# Zenfit vs RunWindow

The clearest difference is rating: RunWindow at 5.0 against Zenfit's 2.3. RunWindow also leads on update cadence (every 3 days vs every 3 months). Zenfit's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RunWindow holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: Zenfit has 6 ratings behind it against 1, so its average is the more settled of the two.

Zenfit ships an update every 3 months, RunWindow every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Zenfit | RunWindow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/zenfit/id6462883047/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/runwindow/id6757280584/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 217 MB | 4 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Zenfit](https://appshunter.io/developer/1084449013) | [David Fields](https://appshunter.io/developer/1865754353) |

## What reviewers say

### Zenfit

[App page](https://appshunter.io/ios/app/zenfit/id6462883047)

This app helps personal trainers and their clients track body progress and calorie intake. It offers interactive workout and meal plans, activity logging, and a communication system. Manage your fitness journey easily, whether at home or in the gym.

**Highlights:** Interactive workout and meal plans, Step tracking via Apple Health, Progress and activity history, In-app chat with video/audio messages, Shopping list generation from meal plans

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

**In-app purchases:** none


### RunWindow

[App page](https://appshunter.io/ios/app/runwindow/id6757280584)

This app guides your runs using haptic feedback and on-screen cues to keep you within your target heart rate or pace zones. It focuses on training by feel, minimizing the need to constantly check your watch. View run trends and summaries post-workout.

**Highlights:** Haptic feedback for pace and heart rate zones, On-screen color cues for effort level, Adjustable pace or heart rate windows, Run trend and summary data, Apple Health integration, No account or phone app required

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

**In-app purchases:** none


## Frequently asked questions

### Is Zenfit free?

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

### Is RunWindow free?

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

### Which has better reviews, Zenfit or RunWindow?

RunWindow is rated higher. Zenfit averages 2.3 out of 5 from 6 ratings, while RunWindow averages 5.0 from 1 ratings.

### Do Zenfit or RunWindow have ads?

Neither Zenfit nor RunWindow shows ads.

### Which is updated more often, Zenfit or RunWindow?

Zenfit ships an update every 3 months, and RunWindow every 3 days. Most recently, Zenfit was updated on October 24, 2026 and RunWindow on October 24, 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.*