G vs Nothing X
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
G
This app connects your CASIO watch to your iPhone via Bluetooth for enhanced functionality. It allows for simplified watch operations and access to various Mobile Link features. Note: This app's functionality is transferring to the CASIO WATCHES app.
- Bluetooth watch connectivity
- Mobile Link functions
- Simplified watch operations
- User data transfer to CASIO WATCHES
- Accurate time synchronization
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Important - Please Read Request to Transfer to the CASIO WATCHES App (Support Termination Notification) The functionality of this app will be transferred to the new watch app, CASIO WATCHES. By updating to version 3.0, users of this app will be able to transfer their user data to CASIO WATCHES via this app. While we understand this may be inconvenient for some users, we ask that you transfer your data across, and continue using CASIO WATCHES in place of this app. Please see the support page for more details. https://world.casio.com/support/wat/info/20230322/en/ ●Description This is the basic application for connecting and communicating with a Bluetooth(R) v4.0 enabled CASIO watch. Pairing your watch with an iPhone enables use of a variety of different Mobile Link functions that greatly enhance the iPhone experience. The G-SHOCK Connected app also simplifies certain watch operations by letting you perform them on your phone screen. Visit the website below for details. http://world.g-shock.com/ Please refer to the FAQ link below to resolve problems such as being unable to connect or operate the watch. https://support.casio.com/en/support/faqlist.php?cid=009001019 We recommend using G-SHOCK Connected on the following operating systems. Operation is not guaranteed for any operating system not listed below. Even if an operating system has been confirmed as compatible, software updates or display specifications may prevent proper display and/or operation. ⋅iOS 14 or later. Applicable Watches: GPW-2000, GST-B100, GBA-800, GPR-B1000, GMW-B5000, MTG-B1000, GR-B100, GBD-800, GW-B5600, GWR-B1000, GST-B200, GG-B100, GMA-B800, GMD-B800, GWF-A1000, GST-B300, GR-B200, MTG-B2000, GST-B400 *Some watches unavailable in your region may be displayed in the application. This application uses location information to obtain accurate time. For "Location Service" in iPhone privacy settings, please "Always". If it is not "Always", the application will not work properly. Continued use of GPS running in the background can dramatically decrease battery life.
Nothing X
Manage your smart devices with this comprehensive platform. Connect, customize, and monitor your smartwatches and earbuds. Track your health and fitness data in real-time for a healthier lifestyle.
- Quick pairing with smartwatches and earbuds
- Seamless device connection and management
- Personalized function customization
- Real-time health monitoring (sleep, heart rate, blood oxygen)
- Fitness tracking (routes, steps, heart rate)
- Syncs data to Apple Health
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Nothing X - Your All-in-One Smart Device Manager Nothing X is a professional smart device control and management platform. It supports quick pairing with its smart watches and earbuds, enabling seamless device connection and efficient management. Device Management - Connect and manage Nothing X smart watches and earbuds, easily controlling all device functions. Personalized Customization - Support for customizing functions on watches and earbuds based on personal usage habits, creating a unique user experience. Health Monitoring - Real-time detection of health data such as sleep quality, heart rate, and blood oxygen. Multi-dimensional tracking of health status provides reference for a healthier lifestyle. Fitness Tracking - Real-time recording of daily activities and fitness data, including running routes, heart rate, and step frequency—all fitness metrics are clearly visible. 【Tips】 - This app supports syncing data to Apple Health, where you can view your health data. - GPS is used for recording running routes and updating watch weather; GPS remains active when the app runs in the background during workouts. - Device functions depend on hardware; detected data is for reference only and not intended for medical diagnosis. 【Contact Us】 If you encounter any issues or have suggestions while using the product, you can submit them by going to "My - Help & Feedback" in Nothing X, or by visiting the link: https://nothing.tech/pages/contact-support.
Screenshots
Verdict
G and Nothing X both sit at 4.8 stars, but that hides the real split: 72% of Nothing X's written reviews are positive against 41% of G's. G's advantage is ratings volume (13K vs 3.4K) and iOS requirement (11.0 vs 13.0). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 4.8 for G against 4.7 for Nothing X. Both are backed by a comparable volume of ratings — 13K and 3.4K respectively. Written reviews are what separate them: 41% of G's written reviews are positive against 72% of Nothing X's.
G ships an update every 3 weeks, Nothing X fortnightly. Both last shipped on October 27, 2026.
| Parameter | G | Nothing X |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (13K ratings) — better | 4.7 (3.4K ratings) |
| Positive reviews | 41.1% of reviews | 72.0% of reviews — better |
| Number of ratings | 13K — better | 3.4K |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 313 MB | 359 MB |
| Age rating | 4+ | 4+ |
| Developer | CASIO COMPUTER CO., LTD. | Nothing Technology Limited |
Customer experience
G
Nothing X
User reviews
G
From 13K App Store ratingsWhat we love
- 👍 Easy to use app
- 🚀 Convenient Bluetooth connectivity
- 💪 Durable and reliable watch
- 📊 Useful fitness tracking features
- ⏰ Accurate time keeping
Room to improve
- 🐛 Connectivity issues
- 🔋 Battery drain problems
- 📅 Inaccurate activity date tracking
- 🗺️ Poor mapping and navigation features
- 🤔 Confusing or limited functionality
Nothing X
From 3.4K App Store ratingsWhat we love
- 🚀 Excellent sound quality
- 👍 Great value for the price
- 🔒 Robust noise cancellation
- 💡 Customizable EQ and settings
- 👍 Comfortable and secure fit
Room to improve
- 🐛 Connectivity issues and random disconnects
- 🔋 Battery life could be better
- 🐛 Inconsistent touch controls
- 🐛 Bugs with firmware updates
- 🐛 Unreliable noise cancellation and transparency mode
Bugs and requests
G
Reported bugs
4 issues- App crashes or freezes
- Syncing issues between watch and app
- Incorrect step count or activity data
- Inability to delete or manage data
Requested features
5 requests- Integration with Apple Health or other fitness apps
- More detailed activity data and analytics
- Improved map and navigation capabilities
- Better battery life indicators
- More customization options
Nothing X
Reported bugs
4 issues- Right earbud randomly stops working
- App fails to connect to earbuds
- EQ settings reset unexpectedly
- Noise cancellation turns on/off randomly
Requested features
5 requests- More granular EQ controls
- Ability to disable all touch controls
- Home screen widget for battery levels
- Integration with voice assistants
- Improved wind noise reduction
In-app purchases
G
No in-app purchases
Nothing X
No in-app purchases








