# HeyPlus OS vs Larmi Watch

The clearest difference is update cadence: Larmi Watch at every 8 days against HeyPlus OS's every 4 months. 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.

HeyPlus OS ships an update every 4 months, Larmi Watch every 8 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | HeyPlus OS | Larmi Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/heyplus-os/id6476176659/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 183 MB | 429 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市新恩远科技有限公司](https://appshunter.io/developer/1726126736) | [会桂 罗](https://appshunter.io/developer/1460660569) |

## What reviewers say

### HeyPlus OS

[App page](https://appshunter.io/ios/app/heyplus-os/id6476176659)

This app syncs with a compatible smartwatch to display heart rate and activity data. Set reminders, alarms, and customize watch faces. It also integrates with HealthKit for seamless data sharing.

**Highlights:** Heart rate monitoring and display, Sports data tracking (steps, distance), Smartwatch reminders and alarms, HealthKit data synchronization, Customizable watch faces

**Features:** macOS Compatibility

**In-app purchases:** none


### Larmi Watch

[App page](https://appshunter.io/ios/app/larmi-watch/id6754555819)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeyPlus OS free?

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

### Is Larmi Watch free?

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

### Do HeyPlus OS or Larmi Watch have ads?

Neither HeyPlus OS nor Larmi Watch shows ads.

### Which is updated more often, HeyPlus OS or Larmi Watch?

HeyPlus OS ships an update every 4 months, and Larmi Watch every 8 days. Most recently, HeyPlus OS was updated on October 30, 2026 and Larmi Watch on October 30, 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.*