# Simple Interval Timer vs ChiMarathon

The clearest difference is review sentiment: Simple Interval Timer at 85% against ChiMarathon's 33%. Simple Interval Timer also leads on rating (4.9 vs 3.5) and ratings volume (5.4K vs 4). ChiMarathon's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price there is nothing between them.

Both are free to download. Simple Interval Timer sells 4 one-off in-app purchases. ChiMarathon asks for nothing beyond the download.

Simple Interval Timer holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: Simple Interval Timer has 5.4K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 85% of Simple Interval Timer's written reviews are positive against 33% of ChiMarathon's.

Simple Interval Timer ships an update every 8 months, ChiMarathon every 2 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Simple Interval Timer | ChiMarathon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (5.4K ratings)](https://appshunter.io/ios/app/simple-interval-timer/id458334253/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/chimarathon/id718145625/reviews) |
| Number of ratings | **5.4K** | 4 |
| Positive reviews | **84.7% of reviews** | 32.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#22** |
| Size | 10 MB | 112 MB |
| Requires iOS | **14.5** | 18.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [0FF](https://appshunter.io/developer/455256988) | [Tata Consultancy Services](https://appshunter.io/developer/467615204) |

## What reviewers say

### Simple Interval Timer

[App page](https://appshunter.io/ios/app/simple-interval-timer/id458334253)

This app provides a straightforward interval timer for various training types like running, cycling, and HIIT. Customize sets, action, and break durations for a personalized workout experience. It runs in the background and saves recent configurations.

**Highlights:** Customizable sets, action, and break durations, Plain and simple design, Saves last 5 configurations, Runs in the background, iOS screen dimming prevention, Apple Watch integration with heart rate monitoring

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso | $0.99 | one-time |
| Americano | $1.99 | one-time |
| Ad-free version | $2.99 | one-time |
| Caramel Cappuccino | $2.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Efficient and straightforward
- 💰 Actually free, no paywall
- 🔊 Unobtrusive audio cues
- 🎶 Works well with music playback

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- ⚙️ Limited customization options
- 🔋 Compatibility issues with newer iOS versions
- 🔍 Difficulty deleting/managing saved configurations

**Reported bugs**

- Timer stops working when screen is locked
- Countdown beeps not syncing with timer
- Interval times not accurately tracked

**Requested features**

- Ability to name and delete saved configurations
- More granular interval time settings (e.g., 1-second increments)
- Stronger haptic feedback on Apple Watch
- Integration with workout tracking apps


### ChiMarathon

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

**Currently charting:** #22 Top Free · Sports (US App Store)

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


## Frequently asked questions

### Is Simple Interval Timer free?

Simple Interval Timer is free to download, with in-app purchases available.

### Is ChiMarathon free?

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

### Which has better reviews, Simple Interval Timer or ChiMarathon?

Simple Interval Timer is rated higher. Simple Interval Timer averages 4.9 out of 5 from 5.4K ratings, while ChiMarathon averages 3.5 from 4 ratings.

### Do Simple Interval Timer or ChiMarathon have ads?

Simple Interval Timer shows ads; ChiMarathon does not.

### Which is updated more often, Simple Interval Timer or ChiMarathon?

Simple Interval Timer ships an update every 8 months, and ChiMarathon every 2 weeks. Most recently, Simple Interval Timer was updated on October 7, 2026 and ChiMarathon on October 8, 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.*