Grandma's Marathon vs P3R
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grandma's Marathon
Follow your favorite runners in the Marathon and Half Marathon. Access event details, race information, course maps, and important updates for a premier running event.
- Runner tracking
- Event details
- Race information
- Course maps
- Key updates
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Welcome to the official mobile application of Grandma's Marathon Weekend, June 19-20, 2026. This year marks the 50th Anniversary of the Grandma's Marathon. Use the app to track your favorite runners in the Marathon and Half Marathon and for all event details, race information, course maps and key updates to keep you informed for the 2026 50th Grandma's Marathon weekend! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
P3R
This app supports users participating in transformative sporting events and exhilarating experiences. It provides tools for tracking runners, accessing course maps, and sharing achievements on social media. Stay informed about event details and view results.
- Runner Tracking
- Course Maps
- Social Media Sharing
- Event Information
- Results
- FAQs
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P3R strives to inspire any and all to MOVE with us. We are the innovative engine behind Pittsburgh’s most transformative sporting events and exhilarating experiences that unite. In the P3R app, you'll find: - Runner Tracking - Course Maps - Social Media Sharing - Event Information - Results - FAQs - And More!
Screenshots
Verdict
Grandma's Marathon and P3R both sit at 4.7 stars, but that hides the real split: 91% of P3R's written reviews are positive against 45% of Grandma's Marathon's. P3R also leads on monetization model (free vs ad-supported) and iOS requirement (13.0 vs 17.0). Grandma's Marathon's advantage is update cadence (every 5 weeks vs every 12 months). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 4.7 for Grandma's Marathon against 4.8 for P3R. Both are backed by a comparable volume of ratings — 166 and 230 respectively. Written reviews are what separate them: 45% of Grandma's Marathon's written reviews are positive against 91% of P3R's.
Grandma's Marathon ships an update every 5 weeks, P3R every 12 months. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.
| Parameter | Grandma's Marathon | P3R |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (166 ratings) | 4.8 (230 ratings) — better |
| Positive reviews | 45.0% of reviews | 91.2% of reviews — better |
| Number of ratings | 166 | 230 — better |
| Update frequency | Every 5 weeks — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 121 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Grandma's Marathon - Duluth Inc. | Dilltree Inc |
Customer experience
Grandma's Marathon
P3R
Bugs and requests
Grandma's Marathon
Not enough reviews yet to summarise bugs or requests.
P3R
Reported bugs
5 issues- Tracker inaccurate for last 2-3 miles
- Tracker jumps from mile 10.5 to 12.5 for half marathon
- Tracker shows runner finishing 15 min before actual time
- App does not show 2025 races, only 2024 results
- Unable to find new races or upcoming race calendar
Requested features
3 requests- Stream app horizontally to smart TV
- Show all runners at once on screen
- Map route with easy access for bystanders
In-app purchases
Grandma's Marathon
No in-app purchases
P3R
No in-app purchases
Questions
Is Grandma's Marathon free?
Is P3R free?
Which has better reviews, Grandma's Marathon or P3R?
Do Grandma's Marathon or P3R have ads?
Which is updated more often, Grandma's Marathon or P3R?
Other comparisons
