# ChiMarathon vs Twelve20 Coaching App

The clearest difference is device support: Twelve20 Coaching App at 3 against ChiMarathon's 1. Twelve20 Coaching App also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChiMarathon | Twelve20 Coaching App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (45 ratings)](https://appshunter.io/ios/app/chimarathon/id718145625/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 32.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | — |
| Size | 112 MB | 74 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tata Consultancy Services](https://appshunter.io/developer/467615204) | [TWELVE20 PTY LTD](https://appshunter.io/developer/1743464059) |

## 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


### Twelve20 Coaching App

[App page](https://appshunter.io/ios/app/twelve20-coaching-app/id6499445799)

**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 Twelve20 Coaching App free?

Twelve20 Coaching App is free to download, with no in-app purchases.

### Do ChiMarathon or Twelve20 Coaching App have ads?

Neither ChiMarathon nor Twelve20 Coaching App shows ads.

### Which is updated more often, ChiMarathon or Twelve20 Coaching App?

ChiMarathon ships an update every 2 weeks, and Twelve20 Coaching App every 2 weeks. Most recently, ChiMarathon was updated on October 20, 2026 and Twelve20 Coaching App on October 24, 2026.

---

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