Comparison

PSA™ vs GradeChum Scanner

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

Head to head
About

PSA™

Features
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Learn on the go with the official Project Success Academy (PSA) app! Enhance your project professional skills on the go. - Access your PSA courses when it's convenient for you. - Watch your PSA course videos, review content, and test your knowledge when and where you want to. - Switch between the desktop to mobile learning experiences without losing your course progress.

About

GradeChum Scanner

Features
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GradeChum Scanner is a powerful companion app that helps educators streamline the grading process by digitizing student submissions. Simply use your mobile device to scan answer sheets, and they’ll be securely uploaded to your GradeChum account—ready for automatic grading and results generation. Whether you’re managing quizzes, exams, or paper-based activities, GradeChum Scanner makes it easy to move from manual checking to fast, accurate, and organized grading. Key Features: - Scan student answer sheets instantly using your phone - Secure upload directly to your GradeChum account - Compatible with GradeChum’s auto-grading engine - 100% free to use with monthly usage limits (no in-app purchases) - Works seamlessly with your existing GradeChum web account This app is designed for teachers and educators looking for a smarter, faster way to handle paper-based assessments. Whether you’re in a classroom or working remotely, GradeChum Scanner helps you save time and focus more on teaching. Note: A GradeChum account is required to access uploaded scans and grading features. You can sign up for free at https://app.gradechum.com/signup.

Screenshots

PSA™4 screens
GradeChum Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: GradeChum Scanner at none against PSA™'s 1. GradeChum Scanner also leads on update cadence (every 8 days vs every 6 weeks). PSA™'s advantage is device support (3 vs 1). On price, ads 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. PSA™ sells 1 one-off in-app purchase. GradeChum Scanner asks for nothing beyond the download.

UpkeepUpdate frequency

PSA™ ships an update every 6 weeks, GradeChum Scanner every 8 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 3 level
PSA™ versus GradeChum Scanner: the parameters behind the verdict, then further details
ParameterPSA™GradeChum Scanner
PriceFreeFree
Update frequencyEvery 6 weeksEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.2 — better16.4
Further details — not scored
Size104 MB54 MB
Age rating4+4+
DeveloperCorbeautechCodeChum Software Solutions Inc.

In-app purchases

1 purchases

PSA™

One-time1
  • Relationship ManagementFree
None

GradeChum Scanner

No in-app purchases

Questions

Is PSA™ free?
PSA™ is free to download, with in-app purchases available.
Is GradeChum Scanner free?
GradeChum Scanner is free to download, with no in-app purchases.
Do PSA™ or GradeChum Scanner have ads?
Neither PSA™ nor GradeChum Scanner shows ads.
Which is updated more often, PSA™ or GradeChum Scanner?
PSA™ ships an update every 6 weeks, and GradeChum Scanner every 8 days. Most recently, PSA™ was updated on September 30, 2026 and GradeChum Scanner on October 1, 2026.

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