Mammoth Mobile vs Penji
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mammoth Mobile
Access campus events, dining menus, social media, and essential resources for the Amherst College community. Stay informed about campus life, health programs, and athletics, all in one place.
- Campus Event Calendar
- Dining Services Menus
- Social Media Access
- Health and Wellness Information
- Campus Map
- Amherst College Store Access
- Athletics Updates
Read full descriptionHide full description
Mammoth Mobile is the official app for the Amherst College campus community, with a focus on campus events, dining services, social media and other Amherst resources. Mammoth Mobile features: Campus Event Calendar: Find out what’s happening around campus. Dining Services menus: Check the menus for Valentine Dining, Grab-n-Go, Frost Café and the Science Center Café. Social Media: Quick access to Amherst’s Instagram, Facebook, TikTok and LinkedIn accounts. Health and Wellness: Learn about comprehensive programs to address personal health and safety, campus emergency preparedness, environmental safety, and more. Amherst in Pictures and Amherst in Videos: See photo galleries and videos of events that recently took place around campus. Amherst College Store: At the College’s official online store you’ll find a wide range of apparel and collectibles, from t-shirts and jackets to mugs and hats. Athletics: Find out who won yesterday or when your favorite team plays next. Campus Map: Looking for a particular building around campus? This will definitely help! Want more? Let us know! We’ll add new features based on your feedback, so be sure to vote up new tools for the app or use the app store comments to share your thoughts.
Penji
Connect with campus support services like tutoring, advising, and mentoring. Schedule appointments, join drop-in hours, and find study groups to enhance your academic journey. This app provides a modern, mobile-first experience for accessing university resources.
- Schedule tutors and mentors
- Attend drop-in hours
- Register for group sessions
- Find study groups
- Access advising resources
- Remote-friendly support
Read full descriptionHide full description
Penji is the central hub for tutoring, advising, and other support resources on campus. We partner with support centers at your university, allowing them to provide a modern, mobile-first, and remote-friendly experience for scheduling tutors, mentors, and coaches. Book appointments, attend drop-in hours, register for large-group sessions, meet study groups, and more, all from the app. As recent students ourselves, we know how important friends, tutors, and mentors can be in developing your interest and confidence in different subjects. We hope Penji encourages you to take advantage of these resources more frequently. Each university is different, so sign up to see what your university offers in Penji. Enjoy!
Screenshots
Verdict
The clearest difference is review sentiment: Penji at 93% against Mammoth Mobile's 50%. Penji also leads on rating (4.9 vs 3.6) and update cadence (every 9 days vs every 15 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.
Penji holds the better App Store score, 4.9 against 3.6. That said, the two scores are not equally well evidenced: Penji has 1.2K ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 50% of Mammoth Mobile's written reviews are positive against 93% of Penji's.
Mammoth Mobile ships an update every 15 months, Penji every 9 days. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.
| Parameter | Mammoth Mobile | Penji |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (17 ratings) | 4.9 (1.2K ratings) — better |
| Positive reviews | 50.0% of reviews | 92.6% of reviews — better |
| Number of ratings | 17 | 1.2K — better |
| Update frequency | Every 15 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 13 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Amherst College | Penji, Inc. |
Customer experience
Mammoth Mobile
Penji
Bugs and requests
Mammoth Mobile
Not enough reviews yet to summarise bugs or requests.
Penji
Reported bugs
2 issues- Unusable on iPad
- Tutors not showing as available
Requested features
2 requests- Add voice/call features
- Improve messaging and notifications
In-app purchases
Mammoth Mobile
No in-app purchases
Penji
No in-app purchases









