# E vs 2FA.Authenticator

The clearest difference is update cadence: E at every 4 days against 2FA.Authenticator's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. E sells 2 in-app purchases, starting at $6.99 per 7 days and 2FA.Authenticator sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

E ships an update every 4 days, 2FA.Authenticator fortnightly. The most recent releases landed on September 14, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | E | 2FA.Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-sign-documents-pdf-and-docx/id6755127673/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 8 MB | 6 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Yauheni Kudrytski](https://appshunter.io/developer/1843189865) | [Murat Dikenci](https://appshunter.io/developer/1840677360) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-sign-documents-pdf-and-docx/id6755127673)

Easily sign, fill, and send PDF documents directly from your mobile device. Import files from various sources and share them instantly. A subscription unlocks full signing and saving capabilities.

**Highlights:** Electronic signature addition, Form filling, Text, date, and checkmark insertion, Document import from cloud storage, Instant sharing via email/messaging, PDF and Docx support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weakly | $6.99 | per 7 days |
| Weakly trial | $6.99 | per 7 days |


### 2FA.Authenticator

[App page](https://appshunter.io/ios/app/2faauthenticator-securekey/id6755472545)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Pro | $4.99 | per 7 days |
| Authenticator Pro | $39.99 | per year |


## Frequently asked questions

### Is E free?

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

### Is 2FA.Authenticator free?

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

### Do E or 2FA.Authenticator have ads?

Neither E nor 2FA.Authenticator shows ads.

### Which is updated more often, E or 2FA.Authenticator?

E ships an update every 4 days, and 2FA.Authenticator fortnightly. Most recently, E was updated on September 14, 2026 and 2FA.Authenticator on August 20, 2026.

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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.*