# PDF Watermark Assistant vs Note Calculator Plus

The clearest difference is price: PDF Watermark Assistant at $0.99 against Note Calculator Plus's $2.99. PDF Watermark Assistant also leads on iOS requirement (16.6 vs 26.5). On ads, in-app purchases and device support there is nothing between them.

PDF Watermark Assistant costs $0.99 and Note Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PDF Watermark Assistant | Note Calculator Plus |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 5 MB | 13 MB |
| Requires iOS | **16.6** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [Vijayvir Singh](https://appshunter.io/developer/1469680736) |

## What reviewers say

### PDF Watermark Assistant

[App page](https://appshunter.io/ios/app/pdf-watermark-assistant/id6747923103)

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

**In-app purchases:** none


### Note Calculator Plus

[App page](https://appshunter.io/ios/app/note-calculator-plus/id6791851793)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Watermark Assistant free?

PDF Watermark Assistant costs $0.99, with no in-app purchases.

### Is Note Calculator Plus free?

Note Calculator Plus costs $2.99, with no in-app purchases.

### Do PDF Watermark Assistant or Note Calculator Plus have ads?

Neither PDF Watermark Assistant nor Note Calculator Plus shows ads.

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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.*