# Metric Converters vs SpamSentry

The clearest difference is price: Metric Converters at $0.99 against SpamSentry's $3.99. Metric Converters also leads on iOS requirement (14.1 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Metric Converters costs $0.99 and SpamSentry $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Metric Converters | SpamSentry |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | — |
| Size | 20 MB | 3 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 9+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [贺 周](https://appshunter.io/developer/1815397078) |

## What reviewers say

### Metric Converters

[App page](https://appshunter.io/ios/app/metric-converters/id1570182170)

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

**In-app purchases:** none


### SpamSentry

[App page](https://appshunter.io/ios/app/spamsentry/id6768057841)

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

**In-app purchases:** none


## Frequently asked questions

### Is Metric Converters free?

Metric Converters costs $0.99, with no in-app purchases.

### Is SpamSentry free?

SpamSentry costs $3.99, with no in-app purchases.

### Do Metric Converters or SpamSentry have ads?

Neither Metric Converters nor SpamSentry 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.*