导出：生成 PDF 与任务管理，便于预览与分享打印（笔记图片不进入 PDF）【大眼会员（可选）】开通后可无广告；在 iOS 17+ 可于「我的」开启 iCloud 同步错题文字与图片。价格与续订以 App Store 支付页为准。【隐私说明】错题与图片默认保存在本机；若你开启 iCloud 同步，将在你的 iCloud 中保存副本。开屏广告由第三方广告服务提供，详见《隐私政策》。联系我们：与 App 内「我的 → 联系我们」渠道保持一致。使用条款（EULA）：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 隐私政策：https://qingdi.github.io/DionsSudoku/hooty-book-privacy_policy.html

About

Study Timer Display

Transform your device into a minimalist, distraction-free desk clock. Ideal for students and productivity environments, it helps maintain focus during study sessions and homework.

Highlights

Minimalist desk clock design
Distraction-free environment
Ideal for study sessions
Suitable for homework time
Useful for library use
Enhances productivity

Features

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Stay Focused & Study Better Turn your phone or tablet into a minimal, distraction-free desk clock designed for students. Perfect for study sessions, homework time, library use, and productivity environments.

Screenshots

大眼错题本4 screens

Study Timer Display4 screens

Verdict

The call

The clearest difference is price: 大眼错题本 at Free against Study Timer Display's $1.99. Study Timer Display's advantage is update cadence (every 4 days vs every 5 months). On ads, in-app purchases, device support and iOS requirement 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

大眼错题本 is free to download; Study Timer Display costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

大眼错题本 ships an update every 5 months, Study Timer Display every 4 days. The most recent releases landed on October 13, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 6 level

大眼错题本 versus Study Timer Display: the parameters behind the verdict, then further details
Parameter	大眼错题本	Study Timer Display
Price	Free — better	$1.99
Positive reviews	—	100.0% of reviews
Update frequency	Every 5 months	Every 4 days — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Paid
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0	13.0
Further details — not scored
Size	38 MB	19 MB
Age rating	4+	4+
Developer	自强侯	JAEMIN LEE

In-app purchases

None

大眼错题本

No in-app purchases

None

Study Timer Display

No in-app purchases

Questions

Is 大眼错题本 free?

大眼错题本 is free to download, with no in-app purchases.

Is Study Timer Display free?

Study Timer Display costs $1.99, with no in-app purchases.

Do 大眼错题本 or Study Timer Display have ads?

Neither 大眼错题本 nor Study Timer Display shows ads.

Which is updated more often, 大眼错题本 or Study Timer Display?

大眼错题本 ships an update every 5 months, and Study Timer Display every 4 days. Most recently, 大眼错题本 was updated on October 13, 2026 and Study Timer Display on September 21, 2026.