# Authenticator App vs eSign

The clearest difference is ads: Authenticator App at none against eSign's shown. Authenticator App also leads on rating (4.8 vs 4.4) and update cadence (every 3 days vs every 8 days). eSign's advantage is ratings volume (19 vs 5) and iOS requirement (14.0 vs 17.6). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Authenticator App sells 2 in-app purchases, starting at $6.99 per 7 days and eSign sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator App holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 5 and 19 respectively.

Authenticator App ships an update every 3 days, eSign every 8 days. The most recent releases landed on September 10, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Authenticator App | eSign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/authenticator-app-duo-factor/id6740918422/reviews)** | [4.4 (19 ratings)](https://appshunter.io/ios/app/esign-fill-and-sign-documents/id6745007255/reviews) |
| Number of ratings | 5 | **19** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 50 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Dolgov](https://appshunter.io/developer/1820242417) | [Solmere Grimson](https://appshunter.io/developer/1810408321) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-duo-factor/id6740918422)

Transform your living spaces with AI-powered interior design suggestions. Upload a photo of your room, choose a style, and see instant visual changes. Save and share your design ideas with ease.

**Highlights:** Real-time room transformation, Endless design inspiration, Diverse style options, Save and share designs, Intuitive interface, Latest interior design trends

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly trial subscription | $6.99 | per 7 days |
| Weekly subscription | $6.99 | per 7 days |


### eSign

[App page](https://appshunter.io/ios/app/esign-fill-and-sign-documents/id6745007255)

Digitally sign and manage PDF documents directly from your iPhone. Add signatures, stamps, or initials to existing PDFs for free. Unlock advanced features like scanning and unlimited PDF creation with a subscription.

**Highlights:** Sign PDF documents digitally, Add signatures, stamps, and initials, Manage and organize signed documents, Scan new documents with camera, Convert images to PDF, Create reusable signatures

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $17.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Authenticator App free?

Authenticator App 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, Authenticator App or eSign?

Authenticator App is rated higher. Authenticator App averages 4.8 out of 5 from 5 ratings, while eSign averages 4.4 from 19 ratings.

### Do Authenticator App or eSign have ads?

eSign shows ads; Authenticator App does not.

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

Authenticator App ships an update every 3 days, and eSign every 8 days. Most recently, Authenticator App was updated on September 10, 2026 and eSign on June 11, 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.*