CO vs FancyView
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CO
This app syncs data from a smartwatch, including steps, heart rate, and sleep. It also pushes phone notifications to the watch and allows for watch configuration like alarms and weather updates. Health data is for reference only and not for medical use.
- Sync steps, calories, heart rate, sleep, and exercise
- Display data intuitively with a new UI
- Push phone calls and text messages to the watch
- Configure watch alarms, schedules, and backlighting
- Sync weather and AGPS files for watch location
- Access iPhone Health for real-time data sync
Read full descriptionHide full description
CO FIT is a newly designed and developed app for our new smartwatch collection only. main feature: Sync your steps, calories, mileage, heart rate, sleep and exercise records from your watch. The newly designed UI can display data more intuitively. After binding and authorization, we will push the phone's incoming calls and text messages to the watch to avoid losing information. You can use the app to configure the watch's sedentary alarms, alarms, schedules, backlighting, as well as sync weather and AGPS files (to help the watch locate) and other features for better use of the watch. During use, if you have any questions, you can ask at any time, we will listen to your suggestions and make improvements. Disclaimer: 1. The data displayed by the app is provided by the device, and the app only records and shares 2. All health data displayed in the app are not suitable for medical use, all health data are for reference only, these data should not be used as a substitute for the opinions of health care professionals For accurate data, consult your doctor. Authorization Instructions 1. We will access iPhone Health, sync device data to iPhone Health in real time 2. We will access the mobile phone location to obtain local weather information and synchronize it to the device display
FancyView
This app connects your mobile phone to smart glasses, allowing you to control the glasses' system, manage photos and videos, and utilize an AI voice assistant for questions and object recognition.
- Bluetooth pairing with smart glasses
- Gesture and volume control
- System updates for glasses
- Photo and video synchronization
- AI voice assistant
- AI object recognition
Read full descriptionHide full description
Use FancyView APP to pair and synchronize smart glasses with mobile phones. Main functions: [Glasses operation] Connect the mobile phone and glasses via Bluetooth pairing to achieve precise control of the glasses system, such as adjusting volume, gesture settings, glasses system updates, etc. [Photo/video transmission] Use the glasses WIFI module to launch hotspots, support exporting, synchronizing, viewing, editing, sharing, and saving photos and videos taken by the glasses on the mobile phone; [AI voice assistant] Connect to the AI big model, and realize AI question and answer and AI object recognition under Bluetooth connection;
Screenshots
Verdict
The clearest difference is rating: CO at 4.5 against FancyView's 3.0. CO also leads on ratings volume (1.2K vs 7). FancyView's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, update cadence and in-app purchases 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.
CO holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: CO has 1.2K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 27% of CO's written reviews are positive against 25% of FancyView's.
CO ships an update fortnightly, FancyView every 11 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.
| Parameter | CO | FancyView |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1.2K ratings) — better | 3.0 (7 ratings) |
| Positive reviews | 26.9% of reviews — better | 25.0% of reviews |
| Number of ratings | 1.2K — better | 7 |
| Update frequency | Fortnightly | Every 11 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14 — better | 15.6 |
| Further details — not scored | ||
| Size | 702 MB | 555 MB |
| Age rating | 12+ | 4+ |
| Developer | 深圳叩鼎科技有限责任公司 | Shenzhen Smart Care Technology Co., Ltd |
Customer experience
CO
FancyView
Bugs and requests
CO
Reported bugs
7 issues- Time setting not working
- Watch disconnecting frequently
- Inaccurate step and distance tracking
- Inability to change weight in user profile
- Firmware update bricking the watch
Show 2 moreShow fewer
- Syncing issues with iPhone
- Bluetooth not connecting properly
Requested features
7 requests- More watch face designs
- Customization options for watch faces
- Integration with Apple Health
- Ability to remove unwanted features
- Better language support
Show 2 moreShow fewer
- Improved notification handling
- GPS functionality
FancyView
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CO
No in-app purchases
FancyView
No in-app purchases









