# Authenticator App vs PDF Impact

The clearest difference is update cadence: Authenticator App at fortnightly against PDF Impact's every 2 months. Authenticator App also leads on iOS requirement (13.4 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator App sells 10 in-app purchases, starting at $0.99 per 7 days and PDF Impact sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Authenticator App ships an update fortnightly, PDF Impact every 2 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Authenticator App | PDF Impact |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-auth/id6737840309/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 39.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 85 MB |
| Requires iOS | **13.4** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UNIVERSE DIJITAL HIZMETLER LIMITED SIRKETI](https://appshunter.io/developer/1778239049) | [Senthil Kumar Rangaiyan](https://appshunter.io/developer/1589605125) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-auth/id6737840309)

This app provides a robust layer of security for your online accounts through two-factor authentication (2FA). It generates unique, time-based codes to protect sensitive information and prevent unauthorized access to your digital profiles.

**Highlights:** Secure 2FA codes generation, Multi-platform compatibility, Offline code access, Time-based authentication codes, Account protection

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Weekly | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| Weekly PreD | $6.99 | per 7 days |
| Weekly Plus | $7.99 | per 7 days |
| Monthly Plus | $14.99 | per month |
| Monthly Pro+ | $24.99 | per month |
| Yearly Plus | $39.99 | per year |
| Yearly Pro | $49.99 | per year |
| Yearly Pro+ | $59.99 | per year |


### PDF Impact

[App page](https://appshunter.io/ios/app/pdf-impact-editor-and-reader/id6788404460)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Impact Monthly | $1.99 | per month |
| 3 Months (Save 16%) | $4.99 | per 3 months |


## Frequently asked questions

### Is Authenticator App free?

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

### Is PDF Impact free?

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

### Do Authenticator App or PDF Impact have ads?

Both Authenticator App and PDF Impact show ads.

### Which is updated more often, Authenticator App or PDF Impact?

Authenticator App ships an update fortnightly, and PDF Impact every 2 months. Most recently, Authenticator App was updated on October 30, 2026 and PDF Impact 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.*