# HNB Authenticator vs PlainPDF

The clearest difference is ads: HNB Authenticator at none against PlainPDF's shown. HNB Authenticator also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HNB Authenticator ships an update every 2 months, PlainPDF every 4 months. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HNB Authenticator | PlainPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hnb-authenticator/id6447000431/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 24 MB | 8 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Hatton National Bank](https://appshunter.io/developer/880560643) | [Swaminathan L](https://appshunter.io/developer/1193474389) |

## What reviewers say

### HNB Authenticator

[App page](https://appshunter.io/ios/app/hnb-authenticator/id6447000431)

This app provides a secure and straightforward method for authenticating sign-ins and transactions. It also allows for offline generation of One-Time Passwords (OTPs) via SMS for mobile data usage.

**Highlights:** Secure authentication, Transaction authentication, Offline OTP generation, SMS-based OTPs, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### PlainPDF

[App page](https://appshunter.io/ios/app/plainpdf-scanner-and-pdf-editor/id6780193988)

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

**In-app purchases:** none


## Frequently asked questions

### Is HNB Authenticator free?

HNB Authenticator is free to download, with no in-app purchases.

### Is PlainPDF free?

PlainPDF is free to download, with no in-app purchases.

### Do HNB Authenticator or PlainPDF have ads?

PlainPDF shows ads; HNB Authenticator does not.

### Which is updated more often, HNB Authenticator or PlainPDF?

HNB Authenticator ships an update every 2 months, and PlainPDF every 4 months. Most recently, HNB Authenticator was updated on October 12, 2026 and PlainPDF on October 6, 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.*