# Flash Doc Scanner vs Smart Deodorizer

The clearest difference is update cadence: Smart Deodorizer at every 9 days against Flash Doc Scanner's every 6 weeks. Smart Deodorizer also leads on iOS requirement (11.0 vs 14). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flash Doc Scanner ships an update every 6 weeks, Smart Deodorizer every 9 days. The most recent releases landed on July 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Flash Doc Scanner | Smart Deodorizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/flash-doc-scanner-pdf-maker/id1629410476/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 73 MB | 33 MB |
| Requires iOS | 14 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JOYWE NETWORK TECH LIMITED](https://appshunter.io/developer/1602822584) | [易客创新(泉州)智能科技有限公司](https://appshunter.io/developer/1683294855) |

## 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 document scanner, creating high-quality PDFs from physical items. It also recognizes QR codes and barcodes, offering batch processing and easy sharing without requiring registration.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Deodorizer

[App page](https://appshunter.io/ios/app/smart-deodorizer/id6447603640)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flash Doc Scanner free?

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

### Is Smart Deodorizer free?

Smart Deodorizer is free to download, with no in-app purchases.

### Do Flash Doc Scanner or Smart Deodorizer have ads?

Neither Flash Doc Scanner nor Smart Deodorizer shows ads.

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

Flash Doc Scanner ships an update every 6 weeks, and Smart Deodorizer every 9 days. Most recently, Flash Doc Scanner was updated on July 9, 2026 and Smart Deodorizer on September 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.*