Compex CoreBelt vs KangWorld
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Compex CoreBelt
This app provides in-app coaching to help users stay focused on their fitness goals. It offers control over a smart device, allowing users to select from various stimulation objectives for toning, relaxation, and muscle reinforcement.
- In-app coaching
- Smartphone device control
- Multiple stimulation objectives
- Adjustable intensity
- Toning programs
- Relaxation programs
- Muscle reinforcement
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In-app coaching tracks your progress and helps you stay focused on your goal while smartphone device control makes it easy to stay engaged. The Compex CoreBelt range comprises of 3 different models offering up to 9 different stimulation objectives including toning, relaxation, and muscle reinforcement. These objectives are located on the Compex CoreBelt app, where you can start your objectives as well as adjusting the intensity to suit you.
KangWorld
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This application is the official companion tool for the machines we sell, supporting machine models MF-8551-6B/8B and MF-8551-6B. By quickly connecting to the machine via Bluetooth, you can easily control the device to complete various operations. The main functions include: · One-click Bluetooth connection, automatically recognizing nearby devices · Real-time viewing and control of machine status · Free switching between multiple operation modes · Parameter adjustment and operation monitoring · The operation interface is simple and intuitive, requiring no complex learning This app can help you manage your devices more efficiently in daily use and enjoy the convenience brought by smart interconnection.
Screenshots
Verdict
The clearest difference is update cadence: KangWorld at every 2 weeks against Compex CoreBelt's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Compex CoreBelt ships an update every 7 months, KangWorld every 2 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | Compex CoreBelt | KangWorld |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (60 ratings) — better | — |
| Positive reviews | 51.5% of reviews | — |
| Number of ratings | 60 — better | — |
| Update frequency | Every 7 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | DJO, LLC | Tianjin Myriad Families Technology Co., Ltd. |
In-app purchases
Compex CoreBelt
No in-app purchases
KangWorld
No in-app purchases









