Purdue CS vs Gradescope
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Purdue CS
This app connects Computer Science students at Purdue University with events and resources. Follow student organizations, get event notifications, and view lab availability. It also provides access to department resources and opportunity updates.
- Follow CS student organizations
- Receive event notifications
- View Computer Science opportunity updates
- Live lab availability view
- Access common department resources
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This is the app for students in Computer Science at Purdue University or for those wanting to get involved in events by students organizations in CS. It offers a simple interface with the ability to follow events, view the Computer Science opportunity update and get resources like a live view of the Lawson and Haas labs to check for availabilities. Upcoming Events: Add the CS organizations at Purdue you want to be involved with and follow their upcoming events. Choose to get event notifications 30 minutes before they begin to make sure you don't miss out on any events by student organizations. Opportunity Update: View the opportunity update all on one page. View the sections you are interested in and check back periodically for new updates. Resources: View a live image of labs in Lawson and Haas and access common resources in the Computer Science department. Note: Not an official Purdue app. Developed by Students, for Students, at Purdue University. We'd love to hear your thoughts! Send us feedback in-app for features and improvements.
Gradescope
Easily upload assignments for courses using this app. Submit files from your device or scan your work directly. Assign pages for variable-length assignments and resubmit if needed before the deadline.
- Upload assignments
- Scan documents with camera
- Select existing files
- Assign pages for variable-length assignments
- Resubmit assignments
- View submitted and graded assignments
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Students, upload your assignments to Gradescope more easily than ever before! If your instructor uses Gradescope for your assignments, you can now upload your submission with our mobile app. After installing and opening the app, login to see your Gradescope courses and assignments. To upload a submission, click on the assignment in the “Not Submitted” tab and either “Select File” to select an existing file from your device or “Scan” all pages of your completed work using your iPhone’s camera. Once you submit your file(s), for templated assignments, you’re all set. For variable-length assignments, “Assign pages” to indicate where your answer for each question appears within your submission. It’s that easy! After confirming, your assignment then moves to the “Submitted” tab. If needed, you can resubmit your assignment until the due date your instructor set has passed. Once it is graded and grades are published for the assignment, it then moves to the “Graded” tab. Note: For V1 of the app, you will be directed to our mobile website for any advanced functionality, including viewing feedback and submitting timed, programming, or online assignments. Stay tuned for future updates that will allow you to do even more with our mobile app!
Screenshots
Verdict
The clearest difference is review sentiment: Purdue CS at 100% against Gradescope's 9%. Purdue CS also leads on rating (4.8 vs 1.4). Gradescope's advantage is ratings volume (259 vs 13) and update cadence (every 2 months vs every 4 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Purdue CS holds the better App Store score, 4.8 against 1.4. That said, the two scores are not equally well evidenced: Gradescope has 259 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 100% of Purdue CS's written reviews are positive against 9% of Gradescope's.
Purdue CS ships an update every 4 months, Gradescope every 2 months. The most recent releases landed on September 22, 2026 and October 17, 2026 respectively.
| Parameter | Purdue CS | Gradescope |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (13 ratings) — better | 1.4 (259 ratings) |
| Positive reviews | 100.0% of reviews — better | 9.1% of reviews |
| Number of ratings | 13 | 259 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 6 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Pallav Agarwal | Turnitin |
Customer experience
Purdue CS
Gradescope
Bugs and requests
Purdue CS
Not enough reviews yet to summarise bugs or requests.
Gradescope
Reported bugs
3 issues- Camera flash issues during scanning
- Photos not uploading in correct order
- Inconsistent download button behavior
Requested features
3 requests- Ability to sort assignments by due date
- Integration of tools for instructors
- Improved iPad and tablet optimization
In-app purchases
Purdue CS
No in-app purchases
Gradescope
No in-app purchases









