Comparison

By vs Riello PV

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

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.

Highlights
  • Remote system supervision
  • Control via LAN/Wi-Fi
  • Control via 3G/Internet
  • User-friendly icons
  • Optimized access speed
  • iOS 13+ localization settings
Read full description

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

About

Riello PV

Features
Read full description

Inverter mornitoring App

Screenshots

By4 screens
Riello PV3 screens

Verdict

The call

By and Riello PV are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

By ships an update every 4 months, Riello PV every 3 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

ScorecardNo meaningful differences
By versus Riello PV: the parameters behind the verdict, then further details
ParameterByRiello PV
PriceFreeFree
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 4 monthsEvery 3 months โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.08.0 โ€” better
Further details โ€” not scored
Size41 MB54 MB
Age rating4+17+
DeveloperVimar S.p.A.RPS S.p.a.

In-app purchases

None

By

No in-app purchases

None

Riello PV

No in-app purchases

Questions

Is By free?
By is free to download, with no in-app purchases.
Is Riello PV free?
Riello PV is free to download, with no in-app purchases.
Do By or Riello PV have ads?
Neither By nor Riello PV shows ads.
Which is updated more often, By or Riello PV?
By ships an update every 4 months, and Riello PV every 3 months. Most recently, By was updated on October 20, 2026 and Riello PV on October 25, 2026.

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