# 2FA.Authenticator vs PDF Converter

The clearest difference is device support: PDF Converter at 3 against 2FA.Authenticator's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 15, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 2FA.Authenticator | PDF Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 6 MB | 8 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Murat Dikenci](https://appshunter.io/developer/1840677360) | [裕汉 李](https://appshunter.io/developer/1868711251) |

## What reviewers say

### 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 |


### PDF Converter

[App page](https://appshunter.io/ios/app/pdf-converter-fast-efficient/id6760534390)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF转换器周VIP限时优惠 | $4.99 | per 7 days |
| PDF转换器年VIP特价回馈 | $24.99 | per year |


## Frequently asked questions

### Is 2FA.Authenticator free?

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

### Is PDF Converter free?

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

### Do 2FA.Authenticator or PDF Converter have ads?

Neither 2FA.Authenticator nor PDF Converter shows ads.

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

2FA.Authenticator ships an update fortnightly, and PDF Converter fortnightly. Most recently, 2FA.Authenticator was updated on September 15, 2026 and PDF Converter on September 18, 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.*