# 2FA Authenticator vs Seiri

The clearest difference is in-app purchases: Seiri at none against 2FA Authenticator's 4. 2FA Authenticator's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 2FA Authenticator sells 4 in-app purchases, starting at $4.99 per 7 days. Seiri asks for nothing beyond the download.

## The numbers

| Metric | 2FA Authenticator | Seiri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/2fa-authenticator-mfaotpauth/id6503233227/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 71.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Monetization | Freemium | — |
| Size | 32 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [朝虹 陈](https://appshunter.io/developer/1678918725) | [FILIPE AUGUSTO DA LUZ LEMOS](https://appshunter.io/developer/1896755938) |

## What reviewers say

### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-mfaotpauth/id6503233227)

This app provides robust digital security for your online accounts using end-to-end encryption. It simplifies adding accounts, securely backs up and syncs your data, and offers offline password generation. Manage all your passwords and generate strong ones with ease.

**Highlights:** Effortless account addition via QR code, Secure data backup and cross-device sync, Offline one-time password generation, Password manager for central organization, Customizable strong password generator, Face ID and Touch ID secure access

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Weekly | $4.99 | per 7 days |
| Authenticator - Weekly | $4.99 | per 7 days |
| Authenticator Yearly | $39.99 | per year |
| Authenticator Lifetime | $39.99 | one-time |


### Seiri

[App page](https://appshunter.io/ios/app/seiri/id6776064097)

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

**In-app purchases:** none


## Frequently asked questions

### Is 2FA Authenticator free?

2FA Authenticator is free to download, with in-app purchases available.

### Is Seiri free?

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

### Do 2FA Authenticator or Seiri have ads?

Neither 2FA Authenticator nor Seiri 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.*