# Authenticator App vs ResizerTools

The clearest difference is ads: Authenticator App at none against ResizerTools's shown. Authenticator App also leads on device support (4 vs 2). ResizerTools's advantage is update cadence (weekly vs every 2 weeks). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 6 in-app purchases, starting at $4.19 per 7 days and ResizerTools 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 every 2 weeks, ResizerTools weekly. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Authenticator App | ResizerTools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (86 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-otp/id6480513197/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 106 MB | 14 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tatsat Brahmbhatt](https://appshunter.io/developer/1692901637) | [SAURABH KUMAR SHARMA](https://appshunter.io/developer/6785073830) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-otp/id6480513197)

Secure your online accounts with this 2FA OTP manager. It offers easy account setup via QR code scanning or manual entry, and enhances security with biometric authentication. All one-time passwords are stored locally on your device for increased protection.

**Highlights:** 2FA OTP management, QR code scanning for account setup, Manual code entry, Biometric unlock (fingerprint/face recognition), Local storage of OTPs, Supports numerous platforms

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.19 | per 7 days |
| Weekly | $9.99 | per 7 days |
| Yearly | $29.49 | per year |
| Yearly | $53.90 | per year |
| Lifetime | $59.99 | one-time |
| Lifetime | $79.99 | one-time |


### ResizerTools

[App page](https://appshunter.io/ios/app/resizertools-pdf-editor-maker/id6785073828)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $12.99 | per year |


## Frequently asked questions

### Is Authenticator App free?

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

### Is ResizerTools free?

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

### Do Authenticator App or ResizerTools have ads?

ResizerTools shows ads; Authenticator App does not.

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

Authenticator App ships an update every 2 weeks, and ResizerTools weekly. Most recently, Authenticator App was updated on October 2, 2026 and ResizerTools on October 5, 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.*