The Bell vs UV Tactus
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
The Bell
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Introducing The Bell, a timer app designed for high-intensity interval workouts that prioritizes simplicity and ease of use. With The Bell, you can easily configure your workout, start the timer, and focus on your training. The app integrates with Apple Health to provide real-time monitoring of your heart rate and active energy during your workout. Additionally, completed workouts are automatically logged in your Activity history and contribute to your daily activity goals. Whether you're a fitness enthusiast or just looking to improve your overall health, The Bell is a useful tool to keep you on track and motivated during your workouts.
UV Tactus
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Tactus mobile app is the ultimate companion to UV Tactus phototherapy device for psoriasis, eczema and vitiligo. It simplifies, automates and personalizes your therapy with structured guidance, reminders and progress tracking β helping you stay on course with ease. Key features: - Customized Treatment Plans β Create and organize treatments by body zones. - Guided treatments β Follow step-by-step instructions and get personalized dose recommendations for each session. - Progress tracking β Add notes, photos, and share reports with your doctor - Reminders βSchedule treatments and stay consistent with automatic notifications for upcoming treatments. - Automatic Treatment Organization β Categorize treatments by status, body zones, and date for seamless tracking. - Easy to use interface β Navigate treatments effortlessly with a simple, intuitive design. With the help of UV Tactus app, treatments are easy to follow, convenient and organized, keeping you motivated and on track. UV Tactus is a CE- marked phototherapy medical device to use at home and in clinic. Powered by 16 LEDs, it delivers uniform and targeted narrowband UVB light (311 nm)βthe gold standard for psoriasis, eczema, and vitiligo treatment. The integrated dosimeter provides real time control and precise, safe doses every time. Flexible 4 zone selection minimizes unnecessary UV exposure. Meeting the highest safety and quality standards, UV Tactus offers an effective, controlled, and personalized phototherapy experience.
Screenshots
Verdict
The clearest difference is update cadence: UV Tactus at fortnightly against The Bell's every 34 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
The Bell ships an update every 34 months, UV Tactus fortnightly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.
| Parameter | The Bell | UV Tactus |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 34 months | Fortnightly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod β better |
| Requires iOS | 16.4 | 15.0 β better |
| Further details β not scored | ||
| Size | 9 MB | 43 MB |
| Age rating | 4+ | 17+ |
| Developer | Frederic Maquin | SCI HEALTH |
In-app purchases
The Bell
No in-app purchases
UV Tactus
No in-app purchases









