# Call2U vs DeliosEnergy

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.

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.

## The numbers

| Metric | Call2U | DeliosEnergy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Daily** |
| Monetization | Free | — |
| Size | 18 MB | 1 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [URMET SpA](https://appshunter.io/developer/380918208) | [Tommaso Maccagni](https://appshunter.io/developer/1559383448) |

## What reviewers say

### Call2U

[App page](https://appshunter.io/ios/app/call2u/id1000557721)

Forward calls from an Ipervoice system to your mobile device. Answer calls, control door or car entrance access, and temporarily mute your microphone.

**Highlights:** Call forwarding, Answer calls remotely, Door/entrance access control, Temporary microphone mute, Ipervoice system integration

**Features:** macOS Compatibility

**In-app purchases:** none


### DeliosEnergy

[App page](https://appshunter.io/ios/app/deliosenergy/id1611779013)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeliosEnergy Pro | $3.99 | one-time |


## Frequently asked questions

### Is Call2U free?

Call2U is free to download, with no in-app purchases.

### Is DeliosEnergy free?

DeliosEnergy is free to download, with in-app purchases available.

### Do Call2U or DeliosEnergy have ads?

Neither Call2U nor DeliosEnergy shows ads.

### Which is updated more often, Call2U or DeliosEnergy?

Call2U ships an update every 6 months, and DeliosEnergy daily. Most recently, Call2U was updated on November 1, 2026 and DeliosEnergy on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*