# JR Smart vs A1 Gym

The clearest difference is update cadence: A1 Gym at every 2 days against JR Smart's every 18 months. JR Smart's advantage is iOS requirement (12.0 vs 14.0). 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.

JR Smart ships an update every 18 months, A1 Gym every 2 days. The most recent releases landed on October 21, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | JR Smart | A1 Gym |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/jr-smart/id6593669912/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 133 MB | 82 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Joyroom Technology Co., Ltd](https://appshunter.io/developer/1760285885) | [Mohamed Salah](https://appshunter.io/developer/1649975663) |

## What reviewers say

### JR Smart

[App page](https://appshunter.io/ios/app/jr-smart/id6593669912)

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

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

**In-app purchases:** none


### A1 Gym

[App page](https://appshunter.io/ios/app/a1-gym/id6784387209)

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

**In-app purchases:** none


## Frequently asked questions

### Is JR Smart free?

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

### Is A1 Gym free?

A1 Gym is free to download, with no in-app purchases.

### Do JR Smart or A1 Gym have ads?

Neither JR Smart nor A1 Gym shows ads.

### Which is updated more often, JR Smart or A1 Gym?

JR Smart ships an update every 18 months, and A1 Gym every 2 days. Most recently, JR Smart was updated on October 21, 2026 and A1 Gym on September 29, 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.*