Comparison

Errolux DSE數學錯題簿 vs EduPrep

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

Head to head
About

Errolux DSE數學錯題簿

Features
Read full description

Errolux – 讓每一道錯題,成為進步的線索。 Errolux 是一款專為數學學習而設的錯題整理應用程式,幫助學生有系統地記錄、分類和重溫做錯的題目。只需拍下題目、補上改正、標註錯因與主題,就可以建立屬於自己的數學錯題庫,讓複習更清晰、更有方向。 主要功能: 錯題記錄 拍照上傳題目與改正,快速建立個人錯題筆記。 錯因分類 按章節、題型和錯誤原因整理錯題,找出常見失分模式。 錯題檢索 透過主題、關鍵字和分類快速找回過往錯題,提升複習效率。 學習追蹤 記錄錯題數量、熟悉度和難度,幫助你更清楚掌握自己的學習狀態。 數學資源庫 快速查閱常用公式、定理和定義,複習時更方便。 Errolux 適合: 中學生 正在準備測驗或考試的學生 想改善數學理解與解題表現的自學者 希望有系統整理錯題與錯因的學習者 Errolux 不只是幫你儲存錯題,而是幫你看見錯誤背後的學習線索。把每一次失分變成下一次答對的起點。 立即下載 Errolux,開始建立你的數學錯題庫。 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://codomainstudyspace.com/errolux-privacy-policies/ ---------------------------- Errolux – Turn every mistake into a clearer path forward. Errolux is a math learning companion designed to help students record, organize, and review their mistakes with purpose. Capture a question, add the corrected solution, tag the topic and mistake type, and build your own structured mistake journal for smarter revision. Key Features: Mistake Logging Take photos of questions and corrected solutions to quickly create personal mistake notes. Mistake Classification Organize mistakes by topic, question type, and reason, so you can identify repeated patterns and weak areas. Fast Search and Review Find past mistakes by topic, keyword, or category to make revision more focused and efficient. Learning Progress Tracking Track your logged mistakes, difficulty, familiarity, and review progress to better understand your learning journey. Math Resource Library Quickly access useful formulas, theorems, and definitions while studying. Errolux is ideal for: Secondary school students Students preparing for quizzes, tests, and exams Self-learners who want to improve math understanding Anyone who wants a more organized way to review mistakes Errolux is more than a place to store wrong answers. It helps you understand why mistakes happen, revisit them with structure, and turn every error into your next opportunity to improve. Download Errolux today and start building your personal math mistake journal. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://codomainstudyspace.com/errolux-privacy-policies/

About

EduPrep

Features
Read full description

EduPrep is a smart supplementary practice app for students from Primary 1 to Secondary 6, covering IB, DSE, and Hong Kong Assessment frameworks. KEY FEATURES: Smart Practice Generation • AI-generated exercises tailored to your grade, subject, and curriculum • Covers English (Reading, Grammar, Writing) and Mathematics (Algebra, Geometry, Statistics) • Instant step-by-step solution explanations for every question Mock Exam Mode • Timed mock exams that simulate real test conditions • Automatic scoring with detailed performance breakdown by topic • Track your ranking and improvement over time Progress Analytics • Weekly practice frequency charts • Subject-by-subject performance tracking • Full history of all practice sessions and exam results Credits System • Purchase credits to unlock practice sets and mock exams • Flexible packages to suit individual and family needs • Credits never expire SUPPORTED CURRICULA: • IB (International Baccalaureate) • DSE (Hong Kong Diploma of Secondary Education) • Hong Kong Assessment (Primary level) SUBJECTS: • English: Reading Comprehension, Grammar, Vocabulary • Mathematics: Algebra, Geometry, Statistics, Number Theory EduPrep helps students build confidence, identify weak areas, and achieve better results — all in one app.

Screenshots

Errolux DSE數學錯題簿3 screens
EduPrep4 screens

Verdict

The call

Errolux DSE數學錯題簿 and EduPrep are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both are free to download. Errolux DSE數學錯題簿 sells 3 in-app purchases, starting at $4.99 per month and EduPrep sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Errolux DSE數學錯題簿 ships an update daily, EduPrep every 3 days. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

ScorecardNo meaningful differences
Errolux DSE數學錯題簿 versus EduPrep: the parameters behind the verdict, then further details
ParameterErrolux DSE數學錯題簿EduPrep
PriceFreeFree
Update frequencyDaily — betterEvery 3 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0.0 — better15.1
Further details — not scored
Size62 MB39 MB
Age rating4+4+
DeveloperKin Wai NGKA KIT YAU

In-app purchases

3 purchases

Errolux DSE數學錯題簿

Subscriptions2
  • Errolux Pro - Monthly Subscription$4.991 Month
  • Errolux Pro - Annual Subscription$34.991 Year
One-time1
  • Errolux Pro User$69.99
5 purchases

EduPrep

One-time5
  • Welcome offer$0.99
  • 入門包$1.99
  • 標準包$5.99
Show 2 more
  • 家庭包$9.99
  • 超值包$17.99

Questions

Is Errolux DSE數學錯題簿 free?
Errolux DSE數學錯題簿 is free to download, with in-app purchases available.
Is EduPrep free?
EduPrep is free to download, with in-app purchases available.
Do Errolux DSE數學錯題簿 or EduPrep have ads?
Neither Errolux DSE數學錯題簿 nor EduPrep shows ads.
Which is updated more often, Errolux DSE數學錯題簿 or EduPrep?
Errolux DSE數學錯題簿 ships an update daily, and EduPrep every 3 days. Most recently, Errolux DSE數學錯題簿 was updated on October 4, 2026 and EduPrep on October 3, 2026.

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