By vs Vivaldi
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
By
Control your home automation system remotely. Manage lighting, climate, and security from your smartphone or tablet, whether you're at home or away. Requires specific hardware for Vimar By-me or KNX systems.
- Remote system supervision
- Control via LAN/Wi-Fi
- Control via 3G/Internet
- User-friendly icons
- Optimized access speed
- iOS 13+ localization settings
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By-web - Enables supervising the Vimar By-me home automation system (requiring art. 01945 or art. 01946) or KNX systems (requiring art. 01545), via smartphones and tablets. User-friendly icons let you take full control of the system via LAN or Wi-Fi networks when you are at home or via a 3G/Internet network when you are away from home. Since version 2.0 the By-web app replaces the KNX By-web app for accessing the Vimar KNX web server (art. 01545) for mobile devices with iOS versions compatible with the installation of By-web 2.0. Access speed optimized for Vimar web server versions (art. 01945 or art. 01946) 1.20 and later. Access speed partially optimized for Vimar web server versions (art. 01945 or art. 01946) between 1.10 and 1.19. Access speed not optimized for Vimar web server versions (art. 01945 or art. 01946) 1.9 and earlier. Recommended upgrading the Vimar web server (art. 01945, art. 01946)/Vimar KNX web server (art. 01545) to the latest available version.โ Note: To use the By-web app on devices with iOS 13 or later versions, according to the modifications set by Apple to access information, on the part of Apps, about the connection of the mobile device to wi-fi networks, the following are required: - localisation must be enabled on the mobile device; - the By-web app must have permission to access the localisation information. The By-web app, from version 2.2, includes a guided procedure to make these settings (only for mobile devices with iOS 13 or later versions). Vimar positive energy: products for electrical and home automation systems in residential and service industry locations. https://www.vimar.com
Vivaldi
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Feel your music with the new Vivaldi experiece. With Vivialdi you can play, control and enjoy your favorite songs, choosing among various sources. Spotify, WebRadio, NAS UPnP, Airplay, device local music, USB and Bluetooth. It's your choice to make. Listen to your tracks either from a single device or in a multiroom setup, allowing you to listen from multiple synced devices at once.
Screenshots
Verdict
The clearest difference is update cadence: Vivaldi at every 5 weeks against By's every 4 months. By's advantage is iOS requirement (9.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
By ships an update every 4 months, Vivaldi every 5 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.
| Parameter | By | Vivaldi |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | โ |
| Update frequency | Every 4 months | Every 5 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 9.0 โ better | 18.5 |
| Further details โ not scored | ||
| Size | 41 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Vimar S.p.A. | Vivaldi S.R.L. |
In-app purchases
By
No in-app purchases
Vivaldi
No in-app purchases









