Vastfit vs COCOUSA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vastfit
This app syncs data from a compatible smartwatch, displaying daily activity, health metrics, and sleep patterns. It allows for watch customization, notification management, and setting health and activity goals. Users can also initiate health measurements and track outdoor sports with GPS.
- Automatic data synchronization
- Daily, weekly, monthly activity graphs
- Health metric tracking (heart rate, BP, SpO2)
- Sleep data analysis
- Watch customization and settings
- Notification management
- GPS sports tracking
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Using our smartwatch and its accompanying Vastfit app enables you to: ● The app automatically synchronizes the phone system time, language and local weather information to the watch ● The watch automatically syncs data to the app and displays graphs by day, week, and month, including: ○ Daily total steps, duration, distance and calories burned ○ Sports records ○ Last measured heart rate, body temperature, blood oxygen and blood pressure ○ Sleep data from the previous night ● Set up the watch's time system, watch face, alarm clocks, phone book, emergency contact, do not disturb, and turning on the watch screen when raising the wrist ● Set up notifications for SMS, incoming calls and app messages ● Set up drinking reminder, sedentary reminder, daily goals (sleep duration, exercise duration, exercise distance, steps, calories burned) and goal achievement reminder ● Set up timed measurement of heart rate and body temperature ● Measure heart rate, body temperature, blood oxygen and blood pressure with one click ● Play sports involving map and positioning tracks, including walking, running, cycling, and trekking ● Other features, such as updating watch firmware, finding the watch
COCOUSA
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Using our smartwatch and its accompanying COCOUSA app enables you to: ● You can use all features of the app without registering and logging in, and your stored data will be cleared when you decide to leave. ● The app automatically synchronizes the phone system time, language and local weather information to the watch ● The watch automatically syncs data to the app and displays graphs by day, week, and month, including: ○ Daily total steps, duration, distance and calories burned ○ Sports records ○ Last measured heart rate, body temperature, blood oxygen and blood pressure ○ Sleep data from the previous night ● Set up the watch's time system, watch face, alarm clocks, phone book, emergency contact, do not disturb, and turning on the watch screen when raising the wrist ● Set up notifications for SMS, incoming calls and app messages ● Set up drinking reminder, sedentary reminder, daily goals (sleep duration, exercise duration, exercise distance, steps, calories burned) and goal achievement reminder ● Set up timed measurement of heart rate and body temperature ● Measure heart rate, body temperature, blood oxygen and blood pressure with one click ● Play sports involving map and positioning tracks, including walking, running, cycling, and trekking (Continued location updates in the background may reduce phone battery life) ● Supports for synchronizing a user's exercise data to the Health app. With the user's permission, COCOUSA synchronizes the generated or acquired exercise data such as steps, distance and calories to the Health app ● Other features, such as updating watch firmware, finding the watch
Screenshots
Verdict
The clearest difference is ads: Vastfit at none against COCOUSA's shown. COCOUSA's advantage is update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement 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.
Vastfit ships an update every 3 months, COCOUSA every 3 weeks. The most recent releases landed on September 19, 2026 and August 15, 2026 respectively.
| Parameter | Vastfit | COCOUSA |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (22 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 22 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 221 MB | 176 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Weir Health Technology Co., Ltd | 平萍 毕 |
In-app purchases
Vastfit
No in-app purchases
COCOUSA
No in-app purchases









