Blusafe vs Time.C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blusafe
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Blusafe technology enables users to unlock their door without using a physical key. This is done via a Blusafe / greenteQ Q-Smart door handle. Simply open the app on your phone, tap the lock to ‘wake it up’ and the handle will ‘unlock’ the door, allowing you to access your home. Simply lock the door again by lifting the handle. If you don’t operate the handle within 30 seconds, the door will revert to locked status, preserving your security. Blusafe enables you to send e-keys to your friends and family from anywhere in the world. Manage your e-key holders instantly from the app.
Time.C
This app combines traditional watchmaking with advanced sensor technology to measure various environmental and personal metrics. It monitors physical activity, heart rate, and skin temperature, while also detecting indoor pollution, ambient conditions, and light levels.
- Heart rate monitoring
- Physical activity recognition
- Indoor pollution detection (CO2, VOC)
- Ambient condition measurement (temperature, humidity, light, noise)
- UV index measurement
- Sound-level meter
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Time.C is the combination of pure Swiss watchmaking tradition and integrated sensor technology for high-precision clockwork and measurement. Features of Time.C: - Clock, hour and minute - A retrograde gauge displays different measures related to oneself and one’s environment directly on the dial. Time.C on the wrist - Monitoring and recognition of physical activity by Artificial Intelligence - Heart rate - Skin temperature Time.C set down - Indoor pollution by measuring carbon dioxide (CO2) and volatile organic compounds (VOC) - Ambient temperature - Ambient relative humidity - Ambient light - Ambient noise Instant measurement tools - UV light meter to measure the UV index - Sound-level meter to measure noise levels - Light meter for ambient light levels
Screenshots
Verdict
The clearest difference is update cadence: Blusafe at every 2 months against Time.C's every 10 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.
Blusafe ships an update every 2 months, Time.C every 10 months. The most recent releases landed on October 1, 2026 and October 17, 2026 respectively.
| Parameter | Blusafe | Time.C |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 13 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Ningbo Tianbao Hardware Co., Ltd. | IEVA |
In-app purchases
Blusafe
No in-app purchases
Time.C
No in-app purchases









