# oqdo | smart buildings vs E

oqdo | smart buildings and E are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | oqdo | smart buildings | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 20 MB | 100 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [oqdo](https://appshunter.io/developer/1659460553) | [Reisenbauer Solutions GmbH](https://appshunter.io/developer/1654470686) |

## What reviewers say

### oqdo | smart buildings

[App page](https://appshunter.io/ios/app/oqdo-smart-buildings/id1659460551)

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-power-solutions/id6753717344)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is oqdo | smart buildings free?

oqdo | smart buildings is free to download, with no in-app purchases.

### Is E free?

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

### Do oqdo | smart buildings or E have ads?

Neither oqdo | smart buildings nor E shows ads.

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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.*