# Metrics Data vs Tank Volume Calculator +

The clearest difference is iOS requirement: Tank Volume Calculator + at 14.0 against Metrics Data's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Metrics Data sells 4 in-app purchases, starting at $2.99 per month and Tank Volume Calculator + sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Metrics Data | Tank Volume Calculator + |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 13 MB | 10 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hilthart Pedersen](https://appshunter.io/developer/1875942631) | [Vaghani Keyur](https://appshunter.io/developer/1164464860) |

## What reviewers say

### Metrics Data

[App page](https://appshunter.io/ios/app/metrics-data/id6758959570)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $2.99 | per month |
| Premium half-year | $3.99 | per 6 months |
| Premium Annual | $8.99 | per year |
| Premium Lifetime Access | $24.99 | one-time |


### Tank Volume Calculator +

[App page](https://appshunter.io/ios/app/tank-volume-calculator-plus/id6773309195)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $9.99 | per year |


## Frequently asked questions

### Is Metrics Data free?

Metrics Data is free to download, with in-app purchases available.

### Is Tank Volume Calculator + free?

Tank Volume Calculator + is free to download, with in-app purchases available.

### Do Metrics Data or Tank Volume Calculator + have ads?

Neither Metrics Data nor Tank Volume Calculator + 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.*