# Notre Dame Mobile vs Pi

The clearest difference is rating: Pi at 4.9 against Notre Dame Mobile's 3.7. Pi also leads on review sentiment (100% vs 67%) and update cadence (every 10 days vs every 4 months). Notre Dame Mobile's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

Pi holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 21 and 34 respectively. Written reviews point the same way: 67% of Notre Dame Mobile's written reviews are positive against 100% of Pi's.

Notre Dame Mobile ships an update every 4 months, Pi every 10 days. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Notre Dame Mobile | Pi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (21 ratings)](https://appshunter.io/ios/app/notre-dame-mobile/id842852044/reviews) | **[4.9 (34 ratings)](https://appshunter.io/ios/app/pi-squared/id6737175718/reviews)** |
| Number of ratings | 21 | **34** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | **Free** | Ad-supported |
| Size | 15 MB | 89 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [University of Notre Dame du Lac](https://appshunter.io/developer/488808649) | [David Carr](https://appshunter.io/developer/1775086517) |

## What reviewers say

### Notre Dame Mobile

[App page](https://appshunter.io/ios/app/notre-dame-mobile/id842852044)

Access essential campus information and services from your mobile device. This app provides a variety of resources for students, faculty, and visitors.

**Highlights:** Campus information access, Essential services, Mobile convenience, Anytime, anywhere access

**Features:** macOS Compatibility, iMessage stickers, Vision Pro support

**In-app purchases:** none


### Pi

[App page](https://appshunter.io/ios/app/pi-squared/id6737175718)

Engage in quick math challenges and compete with friends to improve your skills. This app transforms math learning into an exciting game, making it fun and accessible for all ages. Swap mindless scrolling for brain-boosting battles and enjoy a positive learning environment.

**Highlights:** Time-pressured math quizzes, Leaderboard competition, Daily math challenges, Smarter screen time alternative, Positive reinforcement messages, Math skill improvement

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent math tool
- 👍 Fun and engaging
- 👍 Intuitive and easy to navigate
- 👍 Great for learning and practice
- 👍 Wakes up the brain


## Frequently asked questions

### Is Notre Dame Mobile free?

Notre Dame Mobile is free to download, with no in-app purchases.

### Is Pi free?

Pi is free to download, with no in-app purchases.

### Which has better reviews, Notre Dame Mobile or Pi?

Pi is rated higher. Notre Dame Mobile averages 3.7 out of 5 from 21 ratings, while Pi averages 4.9 from 34 ratings.

### Do Notre Dame Mobile or Pi have ads?

Pi shows ads; Notre Dame Mobile does not.

### Which is updated more often, Notre Dame Mobile or Pi?

Notre Dame Mobile ships an update every 4 months, and Pi every 10 days. Most recently, Notre Dame Mobile was updated on October 4, 2026 and Pi on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*