# ERA Immobilier vs Otter 2FA Authenticator

The clearest difference is device support: ERA Immobilier at 3 against Otter 2FA Authenticator's 1. ERA Immobilier also leads on iOS requirement (13.0 vs 16.4). On price, ads 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 | ERA Immobilier | Otter 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 59 MB | 40 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ERA France](https://appshunter.io/developer/441906248) | [Robin Guinant](https://appshunter.io/developer/1858308656) |

## What reviewers say

### ERA Immobilier

[App page](https://appshunter.io/ios/app/era-immobilier/id1669765790)

**Features:** macOS Compatibility

**In-app purchases:** none


### Otter 2FA Authenticator

[App page](https://appshunter.io/ios/app/otter-2fa-authenticator/id6809246709)

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

**In-app purchases:** none


## Frequently asked questions

### Is ERA Immobilier free?

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

### Is Otter 2FA Authenticator free?

Otter 2FA Authenticator is free to download, with no in-app purchases.

### Do ERA Immobilier or Otter 2FA Authenticator have ads?

Neither ERA Immobilier nor Otter 2FA Authenticator 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.*