Elvaco OTC vs Hydrolink Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Elvaco OTC
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The Elvaco OTC App makes configuring and deployment of your devices easy! Features of Elvaco OTC App: - Claim devices and associated keys to your user account. - Scan and write settings to your devices. - Create configuration profiles to facilitate deployment and configuration. - Lock your devices to prevent unauthorized access. Do you have questions or feedback about the app? Feel free to contact info@elvaco.se
Hydrolink Mobile
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New Hydrolink Mobile app improved with a new graphic design and user experience. This App allows the reading of the wireless data transmitted by the B METERS water meters, heat meters, room sensors and heat cost allocators. It requires the use of the mod. RFM-RBT2 receiver, for any additional information please contact B METERS s.r.l.
Screenshots
Verdict
Elvaco OTC and Hydrolink Mobile are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Elvaco OTC ships an update monthly, Hydrolink Mobile every 6 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | Elvaco OTC | Hydrolink Mobile |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 14 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Elvaco AB | B METERS s.r.l. |
In-app purchases
Elvaco OTC
No in-app purchases
Hydrolink Mobile
No in-app purchases
Questions
Is Elvaco OTC free?
Is Hydrolink Mobile free?
Do Elvaco OTC or Hydrolink Mobile have ads?
Which is updated more often, Elvaco OTC or Hydrolink Mobile?
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