Grayd for HAC vs GPAce
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- HAC data retrieval
- Dynamic day schedule
- Recent assignment tracking
- Course information
- Calendar with attendance
- Grade prediction
- GPA analysis
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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
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.
- 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
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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
Verdict
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
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.
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.
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.
| Parameter | Grayd for HAC | GPAce |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (108 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 76.7% of reviews | — |
| Number of ratings | 108 — better | 2 |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 87 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Habib | Kai Greenberg |
Customer experience
Grayd for HAC
GPAce
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
Grayd for HAC
- Premium - 1 Month14 Days trial$0.991 Month
- Premium - 1 Year14 Days trial$4.991 Year
- Premium - Lifetime$14.99
GPAce
- GPAce Pro$9.99









