# All Document Scanner & PDF vs Quick Unit Currency

The clearest difference is in-app purchases: All Document Scanner & PDF at none against Quick Unit Currency's 1. Quick Unit Currency's advantage is ads (none vs shown) and update cadence (every 3 months vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Quick Unit Currency sells 1 one-off in-app purchase. All Document Scanner & PDF asks for nothing beyond the download.

All Document Scanner & PDF ships an update every 9 months, Quick Unit Currency every 3 months. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | All Document Scanner & PDF | Quick Unit Currency |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 3 months** |
| Size | 42 MB | 25 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saad Ameen](https://appshunter.io/developer/1680660990) | [MBDTECH LTD](https://appshunter.io/developer/1817225204) |

## What reviewers say

### All Document Scanner & PDF

[App page](https://appshunter.io/ios/app/all-document-scanner-and-pdf/id6447230802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quick Unit Currency

[App page](https://appshunter.io/ios/app/quick-unit-currency/id6756127690)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove_ads_lifetime_unit | $1.99 | one-time |


## Frequently asked questions

### Is All Document Scanner & PDF free?

All Document Scanner & PDF is free to download, with no in-app purchases.

### Is Quick Unit Currency free?

Quick Unit Currency is free to download, with in-app purchases available.

### Do All Document Scanner & PDF or Quick Unit Currency have ads?

All Document Scanner & PDF shows ads; Quick Unit Currency does not.

### Which is updated more often, All Document Scanner & PDF or Quick Unit Currency?

All Document Scanner & PDF ships an update every 9 months, and Quick Unit Currency every 3 months. Most recently, All Document Scanner & PDF was updated on September 30, 2026 and Quick Unit Currency on October 11, 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.*