# Off vs Lithium Valley

The clearest difference is iOS requirement: Off at 10.0 against Lithium Valley's 12.0. On price, ads, in-app purchases and device support 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 | Off | Lithium Valley |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 25 MB | 42 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Lithionics Battery LLC](https://appshunter.io/developer/1437635364) | [远飞 周](https://appshunter.io/developer/1618577296) |

## What reviewers say

### Off

[App page](https://appshunter.io/ios/app/off-grid-battery/id1628954601)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lithium Valley

[App page](https://appshunter.io/ios/app/lithium-valley/id6744994329)

**In-app purchases:** none


## Frequently asked questions

### Is Off free?

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

### Is Lithium Valley free?

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

### Do Off or Lithium Valley have ads?

Neither Off nor Lithium Valley 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.*