Call2U vs DeliosEnergy
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Call2U
Forward calls from an Ipervoice system to your mobile device. Answer calls, control door or car entrance access, and temporarily mute your microphone.
- Call forwarding
- Answer calls remotely
- Door/entrance access control
- Temporary microphone mute
- Ipervoice system integration
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App to forward the call from Ipervoice system to a mobile device. It gets possible to answer, to open the door or the car entrance and to close the mobile microphone for a while.
DeliosEnergy
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DeliosEnergy turns your iPhone and iPad into the dashboard of your solar system powered by a Delios hybrid inverter. The app connects directly to the inverter on your local network โ no cloud, no account, no middleman โ and shows everything that matters in real time: โข SOLAR PRODUCTION โ how much energy your panels are generating right now โข BATTERY โ charge percentage, charging/discharging power and estimated time to full charge or empty โข GRID โ how much energy you are importing from or exporting to the grid โข HOME โ your house's instantaneous consumption โข GREEN ENERGY โ the share of consumption covered by sun and battery, so you can see at a glance how self-sufficient you are The energy flow between sun, battery, grid and home is visualized with an animated diagram, in a clean modern interface with full light and dark mode support. 30-SECOND SETUP Enter the inverter's IP address (or hostname), username and password, run a connection test and you're done. Data refreshes automatically. TOTAL PRIVACY DeliosEnergy collects no data whatsoever: the app only talks to your inverter, on your network. Credentials never leave your device. REQUIREMENTS โข Delios hybrid inverter reachable on the local network (same Wi-Fi) โข iOS 16 or later Note: unofficial app. Delios is a trademark of its respective owners; this app is not affiliated with, sponsored or endorsed by the inverter manufacturer.
Screenshots
Verdict
The clearest difference is in-app purchases: Call2U at none against DeliosEnergy's 1. Call2U also leads on iOS requirement (9.0 vs 16.0). DeliosEnergy's advantage is update cadence (daily vs every 6 months). On price, ads 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. DeliosEnergy sells 1 one-off in-app purchase. Call2U asks for nothing beyond the download.
Call2U ships an update every 6 months, DeliosEnergy daily. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | Call2U | DeliosEnergy |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | โ |
| Update frequency | Every 6 months | Daily โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | Free | โ |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 9.0 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 18 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | URMET SpA | Tommaso Maccagni |
In-app purchases
Call2U
No in-app purchases
DeliosEnergy
- DeliosEnergy Pro$3.99









