# DigSig Authenticator vs AquaMetr

The clearest difference is iOS requirement: DigSig Authenticator at 15.6 against AquaMetr's 17.6. On price 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 | DigSig Authenticator | AquaMetr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Monthly |
| Size | 56 MB | 25 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Sieveo GmbH](https://appshunter.io/developer/1709852825) | [SILICON CRAFT TECHNOLOGY PUBLIC COMPANY LIMITED](https://appshunter.io/developer/1279674870) |

## What reviewers say

### DigSig Authenticator

[App page](https://appshunter.io/ios/app/digsig-authenticator/id6468394792)

**In-app purchases:** none


### AquaMetr

[App page](https://appshunter.io/ios/app/aquametr/id6741795863)

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

**In-app purchases:** none


## Frequently asked questions

### Is DigSig Authenticator free?

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

### Is AquaMetr free?

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

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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.*