# QuickScan：Document PDF Scanner vs Instant Translation .

The clearest difference is update cadence: Instant Translation . at every 3 days against QuickScan：Document PDF Scanner's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. QuickScan：Document PDF Scanner sells 2 in-app purchases, starting at $4.99 per 7 days and Instant Translation . sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

QuickScan：Document PDF Scanner ships an update every 8 days, Instant Translation . every 3 days. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | QuickScan：Document PDF Scanner | Instant Translation . |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Size | 20 MB | 74 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HONG KONG GANGSHENG TRADING CO. LIMITED](https://appshunter.io/developer/1874158733) | [GERMANY CRAZYART TECHNOLOGY GROUP CO. LIMITED](https://appshunter.io/developer/1889531918) |

## What reviewers say

### QuickScan：Document PDF Scanner

[App page](https://appshunter.io/ios/app/quickscandocument-pdf-scanner/id6760635678)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Prime | $4.99 | per 7 days |
| Yearly Prime | $39.99 | per year |


### Instant Translation .

[App page](https://appshunter.io/ios/app/instant-translation/id6791414716)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Quantum | $7.99 | per 7 days |
| Yearly Quantum | $39.99 | per year |


## Frequently asked questions

### Is QuickScan：Document PDF Scanner free?

QuickScan：Document PDF Scanner is free to download, with in-app purchases available.

### Is Instant Translation . free?

Instant Translation . is free to download, with in-app purchases available.

### Do QuickScan：Document PDF Scanner or Instant Translation . have ads?

Neither QuickScan：Document PDF Scanner nor Instant Translation . shows ads.

### Which is updated more often, QuickScan：Document PDF Scanner or Instant Translation .?

QuickScan：Document PDF Scanner ships an update every 8 days, and Instant Translation . every 3 days. Most recently, QuickScan：Document PDF Scanner was updated on October 11, 2026 and Instant Translation . on October 15, 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.*