# LJ Wave

> Smartwatch companion app for activity, sleep, and health tracking. (iPhone/iPad app by KaHa Pte Ltd.)

- Source: https://appshunter.io/ios/app/lj-wave/id1530008077 (this page in markdown: same URL + `.md`)
- Developer: [KaHa Pte Ltd](https://appshunter.io/developer/1178524096)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Rating: 1.30/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 68 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2020-09-10
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/lj-wave/id1530008077/reviews.md

## What is LJ Wave?

LJ Wave iOS app pairs and syncs Larsson & Jennings' hybrid smartwatch with iPhone. You can customise your smartwatch settings, set goals and get all your activity and sleep insights in one place. 
Fitness Activity Tracking: Support to track your daily activities like steps, distance and calories burned.
Health & Fitness buddies: Share your health and fitness progress with your friends and loved ones.
Alerts: Receive alerts for calls, SMS, social messages, emails and sedentary reminders
Sleep tracking: Sleep duration and quality of sleep tracked.

Health: Apple Health is integrated with this app so that you can track your health with awesome features of the Apple Health Application.

Note: This App must be used with "LJWave" watch.

## Key features

- Activity tracking (steps, distance, calories)
- Sleep duration and quality monitoring
- Fitness goal setting
- Social sharing of progress
- Call, SMS, and social message alerts
- Apple Health integration

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/lj-wave/id1530008077/reviews.md

### 1/5 — Scam

*2022-11-06, version 1.1*

Without the app working you can’t set the time on your watch and the app can never find your watch when it goes through set up

## Frequently asked questions about LJ Wave

### What devices does LJ Wave support?

LJ Wave is designed to work with iPhones and iPods. The app must be used in conjunction with the 'LJWave' watch.

### How accurate is LJ Wave's sleep tracking?

The app tracks sleep duration and quality. Specific accuracy metrics for sleep stages or disturbances are not detailed in the provided information.

### Can I share my fitness progress with friends using LJ Wave?

Yes, LJ Wave includes a 'Health & Fitness buddies' feature that allows you to share your health and fitness progress with friends and loved ones.

### Does LJ Wave integrate with other health apps?

Yes, LJ Wave integrates with Apple Health, allowing you to track your health data with the features available in the Apple Health application.

### What kind of alerts can I receive with LJ Wave?

You can receive alerts for incoming calls, SMS messages, social media notifications, emails, and sedentary reminders.

### How often is LJ Wave updated?

The latest version, 1.1, was released on November 4, 2020. The app was initially released on September 10, 2020, indicating updates are not very frequent.

### What is the user rating for LJ Wave?

LJ Wave has a user rating of 1.3 stars based on 3 ratings, suggesting a generally negative user sentiment.

### Is LJ Wave free to use?

Yes, LJ Wave is available for free download and use. There are no in-app purchases mentioned.

## Version history (last 2 releases)

### 1.1 — 2020-11-04

- Major Bug Fixes with connectivity 
- Synch Performance Improvement

### 1.0 — 2020-09-10

No release notes.

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All apps by KaHa Pte Ltd: https://appshunter.io/developer/1178524096

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*