# Half Marathon 13.1 Trainer vs RunIntervals

Half Marathon 13.1 Trainer and RunIntervals both sit at 4.7 stars, but that hides the real split: 91% of RunIntervals's written reviews are positive against 56% of Half Marathon 13.1 Trainer's. RunIntervals also leads on ads (none vs shown) and iOS requirement (11.3 vs 14.0). Half Marathon 13.1 Trainer's advantage is ratings volume (5.6K 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. Half Marathon 13.1 Trainer 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 Half Marathon 13.1 Trainer against 4.7 for RunIntervals. That said, the two scores are not equally well evidenced: Half Marathon 13.1 Trainer has 5.6K ratings behind it against 146, so its average is the more settled of the two. Written reviews are what separate them: 56% of Half Marathon 13.1 Trainer's written reviews are positive against 91% of RunIntervals's.

Half Marathon 13.1 Trainer 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 | Half Marathon 13.1 Trainer | RunIntervals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.6K ratings)](https://appshunter.io/ios/app/half-marathon-131-trainer/id514647091/reviews)** | [4.7 (146 ratings)](https://appshunter.io/ios/app/runintervals/id1387917509/reviews) |
| Number of ratings | **5.6K** | 146 |
| Positive reviews | 55.7% 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

### Half Marathon 13.1 Trainer

[App page](https://appshunter.io/ios/app/half-marathon-131-trainer/id514647091)

This app guides beginners through a 14-week program to train for a half marathon using a run-walk method. It offers audio coaching, progress tracking, and community support to help users complete their first 13.1-mile race.

**Highlights:** 14-week run-walk training program, Audio coach and alerts, Run mapping, Health app integration, Community forums, Music integration

**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**

- 👍 Easy to use
- 👍 Helpful for beginners
- 👍 Great for training and motivation
- 👍 Integrates well with Apple Watch and Fitness
- 👍 Customizable music playback

**What reviewers complain about**

- 🐛 Occasional syncing and tracking issues
- 🔋 Drains battery life
- 💰 Subscription model change frustrates some users
- 💰 Paid app now requires subscription for full access

**Reported bugs**

- App crashes or freezes during workouts
- Inconsistent distance and time tracking
- Syncing issues with Apple Watch

**Requested features**

- Option to view GPS route history
- Ability to customize training days and schedule
- Integration with more fitness tracking devices
- Detailed performance metrics and analytics


### 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 Half Marathon 13.1 Trainer free?

Half Marathon 13.1 Trainer 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, Half Marathon 13.1 Trainer or RunIntervals?

Half Marathon 13.1 Trainer is rated higher. Half Marathon 13.1 Trainer averages 4.7 out of 5 from 5.6K ratings, while RunIntervals averages 4.7 from 146 ratings.

### Do Half Marathon 13.1 Trainer or RunIntervals have ads?

Half Marathon 13.1 Trainer shows ads; RunIntervals does not.

### Which is updated more often, Half Marathon 13.1 Trainer or RunIntervals?

Half Marathon 13.1 Trainer ships an update every 6 weeks, and RunIntervals every 3 months. Most recently, Half Marathon 13.1 Trainer 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.*