Fitdays+ vs Rayin view
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fitdays+
This app serves as a central hub for multiple smart health monitoring devices. It provides detailed nutritional analysis, body measurements, and fitness tracking to guide users toward a healthier lifestyle and professional health management.
- Multi-device support
- Nutritional analysis
- Body girth measurement
- Height tracking
- Accuracy statistics
- Family health monitoring
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App instruction Fitdays+, Multi device in one App, smart health monitor, covering smart body fat instrument, nutritional analysis, Body girth measurement, Height measurement and etc devices, support fitness, weight loss, body parameter data record and etc. Fitdays+, help you go get professional health management, guide you to a health life. Main function 8 Electrode: AC proposal + dual frequency, more professional to analysis your body health. 24 users: one account support 24 users, to monitor your family's healthy life. Nutrition monitor: Smart analysis, various food code list, record your healthy diet. Accuary statistics: support accuracy record for Kcal & nutrition by week/month/year. Body girth measurement: fast measurement, fast record. Body shape management: Generate body Girth data chart, accuracy record for every slight changes. Fast height tracking: Fast height measurement, say good bye to complex operation. Track height growth changes easyly, record height growth trend in time.
Rayin view
This app enhances the experience of using smart glasses by providing a stable connection for real-time sports data collection. It also offers audio customization for music and allows for convenient call answering directly from your glasses.
- Smart glasses pairing and connection
- Real-time sports data collection (steps, distance, calories)
- Professional-grade equalizer for audio customization
- Convenient call answering from glasses
- Continuous updates for latest technology
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App Store Content: Enjoy a healthier and more active life with Rayin view app! Rayin view makes the use of smart glasses more colorful with its simple and easy-to-use interface design and powerful and stable functional performance. Whether you are a technology trendsetter, a sports athlete, or someone who pursues a convenient life, it will become your indispensable assistant. The main features of Rayin view include: 1. Convenient adaptation and deep interconnection. Open the app, easily pair with smart glasses, and enjoy a stable connection. It can collect sports data recorded by glasses in real time, and the cumulative number of steps, distance measurement, and calorie burning data are all under control, providing accurate insights for your fitness planning and helping to shape a healthy lifestyle. 2. Sound customization, free to control. Equipped with professional-grade equalizer tools, it deeply fits your music taste and listening preferences, and carefully carves the audio spectrum. The elegance of classical music, the passion of rock music, and the vitality of pop music can all present you with the most ideal sound quality effects, making every listening a feast for the ears. 3. Diverse interactions and unlimited expansion. Easily answer important calls on the glasses with clear voice, allowing you to communicate conveniently when you are busy. You can enjoy more features with the help of mobile phone or Wi-Fi connection. By constantly updating to keep up with the latest technology and continuously improving the user experience, Rayin view App is your perfect partner no matter what. Download Rayin view App now! Start an unprecedented smart glasses experience journey and let technology empower your life.
Screenshots
Verdict
The clearest difference is rating: Fitdays+ at 4.4 against Rayin view's 1.6. Fitdays+ also leads on ratings volume (839 vs 8) and review sentiment (16% vs 0%). Rayin view's advantage is update cadence (every 10 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
Fitdays+ holds the better App Store score, 4.4 against 1.6. That said, the two scores are not equally well evidenced: Fitdays+ has 839 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 16% of Fitdays+'s written reviews are positive against 0% of Rayin view's.
Fitdays+ ships an update every 3 weeks, Rayin view every 10 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Fitdays+ | Rayin view |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (839 ratings) — better | 1.6 (8 ratings) |
| Positive reviews | 15.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 839 — better | 8 |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 134 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | GUANGDONG ICOMON TECHNOLOGY CO., LTD | 小丽 张 |
Customer experience
Fitdays+
Rayin view
Bugs and requests
Fitdays+
Reported bugs
4 issues- Incorrect weight and body metric readings
- App crashes and data loss
- Barcode scanning and food database issues
- Bluetooth connectivity problems
Requested features
4 requests- Improved data syncing and historical trending
- More comprehensive body composition analysis
- Seamless multi-user support
- Better Apple Health integration
Rayin view
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Fitdays+
No in-app purchases
Rayin view
No in-app purchases









