# ZenRing vs STF ZEN

The clearest difference is iOS requirement: STF ZEN at 9.0 against ZenRing's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | ZenRing | STF ZEN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zenring/id6479628518/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 66 MB | 45 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [KMAC Consulting LLC](https://appshunter.io/developer/1736660318) | [STUFFACTORY](https://appshunter.io/developer/1476804950) |

## What reviewers say

### ZenRing

[App page](https://appshunter.io/ios/app/zenring/id6479628518)

Manage your wearable devices and track your sports health data, including steps, calories, sleep, and workouts. It provides a readiness score based on your recovery, activity, and sleep patterns to help you adjust your training.

**Highlights:** Device binding management, Health data recording (steps, calories, sleep), Readiness score calculation, Workout data display, Day, month, and year data viewing

**Features:** macOS Compatibility

**In-app purchases:** none


### STF ZEN

[App page](https://appshunter.io/ios/app/stf-zen/id6730119787)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZenRing free?

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

### Is STF ZEN free?

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

### Do ZenRing or STF ZEN have ads?

Neither ZenRing nor STF ZEN 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.*