# Marathon 26.2 Trainer by C25K® vs RUN interval

The clearest difference is ads: RUN interval at none against Marathon 26.2 Trainer by C25K®'s shown. RUN interval also leads on review sentiment (77% vs 47%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Marathon 26.2 Trainer by C25K® sells 5 in-app purchases, starting at $4.99 per month and RUN interval sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Marathon 26.2 Trainer by C25K® against 4.7 for RUN interval. Both are backed by a comparable volume of ratings — 1.7K and 1K respectively. Written reviews are what separate them: 47% of Marathon 26.2 Trainer by C25K®'s written reviews are positive against 77% of RUN interval's.

Marathon 26.2 Trainer by C25K® ships an update every 6 weeks, RUN interval every 3 months. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Marathon 26.2 Trainer by C25K® | RUN interval |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.7K ratings)](https://appshunter.io/ios/app/marathon-262-trainer-by-c25k/id514662686/reviews) | **[4.7 (1K ratings)](https://appshunter.io/ios/app/run-interval-running-timer/id1352270752/reviews)** |
| Number of ratings | **1.7K** | 1K |
| Positive reviews | 46.7% of reviews | **77.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 319 MB | 34 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Zen Labs](https://appshunter.io/developer/485971738) | [CAN YOU HEAR ME SOFTWARE](https://appshunter.io/developer/711042540) |

## What reviewers say

### Marathon 26.2 Trainer by C25K®

[App page](https://appshunter.io/ios/app/marathon-262-trainer-by-c25k/id514662686)

This app offers a 20-week training program designed for beginners aiming to complete a marathon. It utilizes a run-walk method to reduce impact and injury risk, guided by an audio coach. Features include run mapping, health app integration, and community forums.

**Highlights:** 20-week run-walk marathon training program, Audio coach and alerts, Map your run, Health app integration, Community forums, Light and dark modes

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zen Unlimited Pass Monthly | $4.99 | per month |
| Unlock Your Potential | $29.99 | per 3 months |
| Unlock Your Potential | $29.99 | per 3 months |
| Zen Unlimited Pass Annual | $74.99 | per year |
| Unlock Workout List | $0.99 | one-time |

**What reviewers like**

- 🚀 Great progression & motivation
- 👍 Easy and fun to use
- 👍 Helpful for first-time marathoners
- 👍 Keeps user accountable and motivated

**What reviewers complain about**

- 🐛 Crashes, freezes, and malfunctions
- 💰 Subscription model changes after initial purchase
- 💰 Requires additional purchases for full functionality
- 🔋 Drains battery when screen is locked
- 👎 Run/walk intervals not suitable for all users

**Reported bugs**

- Workouts not syncing properly
- Notifications and audio cues not working consistently
- App crashing after recent updates

**Requested features**

- Ability to customize training plan
- Option to view past workout stats
- Standalone Apple Watch app functionality
- Volume control for audio cues
- Integration with other fitness apps


### RUN interval

[App page](https://appshunter.io/ios/app/run-interval-running-timer/id1352270752)

This app simplifies interval and Fartlek running by allowing you to set custom targets for time or distance during hard, easy, and rest efforts. It offers detailed post-run summaries, audio and visual feedback, and an Apple Watch app for enhanced training.

**Highlights:** Customizable interval sessions, Time and distance targets, Distance Goal option, Audio and visual feedback, Detailed run summaries, Apple Watch app, Strava sharing

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The full RUN interval | $1.99 | one-time |
| The full RUN interval | $3.99 | one-time |


## Frequently asked questions

### Is Marathon 26.2 Trainer by C25K® free?

Marathon 26.2 Trainer by C25K® is free to download, with in-app purchases available.

### Is RUN interval free?

RUN interval is free to download, with in-app purchases available.

### Which has better reviews, Marathon 26.2 Trainer by C25K® or RUN interval?

RUN interval is rated higher. Marathon 26.2 Trainer by C25K® averages 4.7 out of 5 from 1.7K ratings, while RUN interval averages 4.7 from 1K ratings.

### Do Marathon 26.2 Trainer by C25K® or RUN interval have ads?

Marathon 26.2 Trainer by C25K® shows ads; RUN interval does not.

### Which is updated more often, Marathon 26.2 Trainer by C25K® or RUN interval?

Marathon 26.2 Trainer by C25K® ships an update every 6 weeks, and RUN interval every 3 months. Most recently, Marathon 26.2 Trainer by C25K® was updated on November 3, 2026 and RUN interval on November 2, 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.*