Comparison

Quiz in Group vs MistakeBook

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

Head to head
About

Quiz in Group

Features
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Make and solve quizzes with your group! Leaders can auto-generate with AI. You can also have the group leader create questions in advance and invite members to solve them! And of course, leaders can play too! Leaders can instantly generate quizzes in bulk using the built-in AI! You can also copy our app's template, paste it into your favorite chat AI with a prompt like "Generate 100 questions about XXX in this format!", and then paste the results back into the app for easy bulk registration! By solving quizzes created by AI, you can easily deepen your knowledge on any topic you want to learn about! Highly recommended for anyone who wants to quickly review various quizzes for certifications, school studies, or test prep! [Easy 5-Step Guide!] 1. Create a Group: The leader creates a group. 2. Invite Members: Invite your friends using a QR code or the group name & password. 3. Post Quizzes: Members (and the leader!) post quiz questions. 4. Approve Quizzes: The leader checks and approves the submitted questions. 5. Start the Quiz: Approved quizzes can be played individually on everyone's device! [Packed with Features] 4-Choice Quizzes: The classic, easy-to-play multiple-choice format. Randomized Questions: The order changes every time, keeping it fresh and fun. Perfect for Review: Retake quizzes at lightning speed—ideal for studying, memorization, and retention. Scores & Timers: Records high scores and completion times. Leaders can view everyone's results in a list, making it great for awards and leaderboards. Quiz Analytics: Analyze your own posted quizzes to see which choices are picked the most. AI Quiz Generation: Group leaders can use the AI generation feature to instantly create batches of quizzes. Data Integration: Supports text-based import/export of quiz data. Makes backup, editing, and sharing a breeze!

About

MistakeBook

Features
Read full description

Turn Every Mistake into Personalized Practice with AI Mistake Notebook is an AI-powered learning app for students and parents. Simply take a photo of any difficult question, and AI instantly recognizes it, generates the answer and explanation, identifies the key knowledge points, and saves it to your mistake notebook or favorites. But AI does more than recognize questions. Based on each student’s mistakes, weak areas, knowledge points, difficulty levels, and preferred question types, AI automatically creates personalized practice questions with complete answers and explanations. Students can focus on the topics they struggle with, while parents can generate targeted worksheets in seconds—without searching, copying, or manually organizing questions. From AI-powered question recognition to intelligent practice generation, every mistake becomes a smarter way to improve.

Screenshots

Quiz in Group4 screens
MistakeBook4 screens

Verdict

The call

The clearest difference is ads: MistakeBook at none against Quiz in Group's shown. Quiz in Group's advantage is update cadence (every 5 days vs monthly). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Quiz in Group ships an update every 5 days, MistakeBook monthly. Both last shipped on October 19, 2026.

Scorecard2 real differences · 4 level
Quiz in Group versus MistakeBook: the parameters behind the verdict, then further details
ParameterQuiz in GroupMistakeBook
PriceFreeFree
Update frequencyEvery 5 days — betterMonthly
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.6 — better
Further details — not scored
Size31 MB36 MB
Age rating4+4+
DeveloperSatoshi Yamakawa志跃 王

In-app purchases

None

Quiz in Group

No in-app purchases

None

MistakeBook

No in-app purchases

Questions

Is Quiz in Group free?
Quiz in Group is free to download, with no in-app purchases.
Is MistakeBook free?
MistakeBook is free to download, with no in-app purchases.
Do Quiz in Group or MistakeBook have ads?
Quiz in Group shows ads; MistakeBook does not.
Which is updated more often, Quiz in Group or MistakeBook?
Quiz in Group ships an update every 5 days, and MistakeBook monthly. Most recently, Quiz in Group was updated on October 19, 2026 and MistakeBook on October 19, 2026.

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