# VOLTS vs Concify

The clearest difference is device support: VOLTS at 2 against Concify's —. Concify's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | VOLTS | Concify |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 27 MB | 67 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [VOLTS BATTERY](https://appshunter.io/developer/1542763294) | [ESPAIR EESA, AO](https://appshunter.io/developer/1626270791) |

## What reviewers say

### VOLTS

[App page](https://appshunter.io/ios/app/volts-energy-storage/id1531165470)

Manage your home energy storage system with this app. Monitor consumption, charge from the grid or solar panels, and ensure a reliable power supply during outages. Create a smart, energy-efficient home.

**Highlights:** Energy storage management, Consumption monitoring, Grid and solar charging, Automatic outage switching, Smart home integration, Capacity scaling

**Features:** macOS Compatibility

**In-app purchases:** none


### Concify

[App page](https://appshunter.io/ios/app/concify/id6463781049)

**In-app purchases:** none


## Frequently asked questions

### Is VOLTS free?

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

### Is Concify free?

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

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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.*