# Vault Data vs Watt CS

The clearest difference is price: Vault Data at Free against Watt CS's $0.99. Watt CS's advantage is iOS requirement (16.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Vault Data is free to download; Watt CS costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Vault Data | Watt CS |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 3 MB | 37 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Giant Little Games, LLC](https://appshunter.io/developer/418103485) | [Aakash Sajjad](https://appshunter.io/developer/1647335569) |

## What reviewers say

### Vault Data

[App page](https://appshunter.io/ios/app/vault-data/id6444740521)

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

**In-app purchases:** none


### Watt CS

[App page](https://appshunter.io/ios/app/watt-cs-charging-speed-meter/id6766040428)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vault Data free?

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

### Is Watt CS free?

Watt CS costs $0.99, with no in-app purchases.

### Do Vault Data or Watt CS have ads?

Neither Vault Data nor Watt CS 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.*