# ZERO LIFESTYLE vs GymKey

The clearest difference is review sentiment: GymKey at 100% against ZERO LIFESTYLE's 0%. GymKey also leads on rating (5.0 vs 2.0) and update cadence (monthly vs every 3 months). ZERO LIFESTYLE's advantage is iOS requirement (10.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

GymKey holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 0% of ZERO LIFESTYLE's written reviews are positive against 100% of GymKey's.

ZERO LIFESTYLE ships an update every 3 months, GymKey monthly. The most recent releases landed on July 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ZERO LIFESTYLE | GymKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/zero-lifestyle/id1663781476/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gymkey/id6742685233/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 91 MB | 44 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [腾飞 王](https://appshunter.io/developer/1445983614) | [Innovador Solutions](https://appshunter.io/developer/1815530761) |

## What reviewers say

### ZERO LIFESTYLE

[App page](https://appshunter.io/ios/app/zero-lifestyle/id1663781476)

This app connects to a Bluetooth bracelet to track and display real-time health data like heart rate, sleep, and exercise. It also offers device management features such as reminders and factory resets.

**Highlights:** HealthKit integration, Bluetooth bracelet connection, Real-time heart rate monitoring, Sleep tracking, Exercise recording, Bracelet reminders, Device search

**Features:** macOS Compatibility

**In-app purchases:** none


### GymKey

[App page](https://appshunter.io/ios/app/gymkey/id6742685233)

Access a variety of gyms, personal trainers, and group fitness classes using a flexible point system. Discover nearby fitness services, book sessions, and track your progress all within one convenient app.

**Highlights:** Discover nearby gyms, Flexible point-based access, Book personal training sessions, Find and join group classes, Track fitness progress, Access exclusive fitness services

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

**In-app purchases:** none


## Frequently asked questions

### Is ZERO LIFESTYLE free?

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

### Is GymKey free?

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

### Which has better reviews, ZERO LIFESTYLE or GymKey?

GymKey is rated higher. ZERO LIFESTYLE averages 2.0 out of 5 from 3 ratings, while GymKey averages 5.0 from 3 ratings.

### Do ZERO LIFESTYLE or GymKey have ads?

Neither ZERO LIFESTYLE nor GymKey shows ads.

### Which is updated more often, ZERO LIFESTYLE or GymKey?

ZERO LIFESTYLE ships an update every 3 months, and GymKey monthly. Most recently, ZERO LIFESTYLE was updated on July 8, 2026 and GymKey on October 2, 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.*