Comparison

Quobby vs ZhiGe

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

Head to head
About

Quobby

Enhance your learning with a comprehensive study tool. Create adaptive flashcards, scan documents, take notes, track habits, and block distractions. Collaborate with friends and access community-created study materials.

Highlights
  • Spaced repetition flashcards
  • Document scanning and OCR
  • Handwritten note-taking
  • Habit tracking with streaks
  • App blocking for focus
  • Community flashcard decks
  • Real-time study challenges
Features
Read full description

Quobby is the all-in-one study companion that makes learning fun and effective. Create flashcards with spaced repetition, scan documents, take handwritten notes, build habits, block distracting apps on a schedule, and challenge friends in real-time study sessions. Flashcards & Spaced Repetition Master any subject with smart flashcards that adapt to your learning pace. Add text, images, voice recordings, and example sentences. Study with classic flip cards, multiple-choice quizzes, or typing practice. Track your mastery with clear progress stages: New, Learning, Mastered, and Relearning. Language Learning & Auto-Translation Learn vocabulary in 21+ languages with AI-powered card generation. Enable auto-translate on any deck to get instant, editable translations as you type. Add example sentences in one language and the other fills in automatically. Hear correct pronunciations with built-in text-to-speech. Smart Vocabulary Generation Generate flashcards from web sources, choose vocabulary level, and focus on specific topics with tags. Qurator, interactively learn from tutorials made by the community or create your own! Earn your keep create paid tutorials for what you teach! Community Decks Browse, download, and share flashcard decks with learners worldwide. Rate and review community decks. Publish your own with full moderation and content filtering. Document Scanner Scan textbooks, worksheets, and lecture notes. Extract text for editing and highlighting. Organise documents by category. Free users can upload files up to 10 MB; Premium users get 50 MB uploads. Documents sync to the cloud and can be re-downloaded on any device with a single tap. Handwritten Notes Create beautiful notes with pen, pencil, marker, and highlighter tools. Use templates, shapes, rulers, and themed backgrounds. Export as image or PDF. Habit Tracker Build consistent study habits with daily tracking, streaks, and calendar views. Set reminders, monitor your progress over time, and check off habits directly from your Home Screen widget. Cloud Sync & Cross-Device Access Your flashcards, documents, handwritten notes, and habits sync seamlessly across all your devices via the cloud. Open a document on your iPhone that you scanned on your iPad -- Quobby downloads it automatically. Metadata syncs even when the original file isn't on your device, so your edits are never lost. Powered by secure, per-user storage with end-to-end path isolation. Focus Timer & Scheduled Blocks Block distracting apps during study sessions with Pomodoro or Full Block mode. Schedule automatic focus blocks for specific days and times — Quobby enforces your routine in the background with system-level app blocking. Track your focus time with session history and statistics. Home Screen Widgets Add fully localised widgets to your Home Screen for streaks, due cards, habit tracking, and Quick Quiz. Widgets sync in real-time and display in your chosen language. Answer flashcards and complete habits without opening the app. Gamification & Rewards Earn XP, level up, and unlock 25+ achievements. Compete on global and friends leaderboards. Complete daily challenges for bonus rewards. Open daily prize boxes with visual previews of themes, avatars, frames, and boosts. Group Study Challenge friends in real-time study sessions with a 6-digit code. Choose Private Sessions or Classroom Quizzes with live leaderboards. Teachers can use Teacher Mode to control the quiz. Available in 7 Languages English, Chinese, French, German, Spanish, Polish, and Ukrainian. Full app and widget localisation with 1,700+ strings per language. Notifications, widgets, Live Activities, and all UI elements fully translated. Premium Features Cloud sync across devices, unlimited decks and cards, unlimited vocabulary generation, document scanning with 50 MB uploads, community deck publishing, scheduled focus blocks, profile customisation and 3 Streak Saves and 3 Streak Shields as a welcome bonus.

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

Screenshots

Quobby4 screens
ZhiGe4 screens

Verdict

The call

The clearest difference is iOS requirement: ZhiGe at 15.1 against Quobby's 17.0. On price, update cadence, ads and in-app purchases 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

Both are free to download. Quobby sells 2 in-app purchases, starting at $3.99 per month and ZhiGe sells 7 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Quobby ships an update weekly, ZhiGe every 10 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Quobby versus ZhiGe: the parameters behind the verdict, then further details
ParameterQuobbyZhiGe
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size20 MB42 MB
Age rating4+4+
Developerdenis moskalenko良玉 侯

In-app purchases

2 purchases

Quobby

Subscriptions2
  • Quobby Monthly Premium$3.991 Month
  • Quobby Yearly Premium$34.991 Year
7 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
One-time3
  • Starter Pack$0.99
  • Standard Pack$1.99
  • Pro Pack$4.99

Questions

Is Quobby free?
Quobby is free to download, with in-app purchases available.
Is ZhiGe free?
ZhiGe is free to download, with in-app purchases available.
Do Quobby or ZhiGe have ads?
Neither Quobby nor ZhiGe shows ads.
Which is updated more often, Quobby or ZhiGe?
Quobby ships an update weekly, and ZhiGe every 10 days. Most recently, Quobby was updated on October 23, 2026 and ZhiGe on October 24, 2026.

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