# Fartlek Interval Trainer vs Run/Walk Interval Training

The clearest difference is in-app purchases: Run/Walk Interval Training at none against Fartlek Interval Trainer's 4. Run/Walk Interval Training also leads on review sentiment (100% vs 75%) and update cadence (every 3 days vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. Fartlek Interval Trainer sells 4 in-app purchases, starting at $0.99 per month. Run/Walk Interval Training asks for nothing beyond the download.

Fartlek Interval Trainer ships an update weekly, Run/Walk Interval Training every 3 days. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Fartlek Interval Trainer | Run/Walk Interval Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/runwalk-interval-training/id6758255233/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Size | 85 MB | 1 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Richard English](https://appshunter.io/developer/1537547687) | [Jordan George](https://appshunter.io/developer/1871771697) |

## What reviewers say

### Fartlek Interval Trainer

[App page](https://appshunter.io/ios/app/fartlek-interval-trainer/id1537547685)

This running app automatically detects spontaneous intervals during Fartlek runs, providing live color-coded feedback on your effort. It also functions as a powerful timer for structured workouts like HIIT and Tabata, offering detailed metrics and syncing with Strava and Apple Health.

**Highlights:** Auto-detection of Fartlek intervals, Live color-coded effort feedback, Structured workout timer (HIIT, Tabata), Detailed interval metrics, Strava and Apple Health integration, Advanced effort level detection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $6.99 | per year |
| RemoveAds | $0.99 | one-time |
| Lifetime | $14.99 | one-time |


### Run/Walk Interval Training

[App page](https://appshunter.io/ios/app/runwalk-interval-training/id6758255233)

This app provides a customizable timer for interval training, guiding users through custom run and walk durations with visual and audio cues. Track your progress with workout history and enjoy a clean, intuitive interface designed for focused fitness sessions.

**Highlights:** Customizable run/walk durations, Adjustable number of intervals, Visual and audio feedback, Pause and resume functionality, Workout history tracking, Color-coded phases, Dark mode support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fartlek Interval Trainer free?

Fartlek Interval Trainer is free to download, with in-app purchases available.

### Is Run/Walk Interval Training free?

Run/Walk Interval Training is free to download, with no in-app purchases.

### Do Fartlek Interval Trainer or Run/Walk Interval Training have ads?

Neither Fartlek Interval Trainer nor Run/Walk Interval Training shows ads.

### Which is updated more often, Fartlek Interval Trainer or Run/Walk Interval Training?

Fartlek Interval Trainer ships an update weekly, and Run/Walk Interval Training every 3 days. Most recently, Fartlek Interval Trainer was updated on October 9, 2026 and Run/Walk Interval Training on October 10, 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.*