# NOX Energy vs theflipclock

The clearest difference is device support: NOX Energy at 3 against theflipclock's 1. NOX Energy also leads on iOS requirement (15.1 vs 17.6). On price, ads 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 | NOX Energy | theflipclock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 57 MB | 0 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MOX Australia Pty Ltd](https://appshunter.io/developer/980178050) | [Jimmy Lai](https://appshunter.io/developer/1848621963) |

## What reviewers say

### NOX Energy

[App page](https://appshunter.io/ios/app/nox-energy/id6469999749)

**Features:** macOS Compatibility

**In-app purchases:** none


### theflipclock

[App page](https://appshunter.io/ios/app/theflipclock/id6756780615)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NOX Energy free?

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

### Is theflipclock free?

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

### Do NOX Energy or theflipclock have ads?

Neither NOX Energy nor theflipclock 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.*