# Fartlek Interval Trainer vs Lightspeed Lift

The clearest difference is in-app purchases: Lightspeed Lift at none against Fartlek Interval Trainer's 4. Lightspeed Lift also leads on iOS requirement (11.0 vs 26.0). Fartlek Interval Trainer's advantage is update cadence (weekly vs every 2 months). 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. Lightspeed Lift asks for nothing beyond the download.

Fartlek Interval Trainer ships an update weekly, Lightspeed Lift every 2 months. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Fartlek Interval Trainer | Lightspeed Lift |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Freemium | — |
| Size | 85 MB | 57 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Richard English](https://appshunter.io/developer/1537547687) | [JCM Medical Supplies Pty Ltd](https://appshunter.io/developer/1649188877) |

## 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 |


### Lightspeed Lift

[App page](https://appshunter.io/ios/app/lightspeed-lift/id6443779366)

**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 Lightspeed Lift free?

Lightspeed Lift is free to download, with no in-app purchases.

### Do Fartlek Interval Trainer or Lightspeed Lift have ads?

Neither Fartlek Interval Trainer nor Lightspeed Lift shows ads.

### Which is updated more often, Fartlek Interval Trainer or Lightspeed Lift?

Fartlek Interval Trainer ships an update weekly, and Lightspeed Lift every 2 months. Most recently, Fartlek Interval Trainer was updated on October 9, 2026 and Lightspeed Lift on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*