# RUN interval vs SLFit Lounge

The clearest difference is in-app purchases: SLFit Lounge at none against RUN interval's 2. SLFit Lounge also leads on rating (5.0 vs 4.7). RUN interval's advantage is ratings volume (1K vs 2). On price, ads, device support and iOS requirement there is nothing between them.

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

SLFit Lounge holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: RUN interval has 1K ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | RUN interval | SLFit Lounge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1K ratings)](https://appshunter.io/ios/app/run-interval-running-timer/id1352270752/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slfit-lounge/id6807447424/reviews)** |
| Number of ratings | **1K** | 2 |
| Positive reviews | 77.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 34 MB | 189 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [CAN YOU HEAR ME SOFTWARE](https://appshunter.io/developer/711042540) | [Joseph Abadilla](https://appshunter.io/developer/6807447426) |

## 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 |


### SLFit Lounge

[App page](https://appshunter.io/ios/app/slfit-lounge/id6807447424)

This app combines a daily word game focused on health and fitness terms with short exercise challenges and workouts. It encourages learning and activity to build healthier habits without requiring extensive time commitments.

**Highlights:** Daily word game for fitness and health terms, Short exercise challenges, Quick workout routines, Water intake tracking, Progress and streak tracking, STARTLIVEFIT client workout access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RUN interval free?

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

### Is SLFit Lounge free?

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

### Which has better reviews, RUN interval or SLFit Lounge?

SLFit Lounge is rated higher. RUN interval averages 4.7 out of 5 from 1K ratings, while SLFit Lounge averages 5.0 from 2 ratings.

### Do RUN interval or SLFit Lounge have ads?

Neither RUN interval nor SLFit Lounge shows ads.

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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.*