# Auth Authenticator vs eSign

The clearest difference is review sentiment: Auth Authenticator at 100% against eSign's 50%. Auth Authenticator also leads on rating (4.9 vs 4.3). eSign's advantage is update cadence (every 3 days vs every 5 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Auth Authenticator sells 2 in-app purchases, starting at $6.99 per 7 days and eSign sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Auth Authenticator holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 28 and 18 respectively. Written reviews point the same way: 100% of Auth Authenticator's written reviews are positive against 50% of eSign's.

Auth Authenticator ships an update every 5 weeks, eSign every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Auth Authenticator | eSign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (28 ratings)](https://appshunter.io/ios/app/auth-authenticator-2fa-and-mfa/id6742376474/reviews)** | [4.3 (18 ratings)](https://appshunter.io/ios/app/esign-fill-and-sign-documents/id6742737751/reviews) |
| Number of ratings | **28** | 18 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 105 MB | 30 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Enveloc, Inc](https://appshunter.io/developer/6785535852) | [Timon Scherzinger](https://appshunter.io/developer/1895022963) |

## What reviewers say

### Auth Authenticator

[App page](https://appshunter.io/ios/app/auth-authenticator-2fa-and-mfa/id6742376474)

Secure your accounts with advanced two-factor authentication and biometric protection. This app provides instant access to OTP codes, syncs across devices, and allows for easy QR code generation. It offers robust security features with a sleek, intuitive interface.

**Highlights:** End-to-end encryption, Biometric lock (Face ID), Instant OTP code access, Cross-device sync (iPhone, iCloud, Watch), Home screen widgets, QR code generation

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $19.99 | per month |


### eSign

[App page](https://appshunter.io/ios/app/esign-fill-and-sign-documents/id6742737751)

Digitize, fill, and sign documents with your device's camera or stylus. Import from cloud storage, attach files, and share instantly. No login or subscription required for basic use.

**Highlights:** Scan documents with camera, Fill forms with text, images, and more, Add hand-drawn or imported signatures, Import documents from cloud storage, Attach additional documents, Print documents directly

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $19.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Auth Authenticator free?

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

### Is eSign free?

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

### Which has better reviews, Auth Authenticator or eSign?

Auth Authenticator is rated higher. Auth Authenticator averages 4.9 out of 5 from 28 ratings, while eSign averages 4.3 from 18 ratings.

### Do Auth Authenticator or eSign have ads?

Neither Auth Authenticator nor eSign shows ads.

### Which is updated more often, Auth Authenticator or eSign?

Auth Authenticator ships an update every 5 weeks, and eSign every 3 days. Most recently, Auth Authenticator was updated on October 24, 2026 and eSign on October 24, 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.*