# Marathon 26.2 Trainer by C25K® vs RunIntervals

Marathon 26.2 Trainer by C25K® and RunIntervals both sit at 4.7 stars, but that hides the real split: 91% of RunIntervals's written reviews are positive against 47% of Marathon 26.2 Trainer by C25K®'s. RunIntervals also leads on ads (none vs shown) and iOS requirement (11.3 vs 14.0). Marathon 26.2 Trainer by C25K®'s advantage is ratings volume (1.7K vs 146) and update cadence (every 6 weeks vs every 3 months). On price, rating, in-app purchases and monetization model 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 RunIntervals 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 RunIntervals. That said, the two scores are not equally well evidenced: Marathon 26.2 Trainer by C25K® has 1.7K ratings behind it against 146, so its average is the more settled of the two. Written reviews are what separate them: 47% of Marathon 26.2 Trainer by C25K®'s written reviews are positive against 91% of RunIntervals's.

Marathon 26.2 Trainer by C25K® ships an update every 6 weeks, RunIntervals 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® | RunIntervals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.7K ratings)](https://appshunter.io/ios/app/marathon-262-trainer-by-c25k/id514662686/reviews) | **[4.7 (146 ratings)](https://appshunter.io/ios/app/runintervals/id1387917509/reviews)** |
| Number of ratings | **1.7K** | 146 |
| Positive reviews | 46.7% of reviews | **90.7% 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 | 26 MB |
| Requires iOS | 14.0 | **11.3** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Zen Labs](https://appshunter.io/developer/485971738) | [Robotic Jam LLC](https://appshunter.io/developer/1330538093) |

## 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


### RunIntervals

[App page](https://appshunter.io/ios/app/runintervals/id1387917509)

Set custom interval timers with voice or tone alerts. This app seamlessly integrates with your existing audio and fitness apps, pausing or lowering music volume to ensure you never miss an alert.

**Highlights:** Customizable interval durations, Voice and tone alerts, Music volume lowering, Spoken audio pausing, Works with other apps, No user data collection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Big Tip | $2.99 | one-time |

**What reviewers like**

- 🚀 Perfect app
- 🚀 Great app
- 🚀 Simple and effective
- 🚀 Straightforward and easy to use
- 🚀 Does exactly what it needs to

**What reviewers complain about**

- 🐛 Does not work
- 🐛 Tones fail
- 🐛 Alerts don't work
- 🐛 Stops randomly
- 🐛 No sound on watch

**Reported bugs**

- Interval tones not working with podcast/music
- Interval tones not working on Apple Watch
- App randomly stops during workouts

**Requested features**

- Ability to swap run/walk intervals
- Option to start with walking
- Ability to set number of repeats
- Vibration alerts
- Longer interval options (up to 30/60/120 mins)


## 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 RunIntervals free?

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

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

RunIntervals is rated higher. Marathon 26.2 Trainer by C25K® averages 4.7 out of 5 from 1.7K ratings, while RunIntervals averages 4.7 from 146 ratings.

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

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

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

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