# Stromtastic vs Opti ONE

Stromtastic and Opti ONE 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 | Stromtastic | Opti ONE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 90 MB | 80 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stromtastic GmbH](https://appshunter.io/developer/1790833069) | [Opti Power GmbH](https://appshunter.io/developer/1884834052) |

## What reviewers say

### Stromtastic

[App page](https://appshunter.io/ios/app/stromtastic/id6740620923)

**Features:** macOS Compatibility

**In-app purchases:** none


### Opti ONE

[App page](https://appshunter.io/ios/app/opti-one/id6760532889)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stromtastic free?

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

### Is Opti ONE free?

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

### Do Stromtastic or Opti ONE have ads?

Neither Stromtastic nor Opti ONE shows ads.

---

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