# Flash Doc Scanner vs QwikLock

The clearest difference is in-app purchases: Flash Doc Scanner at none against QwikLock's 2. Flash Doc Scanner also leads on iOS requirement (14 vs 26.0). QwikLock's advantage is update cadence (every 5 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. QwikLock sells 2 in-app purchases, starting at $3.99 per month. Flash Doc Scanner asks for nothing beyond the download.

Flash Doc Scanner ships an update every 2 months, QwikLock every 5 days. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Flash Doc Scanner | QwikLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (10 ratings)](https://appshunter.io/ios/app/flash-doc-scanner-pdf-maker/id1629410476/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 73 MB | 38 MB |
| Requires iOS | **14** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [JOYWE NETWORK TECH LIMITED](https://appshunter.io/developer/1602822584) | [JAYU SOFTWARE-STUDIO OPC](https://appshunter.io/developer/6780740207) |

## What reviewers say

### Flash Doc Scanner

[App page](https://appshunter.io/ios/app/flash-doc-scanner-pdf-maker/id1629410476)

This app transforms your iPhone into a powerful scanning tool. Quickly convert physical documents, receipts, and notes into high-quality PDFs. It also features QR code scanning and secure, private use without registration.

**Highlights:** Lightning-fast document scanning, Convert to high-quality PDFs, QR/Barcode recognition, Private and secure, no registration, Batch processing for multiple pages, Easy sharing via email and social media

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

**In-app purchases:** none


### QwikLock

[App page](https://appshunter.io/ios/app/qwiklock-app-lockphoto-vault/id6796312813)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QwikLock Pro Monthly | $3.99 | per month |
| QwikLock Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Flash Doc Scanner free?

Flash Doc Scanner is free to download, with no in-app purchases.

### Is QwikLock free?

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

### Do Flash Doc Scanner or QwikLock have ads?

Neither Flash Doc Scanner nor QwikLock shows ads.

### Which is updated more often, Flash Doc Scanner or QwikLock?

Flash Doc Scanner ships an update every 2 months, and QwikLock every 5 days. Most recently, Flash Doc Scanner was updated on November 7, 2026 and QwikLock on November 13, 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.*