Comparison

BasicClassForJ3:中3基礎クイズ vs Thinkzo

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

Head to head
About

BasicClassForJ3:中3基礎クイズ

Features
Read full description

中学3年生の学習内容をクイズ形式で手軽に復習できます。 1回につき10問、ちょっとした待ち時間にピッタリです。 社会(歴史・公民)・理科・英語の3教科。 わかりやすい解説付き。

About

Thinkzo

Instantly solve homework problems by taking a photo. Get step-by-step explanations, generate practice questions, and receive instant AI grading with feedback. Supports multiple languages and subjects for students of all levels.

Highlights
  • AI-powered photo problem solver
  • Step-by-step solution explanations
  • Generate custom practice questions
  • Instant homework grading and feedback
  • Multi-language support
  • Privacy editor for sensitive information
  • Bookmark and save solutions
Features
Read full description

Struggling with homework? Thinkzo turns your camera into an AI-powered tutor — snap a photo of any problem, get a clear step-by-step solution, generate new practice questions based on your uploaded problem, and even grade completed homework instantly. See exactly how to solve it, not just the answer. HOW IT WORKS Take a photo of your homework question Crop it and erase any private details AI analyses it — results arrive in seconds Read the step-by-step explanation in your language FEATURES SNAP ANY PROBLEM Point your camera at any homework question — math equations, algebra, geometry, chemistry, physics, science, and more. Thinkzo auto-detects the subject and grade level for you. STEP-BY-STEP AI SOLUTIONS See every step of the solution, not just the final answer. Toggle between Simple mode for quick answers and Detailed mode for a full concept walkthrough with an AI confidence score. GENERATE PRACTICE QUESTIONS Turn any solved problem into more practice. Thinkzo generates new questions based on the problem you uploaded, and you can choose the difficulty level to practice the same concept step by step. HOMEWORK GRADING & AI FEEDBACK Upload completed homework and let Thinkzo review it instantly. Get AI-powered grading, mistake detection, feedback, and improvement suggestions to understand where you went wrong and how to improve. BUILT-IN PRIVACY EDITOR Crop and erase personal information — your name, class number — before the image is analysed. Your privacy is protected before anything leaves your device. BOOKMARK YOUR SOLUTIONS Save solutions you want to revisit. Build a personal revision library for exams and tests. EVERY SUBJECT COVERED Math, algebra, geometry, physics, chemistry, biology, language arts, and more — subject and grade level are detected automatically. TRULY GLOBAL — 11 LANGUAGES The full app UI and all AI solutions are available in: English, German, French, Spanish, Portuguese (Brazil), Chinese Simplified, Chinese Traditional, Japanese, Hindi, Indonesian, and Malay. HISTORY & HOMEWORK LOG All your past submissions are saved with a thumbnail, subject tag, grade level, date, and live status — so you can always find and review previous solutions. SECURE SIGN-IN Sign in with Apple or Google in one tap, or register with email. Tokens are stored securely on-device. LIGHT, DARK & SYSTEM THEME Comfortable to use any time of day. PERFECT FOR • Students from primary school through university • Students checking homework before submitting • Students who want more practice questions from their homework problems • Parents helping children understand assignments • Teachers and tutors needing quick AI-assisted grading • Any curriculum, any country • Anyone who wants to learn how to solve problems, not just copy answers Stop guessing. Start understanding. Download Thinkzo now. Terms of Use (EULA): https://thinkzo.wubuut.com/thinkzo/terms/

Screenshots

BasicClassForJ3:中3基礎クイズ4 screens
Thinkzo4 screens

Verdict

The call

The clearest difference is in-app purchases: BasicClassForJ3:中3基礎クイズ at none against Thinkzo's 2. Thinkzo's advantage is ads (none vs shown) and update cadence (every 11 days vs every 2 months). On price 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. Thinkzo sells 2 in-app purchases, starting at $2.99 per month. BasicClassForJ3:中3基礎クイズ asks for nothing beyond the download.

UpkeepUpdate frequency

BasicClassForJ3:中3基礎クイズ ships an update every 2 months, Thinkzo every 11 days. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

Scorecard5 real differences · 4 level
BasicClassForJ3:中3基礎クイズ versus Thinkzo: the parameters behind the verdict, then further details
ParameterBasicClassForJ3:中3基礎クイズThinkzo
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 11 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.513.0 — better
Further details — not scored
Size4 MB46 MB
Age rating4+4+
DeveloperAyako AsayamaGang Wu

In-app purchases

None

BasicClassForJ3:中3基礎クイズ

No in-app purchases

2 purchases

Thinkzo

Subscriptions2
  • Premium Monthly$2.991 Month
  • Premium Annual$29.991 Year

Questions

Is BasicClassForJ3:中3基礎クイズ free?
BasicClassForJ3:中3基礎クイズ is free to download, with no in-app purchases.
Is Thinkzo free?
Thinkzo is free to download, with in-app purchases available.
Do BasicClassForJ3:中3基礎クイズ or Thinkzo have ads?
BasicClassForJ3:中3基礎クイズ shows ads; Thinkzo does not.
Which is updated more often, BasicClassForJ3:中3基礎クイズ or Thinkzo?
BasicClassForJ3:中3基礎クイズ ships an update every 2 months, and Thinkzo every 11 days. Most recently, BasicClassForJ3:中3基礎クイズ was updated on September 10, 2026 and Thinkzo on September 11, 2026.

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