Comparison

Purdue CS vs Gradescope

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

Head to head
About

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.

Highlights
  • Follow CS student organizations
  • Receive event notifications
  • View Computer Science opportunity updates
  • Live lab availability view
  • Access common department resources
Features
Read full description

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.

About

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.

Highlights
  • Upload assignments
  • Scan documents with camera
  • Select existing files
  • Assign pages for variable-length assignments
  • Resubmit assignments
  • View submitted and graded assignments
Features
Read full description

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

Purdue CS3 screens
Gradescope4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Purdue CS versus Gradescope: the parameters behind the verdict, then further details
ParameterPurdue CSGradescope
PriceFreeFree
Rating4.8 (13 ratings) — better1.4 (259 ratings)
Positive reviews100.0% of reviews — better9.1% of reviews
Number of ratings13259 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better13.4
Further details — not scored
Size6 MB37 MB
Age rating4+4+
DeveloperPallav AgarwalTurnitin

Customer experience

Purdue CS

All ratings13 ratings
Positive92.3%
Neutral7.7%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Gradescope

All ratings259 ratings
Positive7.3%
Neutral3.5%
Negative89.2%
Written reviews99 reviews
Positive9.1%
Neutral7.1%
Negative83.8%

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

None

Purdue CS

No in-app purchases

None

Gradescope

No in-app purchases

Questions

Is Purdue CS free?
Purdue CS is free to download, with no in-app purchases.
Is Gradescope free?
Gradescope is free to download, with no in-app purchases.
Which has better reviews, Purdue CS or Gradescope?
Purdue CS is rated higher. Purdue CS averages 4.8 out of 5 from 13 ratings, while Gradescope averages 1.4 from 259 ratings.
Do Purdue CS or Gradescope have ads?
Neither Purdue CS nor Gradescope shows ads.
Which is updated more often, Purdue CS or Gradescope?
Purdue CS ships an update every 4 months, and Gradescope every 2 months. Most recently, Purdue CS was updated on September 22, 2026 and Gradescope on October 17, 2026.

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