# ChiMarathon vs Grandma's Marathon

The clearest difference is rating: Grandma's Marathon at 4.7 against ChiMarathon's 2.5. Grandma's Marathon also leads on review sentiment (45% vs 33%) and ratings volume (166 vs 45). ChiMarathon's advantage is update cadence (every 2 weeks vs every 5 weeks) and monetization model (free vs ad-supported). On price, ads, 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.

Grandma's Marathon holds the better App Store score, 4.7 against 2.5. Both are backed by a comparable volume of ratings — 45 and 166 respectively. Written reviews point the same way: 33% of ChiMarathon's written reviews are positive against 45% of Grandma's Marathon's.

ChiMarathon ships an update every 2 weeks, Grandma's Marathon every 5 weeks. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ChiMarathon | Grandma's Marathon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (45 ratings)](https://appshunter.io/ios/app/chimarathon/id718145625/reviews) | **[4.7 (166 ratings)](https://appshunter.io/ios/app/grandmas-marathon/id1108879072/reviews)** |
| Number of ratings | 45 | **166** |
| Positive reviews | 32.9% of reviews | **45.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 112 MB | 121 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tata Consultancy Services](https://appshunter.io/developer/467615204) | [Grandma's Marathon - Duluth Inc.](https://appshunter.io/developer/1465609809) |

## What reviewers say

### ChiMarathon

[App page](https://appshunter.io/ios/app/chimarathon/id718145625)

Prepare for the Bank of America Chicago Marathon with this comprehensive resource. Track runners live, view athlete profiles, and access real-time weather and course maps. Spectators can send digital cheers to be displayed on the course.

**Highlights:** Live runner tracking, Athlete profiles, Live broadcast streaming, Real-time weather, Interactive course map, Digital cheer submission

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for tracking runners
- 👍 Works well in the UK
- 👍 Able to track runner entire time
- 👍 Loved tracking friends
- 👍 Very useful for watching friend run

**What reviewers complain about**

- 🐛 Map tracker not spectator-geared
- 🐛 Mile markers inconsistent
- 🐛 Map shows water stations for runners
- 🐛 Units displayed incorrectly (miles vs km)
- 🐛 App doesn't update times

**Reported bugs**

- Mile markers inconsistent
- Map shows water stations for runners
- Units displayed incorrectly (miles vs km)
- App doesn't update times
- Links in map don't work

**Requested features**

- Geared towards spectators for map tracking
- Display mile markers clearly
- Option to switch between miles and kilometers
- Update app design to be more modern
- Real-time updates and alerts for runners


### Grandma's Marathon

[App page](https://appshunter.io/ios/app/grandmas-marathon/id1108879072)

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.

**Highlights:** Runner tracking, Event details, Race information, Course maps, Key updates

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

**In-app purchases:** none


## Frequently asked questions

### Is ChiMarathon free?

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

### Is Grandma's Marathon free?

Grandma's Marathon is free to download, with no in-app purchases.

### Which has better reviews, ChiMarathon or Grandma's Marathon?

Grandma's Marathon is rated higher. ChiMarathon averages 2.5 out of 5 from 45 ratings, while Grandma's Marathon averages 4.7 from 166 ratings.

### Do ChiMarathon or Grandma's Marathon have ads?

Neither ChiMarathon nor Grandma's Marathon shows ads.

### Which is updated more often, ChiMarathon or Grandma's Marathon?

ChiMarathon ships an update every 2 weeks, and Grandma's Marathon every 5 weeks. Most recently, ChiMarathon was updated on October 20, 2026 and Grandma's Marathon on October 29, 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.*