# Smart Scan Books vs DupeSift

The clearest difference is device support: DupeSift at 3 against Smart Scan Books's 1. DupeSift also leads on iOS requirement (17.0 vs 27.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Smart Scan Books | DupeSift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 122 MB | 1 MB |
| Requires iOS | 27.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Koshi Yamazaki](https://appshunter.io/developer/1828439503) | [KRISHNA PINNAMANENI](https://appshunter.io/developer/1880298048) |

## What reviewers say

### Smart Scan Books

[App page](https://appshunter.io/ios/app/smart-scan-books-ocr-readr/id6749008129)

**In-app purchases:** none


### DupeSift

[App page](https://appshunter.io/ios/app/dupesift/id6782678989)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart Scan Books free?

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

### Is DupeSift free?

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

### Do Smart Scan Books or DupeSift have ads?

Neither Smart Scan Books nor DupeSift shows ads.

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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.*