Comparison

GradeUp vs Carbon Compass

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

Head to head
About

GradeUp

This app uses AI to scan and organize homework and test papers. It can remove handwritten notes, solve math problems with step-by-step solutions, and organize incorrect answers for focused revision. It supports multiple subjects and allows exporting and printing scanned documents.

Highlights
  • AI-powered scanning
  • Handwriting removal
  • Step-by-step problem solutions
  • Organize incorrect answers
  • Multi-subject support
  • Export and print documents
Features
Read full description

The smartest app to boost your learning efficiency, streamline homework organization, and simplify exam preparation! Homework Scanner doesn't just scan your homework—it transforms it. Erase handwritten notes, get detailed answers to math problems, and organize mistakes for focused revision—all with a few taps. Parents can also benefit from this tool, making it easier to guide their children through problem-solving and homework tasks. Key Features: ◆AI-Powered Scanning - Handwriting Removal: Quickly remove handwritten content and graphics, allowing for a fresh practice sheet or study material. - Auto-edge Detection: Automatically recognizes and corrects the edges of scanned papers for perfect alignment. ◆AI Problem Solving Convenience of one-click scanning for test papers, homework, and textbooks. - Multi-Subject Support: From complex math equations to chemistry formulas, biological diagrams, and even historical dates, Homework Scanner helps you understand and solve problems across various subjects. - Step-by-Step Solutions: Learn effectively by seeing how each problem is solved in detail. ◆Organize Incorrect Answers - Erase Mistakes: Scans your test papers and automatically erases incorrect answers, allowing you to reattempt them. - Personalized Error Sets: Save your mistakes and organize them by subject for easy access and review. You can even export these sets for future practice. - Efficient Review: Organize errors in custom categories, so revising becomes more targeted and efficient. ◆Save, Export, and Print - Multiple File Formats: Export scanned papers in PDF, Word, or image formats. - Direct Printing: Connect to a printer with ease, allowing you to print out your practice sets or clean copies whenever you need. Why Choose Homework Scanner? 1. Boost Study Efficiency With Homework Scanner, you’ll be able to manage your study materials in less time and with less effort. Whether you’re organizing homework or prepping for exams, this app helps you streamline the entire process. No more flipping through disorganized notes—everything you need is neatly categorized and accessible at any time. 2. Simplify Revision and Preparation Revising for exams can be overwhelming, but Homework Scanner makes it simpler. Automatically remove handwritten content from your assignments and test papers, allowing you to start fresh and focus on what matters—practicing and improving. No more hassle of re-writing questions for practice; the app does it for you! 3. Improve Your Weak Points By organizing incorrect answers into custom sets, Homework Scanner allows you to focus on areas where you struggle the most. This targeted approach makes your study sessions more productive, helping you build confidence before exams. Download the Homework Scanner: App that Erases Handwriting now to free yourself from study stress and make exam preparation easier. About Homework Scanner Premium - Subscription Name: Homework Scanner Premium (Yearly with Trial) - Subscription Duration:1 year(7 days trial) - Subscription Description: Unlock all Premium features. • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period • The account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable • The user and auto-renewal may manage subscriptions may be turned off by going to the user's Account Settings after purchase Terms of Use: https://app-service.homeworkhelperai.com/static/user_agreement.html Privacy Policy: https://app-service.homeworkhelperai.com/static/privacy_policy.html Contact us: support@homeworkhelperai.com

About

Carbon Compass

Features
Read full description

Carbon Compass is your personal guide to building sustainable habits and fighting climate change. Complete daily tasks to earn Eco-Points and build a daily streak. Use our Carbon Footprint Calculator to understand your impact, then get personalized tips and challenges. Stay informed with daily eco-news and fun trivia. With Carbon Compass, every small action you take helps make a bigger difference.

Screenshots

GradeUp4 screens
Carbon Compass4 screens

Verdict

The call

The clearest difference is in-app purchases: Carbon Compass at none against GradeUp's 10. Carbon Compass also leads on update cadence (daily vs every 2 weeks). GradeUp's advantage is iOS requirement (15.6 vs 18.5). On price, ads and device support 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. GradeUp sells 9 in-app purchases, starting at $19.99 per year. Carbon Compass asks for nothing beyond the download.

UpkeepUpdate frequency

GradeUp ships an update every 2 weeks, Carbon Compass daily. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
GradeUp versus Carbon Compass: the parameters behind the verdict, then further details
ParameterGradeUpCarbon Compass
PriceFreeFree
Rating4.7 (245 ratings) — better—
Positive reviews80.4% of reviews—
Number of ratings245 — better—
Update frequencyEvery 2 weeksDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.5
Further details — not scored
Size151 MB17 MB
Age rating4+4+
DeveloperPIXELCELL.LIMITEDvikas mehta

In-app purchases

9 purchases

GradeUp

Subscriptions9
  • HomeworkScanner Premium7 Days trial$19.991 Year
  • HomeworkScanner Premium$19.991 Year
  • HomeworkScanner Premium3 Days trial$29.991 Year
Show 6 more
  • HomeworkScanner Premium$39.991 Year
  • HomeworkScanner Premium7 Days trial$39.991 Year
  • HomeworkScanner Premium1 Month trial$39.991 Year
  • GradeUp Premium$39.991 Year
  • GradeUp Premium7 Days trial$39.991 Year
  • GradeUp Premium1 Month trial2 variants$39.991 Year
None

Carbon Compass

No in-app purchases

Questions

Is GradeUp free?
GradeUp is free to download, with in-app purchases available.
Is Carbon Compass free?
Carbon Compass is free to download, with no in-app purchases.
Do GradeUp or Carbon Compass have ads?
Neither GradeUp nor Carbon Compass shows ads.
Which is updated more often, GradeUp or Carbon Compass?
GradeUp ships an update every 2 weeks, and Carbon Compass daily. Most recently, GradeUp was updated on November 7, 2026 and Carbon Compass on October 30, 2026.

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