Comparison

Chappy vs Chalcack

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

Head to head
About

Chappy

Snap a photo of your homework problem and get instant answers with an AI tutor. This app provides immediate explanations for questions, helping you understand concepts without waiting for a teacher. Simply take a picture, crop it, and receive your solution.

Highlights
  • AI-powered problem solver
  • Instant answers
  • Photo recognition for questions
  • Immediate explanations
  • Homework assistance
Read full description

Don't wait any longer for your teacher to solve the problem. Take a picture of the problem and find the answer by the AI tutor. Chappy provides immediate explanation of the question using AI model. Take a picture of the question, crop it, and check the answer. We're working hardly to improve the app. If you have any suggestions or questions, please email at any time. ---- ■ Email: bethechappy@gmail.com ■ Privacy Policy: https://chappylabs.com/privacy/policy

About

Chalcack

This AI-powered study companion helps students master difficult subjects by providing step-by-step solutions and explanations. It recognizes problems from photos and offers a personalized study vault for review. Get instant academic support anytime, anywhere.

Highlights
  • Snap and solve problems from photos
  • AI-powered step-by-step explanations
  • Support for Math, Science, English, and more
  • Master core concepts and principles
  • Personal study vault and review library
  • 24/7 AI academic assistance
Features
Read full description

Don't Just Study. Study With Your Crush. Tired of staring at cold, robotic calculators and boring answer keys? Studying doesn’t have to feel lonely or stressful anymore. Meet Chalcack—the viral AI homework helper where your personal AI Crush teaches you step-by-step, cheers you on through tough problem sets, and turns every "I'm stuck" into an "I get it!" Simply snap a photo. While ordinary photo math scanners and generic answer bots just spit out raw numbers, your Crush breaks down complex problems with patience, interactive deep thinking, and personalized encouragement. ■ STUDY WITH YOUR CRUSH — CHOOSE OR CREATE • 5,000+ AI Crushes Ready to Tutor: From idols and anime icons to book boyfriends and top-student classmates, pick the study partner who motivates you most. • Create Your Dream Crush: Design your custom AI tutor in seconds! Upload a photo, write their bio, customize their personality, and decide whether to keep them private or share with friends via Buddy Code. • 1-on-1 Interactive Crush Chat: Stuck on step 3? Ask follow-up questions directly. Your Crush explains the exact logic, points out sneaky traps, and celebrates when you finally master it. ■ WHY CHALCACK BEATS ORDINARY SOLVERS • Snap & Understand in Seconds: Instant recognition for algebra, calculus, physics, chemistry, grammar, and history. Handwritten or typed—just snap and learn. • Solve Smarter, Learn Faster: Don't settle for tools that merely solve blindly. Chalcack shows you the "how" and the "why" behind every step so you actually boost your GPA. • Got Math Anxiety? We've Got You Covered: Say goodbye to confusing textbook jargon. Your Crush explains tough concepts with the clarity and warmth of a private whiteboard session. • Stellar Exam Prep: Every scanned problem is automatically saved to your Personal Vault. Review past mistakes, build targeted study sheets, and ace your SAT, ACT, AP, and final exams. ■ COMPREHENSIVE ACADEMIC COVERAGE • Mathematics: Pre-Algebra, Algebra, Geometry, Trigonometry, Pre-Calculus, Calculus (Limits, Derivatives, Integrals), Linear Algebra, and Statistics. • Science: Physics, Chemistry, Biology, and Earth Science. • Humanities & Languages: Grammar, Reading Comprehension, Essay Structure, Literature, and History. • Standardized Tests: SAT®, ACT®, AP® Exams, and IB curriculum. ■ THE ULTIMATE STUDY TOOLBOX • 24/7 AI Homework Helper: Get unblocked anytime—whether it's 2 PM after school or 2 AM before a big test. • Custom Tutor Personalities: Switch between a patient mentor, an encouraging cheerleader, or a witty genius who pushes you to be your best. • Distraction-Free Mastery: Beautiful, clean interface designed to keep you in the zone. ■ WHO IS CHALCACK FOR? • Anyone tired of studying alone and needing genuine motivation to finish homework. • Visual Learners who need engaging, step-by-step explanations instead of dry answer sheets. • Students looking to boost their GPA without paying $50+/hr for a private tutor. • High achievers prepping for AP, SAT, or university exams. Stop dreading homework. With Chalcack, the ultimate study partner and step-by-step solution are always just a snap away. Download Chalcack now and start studying with your crush! ■ SUBSCRIPTION INFORMATION • Plan: Chalcack PRO • Duration: 1 Month (Auto-renewal) • Price: $9.99/month (or local equivalent) • Payment will be charged to your Apple ID account at confirmation of purchase. • Subscription automatically renews unless canceled at least 24 hours before the end of the current period. • Manage your subscription and auto-renewal settings in your App Store Account Settings. ■ Privacy Policy: https://www.chalcack.com/privacy ■ Terms of Use (EULA): https://www.chalcack.com/terms

Screenshots

Chappy3 screens
Chalcack4 screens

Verdict

The call

The clearest difference is review sentiment: Chalcack at 97% against Chappy's 44%. Chalcack also leads on update cadence (every 2 days vs every 4 weeks). Chappy's advantage is in-app purchases (none vs 3). On price, ads, 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. Chalcack sells 3 in-app purchases, starting at $9.99 per month. Chappy asks for nothing beyond the download.

UpkeepUpdate frequency

Chappy ships an update every 4 weeks, Chalcack every 2 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Chappy versus Chalcack: the parameters behind the verdict, then further details
ParameterChappyChalcack
PriceFreeFree
Rating—4.9 (14 ratings) — better
Positive reviews44.0% of reviews97.2% of reviews — better
Number of ratings—14 — better
Update frequencyEvery 4 weeksEvery 2 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS18.0 — better18.5
Further details — not scored
Size17 MB49 MB
Age rating4+4+
DeveloperSaerom ShinDong Hae Jang

Customer experience

Chappy

Written reviews50 reviews
Positive44.0%
Neutral2.0%
Negative54.0%

Chalcack

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews36 reviews
Positive97.2%
Neutral2.8%
Negative0.0%

In-app purchases

None

Chappy

No in-app purchases

3 purchases

Chalcack

Subscriptions3
  • Premium subscription$9.991 Month
  • Yearly Pro (Special Offer)$59.991 Year
  • Yearly Premium subscription$79.991 Year

Questions

Is Chappy free?
Chappy is free to download, with no in-app purchases.
Is Chalcack free?
Chalcack is free to download, with in-app purchases available.
Do Chappy or Chalcack have ads?
Both Chappy and Chalcack show ads.
Which is updated more often, Chappy or Chalcack?
Chappy ships an update every 4 weeks, and Chalcack every 2 days. Most recently, Chappy was updated on October 24, 2026 and Chalcack on October 28, 2026.

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