# PDF Scanner ⋅ vs Watr Matr

The clearest difference is ads: PDF Scanner ⋅ at none against Watr Matr's shown. PDF Scanner ⋅ also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (14.1 vs 16.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Scanner ⋅ sells 1 one-off in-app purchase and Watr Matr sells 7 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Scanner ⋅ ships an update fortnightly, Watr Matr every 2 months. The most recent releases landed on October 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PDF Scanner ⋅ | Watr Matr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/pdf-scanner/id1668675883/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 11 MB |
| Requires iOS | **14.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Silver Elm Systems LLC](https://appshunter.io/developer/689766056) | [Ranjan Mallick](https://appshunter.io/developer/838838477) |

## What reviewers say

### PDF Scanner ⋅

[App page](https://appshunter.io/ios/app/pdf-scanner/id1668675883)

Easily scan, edit, and sign PDF documents directly from your phone. Features include auto-cropping, form filling, highlighting, and printing capabilities. Organize and manage your scanned documents efficiently.

**Highlights:** Document scanning with auto-cropping, Edit and fill PDF forms, Markup and highlight PDFs, Digital signature functionality, Organize and save scans, Print PDFs wirelessly

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Scanner Premium | $29.99 | one-time |


### Watr Matr

[App page](https://appshunter.io/ios/app/watr-matr-hydration-log/id6775948192)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $24.99 | per year |
| Coins 100 | $0.99 | one-time |
| Coins 500 | $3.99 | one-time |
| Coins 1200 | $7.99 | one-time |
| Coins 2500 | $14.99 | one-time |
| Coins 5000 | $24.99 | one-time |


## Frequently asked questions

### Is PDF Scanner ⋅ free?

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

### Is Watr Matr free?

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

### Do PDF Scanner ⋅ or Watr Matr have ads?

Watr Matr shows ads; PDF Scanner ⋅ does not.

### Which is updated more often, PDF Scanner ⋅ or Watr Matr?

PDF Scanner ⋅ ships an update fortnightly, and Watr Matr every 2 months. Most recently, PDF Scanner ⋅ was updated on October 24, 2026 and Watr Matr on September 30, 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.*