Comparison

Grayd for HAC vs GPAce

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

Head to head
About

Grayd for HAC

This app streamlines academic life by providing easy access to schedules, grades, assignments, and teacher information from your Home Access Center. It offers features like dynamic day schedules, recent assignment views, and a comprehensive calendar with attendance updates. Premium features include grade prediction and detailed GPA analysis.

Highlights
  • HAC data retrieval
  • Dynamic day schedule
  • Recent assignment tracking
  • Course information
  • Calendar with attendance
  • Grade prediction
  • GPA analysis
Features
Read full description

Dive into Grayd's stunning user interface with countless features that will improve your daily academic life. Grayd supports most HAC districts. Features: HAC Info: Grayd actively retrieves data from Home Access Center and displays it in a streamlined manner. Schedules, report cards, progress reports, transcripts, and teacher information are easily accessible! Day Schedule: View your classes for the day as soon as you open the app! Day schedule dynamically updates based on the current class period. Recent Assignments: View your recent assignments as soon as you open the app. Tap on an assignment to view its details! Courses: View your courses in a new light with beautiful and informative colors. Detailed information for courses, categories, and assignments is at your fingertips! Calendar: View updated attendance information pulled directly from HAC. Additionally, plan your week out with Week View! See upcoming block schedules, assignments, and more! Notifications: Get notified of recently graded assignments! Premium Features: Predict Mode: Obtain the ability to edit and add assignments to view predicted course averages, GPAs, etc. Multiple courses can be put into Predict Mode at the same time to provide a more comprehensive overview! Beautiful gradients indicate an element is in Predict Mode. GPAs: View both weighted and college predicted GPAs by cumulative, year, marking period, and even course! These GPAs can also be in Predict Mode. Additionally have the ability to adjust course scales and credits for a more accurate estimate. Furthermore, get additional insights with beautiful dynamic GPA graphs! Themes: Personalize your app aesthetic with stunning custom gradients with dark and light mode support. Upcoming Premium Features: IOS Widget: View important HAC info right from your home screen And so much more… Follow @graydapp on Instagram for more updates! Suggestions are welcome! Note: Some districts may not be fully supported. Please report any bugs you encounter and expect them to be squashed over as soon as possible. Disclaimer: Grayd operates independently and is not associated with, or sanctioned by PowerSchool LLC or its related entities. Home Access Center, the student information system we support, is a trademark owned by PowerSchool. Terms of Service: https://grayd.app/terms

About

GPAce

This app helps college students monitor their academic progress by tracking GPA, credits, and course grades. It offers manual entry for all courses and optional synchronization with Canvas for supported institutions. Utilize projection tools to forecast future scores without impacting current records.

Highlights
  • Track total GPA and academic standing
  • Sync courses and grades from Canvas (Pro)
  • Manually add courses outside Canvas (Free)
  • Project scores with 'What-If' tool
  • Secure data storage on device
Features
Read full description

GPAce helps college students track GPA, credits, and course grades in one place. • See your total GPA and academic standing • Sync courses and grades from Canvas (GPAce Pro) • Add manual courses for classes outside Canvas (Free) • Use What-If to project scores without changing real grades • Works with a personal Canvas access token on supported schools Manual course tracking is free. Canvas sync is a one-time GPAce Pro unlock. GPAce doesn't take any data, and stores your data on your own device.

Screenshots

Grayd for HAC4 screens
GPAce4 screens

Verdict

The call

The clearest difference is rating: GPAce at 5.0 against Grayd for HAC's 4.7. Grayd for HAC's advantage is ratings volume (108 vs 2) and iOS requirement (13.0 vs 16.4). On price, update cadence, ads and in-app purchases 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. Grayd for HAC sells 3 in-app purchases, starting at $0.99 per month and GPAce sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

GPAce holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Grayd for HAC has 108 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Grayd for HAC ships an update every 2 weeks, GPAce monthly. The most recent releases landed on October 30, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
Grayd for HAC versus GPAce: the parameters behind the verdict, then further details
ParameterGrayd for HACGPAce
PriceFreeFree
Rating4.7 (108 ratings)5.0 (2 ratings) — better
Positive reviews76.7% of reviews—
Number of ratings108 — better2
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size87 MB72 MB
Age rating4+4+
DeveloperDaniel HabibKai Greenberg

Customer experience

Grayd for HAC

All ratings13 ratings
Positive84.6%
Neutral7.7%
Negative7.7%
Written reviews43 reviews
Positive76.7%
Neutral2.3%
Negative20.9%

GPAce

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Grayd for HAC

Reported bugs

5 issues
  • Courses tab glitches
  • Login doesn't work/invalid credentials error
  • App not working/won't open after update
  • Null check on null value error when checking grades
  • Predict mode broken (class average becomes 0.00)

Requested features

4 requests
  • Add support for more school districts
  • Fix login bug for specific districts
  • Light and dark screen options
  • Fix predict mode bug where class average becomes 0.00

GPAce

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Grayd for HAC

Subscriptions2
  • Premium - 1 Month14 Days trial$0.991 Month
  • Premium - 1 Year14 Days trial$4.991 Year
One-time1
  • Premium - Lifetime$14.99
1 purchases

GPAce

One-time1
  • GPAce Pro$9.99

Questions

Is Grayd for HAC free?
Grayd for HAC is free to download, with in-app purchases available.
Is GPAce free?
GPAce is free to download, with in-app purchases available.
Which has better reviews, Grayd for HAC or GPAce?
GPAce is rated higher. Grayd for HAC averages 4.7 out of 5 from 108 ratings, while GPAce averages 5.0 from 2 ratings.
Do Grayd for HAC or GPAce have ads?
Neither Grayd for HAC nor GPAce shows ads.
Which is updated more often, Grayd for HAC or GPAce?
Grayd for HAC ships an update every 2 weeks, and GPAce monthly. Most recently, Grayd for HAC was updated on October 30, 2026 and GPAce on October 14, 2026.

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