# RUN interval vs Trail Router

The clearest difference is in-app purchases: Trail Router at none against RUN interval's 2. Trail Router also leads on update cadence (every 3 weeks vs every 3 months). RUN interval's advantage is ratings volume (1K vs 33). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. RUN interval sells 2 one-off in-app purchases. Trail Router asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for RUN interval against 4.6 for Trail Router. That said, the two scores are not equally well evidenced: RUN interval has 1K ratings behind it against 33, so its average is the more settled of the two. Written reviews are what separate them: 77% of RUN interval's written reviews are positive against 73% of Trail Router's.

RUN interval ships an update every 3 months, Trail Router every 3 weeks. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RUN interval | Trail Router |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1K ratings)](https://appshunter.io/ios/app/run-interval-running-timer/id1352270752/reviews)** | [4.6 (33 ratings)](https://appshunter.io/ios/app/trail-router/id1500479574/reviews) |
| Number of ratings | **1K** | 33 |
| Positive reviews | **77.5% of reviews** | 73.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 34 MB | 57 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAN YOU HEAR ME SOFTWARE](https://appshunter.io/developer/711042540) | [Sam Crawford](https://appshunter.io/developer/1500479573) |

## What reviewers say

### 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 |


### Trail Router

[App page](https://appshunter.io/ios/app/trail-router/id1500479574)

Discover new running paths with an intelligent routing algorithm that prioritizes parks, forests, and water features while avoiding busy roads. Create custom routes or let the app automatically plot round trips based on your preferences for nature, lighting, or terrain.

**Highlights:** Automatic round-trip route plotting, Manual point-to-point route creation, Preference for nature and water, Avoids busy roads, Route export to GPX/KML, Customizable route preferences (nature, lighting, hills)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RUN interval free?

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

### Is Trail Router free?

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

### Which has better reviews, RUN interval or Trail Router?

RUN interval is rated higher. RUN interval averages 4.7 out of 5 from 1K ratings, while Trail Router averages 4.6 from 33 ratings.

### Do RUN interval or Trail Router have ads?

Neither RUN interval nor Trail Router shows ads.

### Which is updated more often, RUN interval or Trail Router?

RUN interval ships an update every 3 months, and Trail Router every 3 weeks. Most recently, RUN interval was updated on October 12, 2026 and Trail Router on October 7, 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.*