Comparison

ZhiGe vs Memo Clock

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

Head to head
About

ZhiGe

Features
Read full description

ZhiGe is an AI-powered study tool built for students, exam candidates, and intensive learners. Upload PDFs, DOCX files, and other study materials to automatically turn them into interactive practice questions, so less time is spent organizing content and more time is spent actually learning. Whether preparing for graduate school entrance exams, law exams, medical exams, civil service exams, or daily coursework, ZhiGe helps make practice, review, and weak-point improvement more efficient. Key Features 1. Upload materials, generate questions automatically Upload PDFs, DOCX files, and other study materials to automatically generate multiple types of practice questions, including multiple choice, fill-in-the-blank, true or false, and short answer questions. Supports complex study materials, including formulas and tables. 2. Smart review, less forgetting Based on study activity and memory patterns, ZhiGe recommends what to review next. It helps identify weak areas and reduces ineffective repetition. 3. Automatic mistake collection Wrong answers are saved automatically, so there is no need to maintain a manual mistake notebook. Supports repeated practice around mistakes to strengthen weak points over time. 4. Favorites and notes Save important questions for quick review at any time. Take notes while practicing to build better understanding. 5. Clear study statistics Track answer history, accuracy, and study progress in one place. See progress more clearly and stay aware of learning patterns over time. 6. Export and flexible study use Supports exporting question sets and practice content for printing or offline study scenarios. Useful for long-term review, short-term exam preparation, and daily reinforcement. ZhiGe is designed to handle repetitive tasks like material processing, question generation, and review planning, so learners can stay focused on understanding and retention. Website: https://zhigelab.com Support Email: support@zhigelab.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zhigelab.com/privacy

About

Memo Clock

Capture and review important information efficiently with this minimalist note-taking app. Save text, handwriting, or images as memos and schedule timely reminders for review. Ideal for students preparing for exams by consolidating key points and mistakes.

Highlights
  • Capture text, handwriting, or image memos
  • Schedule review frequencies and reminders
  • Ideal for exam preparation
  • Simple and lightweight interface
  • Syncs via iCloud
Features
Read full description

Memo Clock is a memory and review application designed for learners. It is suitable for those who really want to keep their knowledge: students who are preparing for the exam, learners who want to sort out the course content, those who need to repeatedly consolidate concepts, formulas, wrong questions and vocabulary, or those who want to build their own long-term knowledge base. Many times, it is not that we don't study, but the notes are scattered in different places, the pace of review is unstable, and the content that we really forget is not found in time. What Memo Clock hopes to solve is the distance between "recording" and "really remembering". Here, you can organize your knowledge into a memo that is more suitable for review. Memo Clock will help you arrange review, review forgotten content, record the pace of learning, and provide more suitable review methods for different stages. You can be more concentrated before the exam, your daily life can be more stable, and you can also complete a little lightly in the fragment time. Memo Clock is not just a notebook or a reminder tool. It is more like a quiet study workbench: helping you store knowledge, organize reviews, check your mastery, and gradually form more sustainable learning habits. You can start from the preset database, import your own content, or share information with your classmates and friends. Whether it's a course, an exam, or a long-term learning goal, Memo Clock hopes to help you move on in a clearer and more stable way. Take down the knowledge and let it come back to you at the right time.

Screenshots

ZhiGe4 screens
Memo Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Memo Clock at none against ZhiGe's 4. ZhiGe's advantage is update cadence (every 10 days vs monthly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ZhiGe sells 4 in-app purchases, starting at $0.99 per month. Memo Clock asks for nothing beyond the download.

UpkeepUpdate frequency

ZhiGe ships an update every 10 days, Memo Clock monthly. The most recent releases landed on September 14, 2026 and September 6, 2026 respectively.

Scorecard3 real differences Β· 5 level
ZhiGe versus Memo Clock: the parameters behind the verdict, then further details
ParameterZhiGeMemo Clock
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyEvery 10 days β€” betterMonthly
AdsNoNo
In-app purchasesYesNo β€” better
Monetizationβ€”Free
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.1 β€” better17.0
Further details β€” not scored
Size42 MB13 MB
Age rating4+4+
Developerθ‰―ηŽ‰ 侯原衫 εΌ 

In-app purchases

4 purchases

ZhiGe

Subscriptions4
  • Basic Monthly$0.991 Month
  • Pro Monthly$1.991 Month
  • Basic Annual$14.991 Year
Show 1 more
  • Pro Annual$22.991 Year
None

Memo Clock

No in-app purchases

Questions

Is ZhiGe free?
ZhiGe is free to download, with in-app purchases available.
Is Memo Clock free?
Memo Clock is free to download, with no in-app purchases.
Do ZhiGe or Memo Clock have ads?
Neither ZhiGe nor Memo Clock shows ads.
Which is updated more often, ZhiGe or Memo Clock?
ZhiGe ships an update every 10 days, and Memo Clock monthly. Most recently, ZhiGe was updated on September 14, 2026 and Memo Clock on September 6, 2026.

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