IU Mobile vs IUDM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IU Mobile
This app serves as a central hub for Indiana University students, consolidating essential information and services from various university systems. It provides a personalized experience to help students navigate their academic journey, access updates, and find support.
- University message center
- Access to updates and services
- Search for support
- Content from Knowledge base, People, One.IU
- Personalized student experience
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IU Mobile is a digital gateway for Indiana University students. It pulls together information and services from multiple systems to helps current students navigate learning at IU from one native environment. In other words, it’s a personalized, custom experience for all IU audiences. IU Mobile lets students get messages from the university, access updates and services on the main pages, or search for support. It pulls in content from Knowledge base, People, One.IU, and places information--so students are always up-to-date.
IUDM
This app serves as a central hub for Indiana University Dance Marathon participants. It provides access to important announcements, event schedules, fundraising tools, and information about the organization's mission. It complements the DonorDrive account for registered users.
- Important announcements
- Upcoming event schedules
- Fundraising resources
- Learn about IUDM's mission
- Connect with other participants
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The official Indiana University Dance Marathon (IUDM) app. Committee members, chairs, and external dancers can stay connected with everything IUDM in one place. View important announcements and upcoming events, find fundraising resources, learn more about IUDM's mission, and more. The IUDM app is designed to complement your DonorDrive account, not replace it. Before signing in to the app, all participants must first register for IUDM through DonorDrive at iudm.org/register. Indiana University Dance Marathon (IUDM) is Indiana University's largest student organization and the second-largest student-run philanthropy in the world. Since 1991, IUDM has raised more than $59 million to support Riley Hospital for Children and the IU School of Medicine Wells Center for Pediatric Research. Each year, nearly 3,000 students come together for a 36-hour Dance Marathon, united For The Kids.
Screenshots
Verdict
The clearest difference is rating: IUDM at 5.0 against IU Mobile's 3.9. IUDM also leads on update cadence (every 6 days vs monthly). IU Mobile's advantage is ratings volume (187 vs 3). 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.
IUDM holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: IU Mobile has 187 ratings behind it against 3, so its average is the more settled of the two.
IU Mobile ships an update monthly, IUDM every 6 days. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.
| Parameter | IU Mobile | IUDM |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (187 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 35.6% of reviews | — |
| Number of ratings | 187 — better | 3 |
| Update frequency | Monthly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Indiana University | Indiana University Dance Marathon, LLC |
Customer experience
IU Mobile
IUDM
Bugs and requests
IU Mobile
Reported bugs
15 issues- App crashes on startup or during use
- Login loops - requires re-authentication constantly
- Update required message with no available update
- Incompatibility with newer iOS versions
- Screen rotation issues on iPad
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- Crimson Card not visible on smaller devices (iPhone SE)
- Email loading icon stuck indefinitely
- Randomly opens wrong emails
- Class schedule reverts to previous semesters
- Widget fails to update schedule
- Duo authentication not displaying
- App closes immediately after opening
- Cannot access laundry, dining, or class information
- Keyboard doesn't display properly
- Connection failures despite strong internet
Requested features
14 requests- Save username and password securely
- Biometric login (Face ID/fingerprint)
- Grade book access
- Reply to class messages functionality
- Faculty-specific features for instructors
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- Syllabus tab access
- OneStart integration
- Canvas/course assignment details
- Laundry status checking
- Dining hall hours display
- Sports schedule information
- Persistent login sessions
- Dark mode option
- Widget functionality for class schedules
IUDM
Not enough reviews yet to summarise bugs or requests.
In-app purchases
IU Mobile
No in-app purchases
IUDM
No in-app purchases









