# i Scan QR Code, PDF, OCR vs Clean4green

The clearest difference is in-app purchases: Clean4green at none against i Scan QR Code, PDF, OCR's 2. i Scan QR Code, PDF, OCR's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (13.0 vs 15.1). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. i Scan QR Code, PDF, OCR sells 2 in-app purchases, starting at $2.99 per 7 days. Clean4green asks for nothing beyond the download.

i Scan QR Code, PDF, OCR ships an update every 2 weeks, Clean4green every 2 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | i Scan QR Code, PDF, OCR | Clean4green |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (173 ratings)](https://appshunter.io/ios/app/i-scan-qr-code-pdf-ocr/id1664668006/reviews)** | — |
| Number of ratings | **173** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 80 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [APEXMOBI PTE. LTD.](https://appshunter.io/developer/1604377579) | [GREEN DYNAMICS](https://appshunter.io/developer/1461507769) |

## What reviewers say

### i Scan QR Code, PDF, OCR

[App page](https://appshunter.io/ios/app/i-scan-qr-code-pdf-ocr/id1664668006)

This app offers fast QR code and barcode scanning, personalized QR code creation, and PDF scanning with OCR text recognition. It also includes smart product price comparison and convenient history management to enhance daily digital tasks.

**Highlights:** Fast QR code and barcode scanning, Personalized QR code generation, PDF scanning and document management, OCR text recognition, Smart product price comparison, History and collection management

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week subscription users | $2.99 | per 7 days |
| year subscription users | $39.99 | per year |


### Clean4green

[App page](https://appshunter.io/ios/app/clean4green/id1668074172)

This app empowers users to combat littering and protect biodiversity. It allows reporting of fly-tipping, organizing clean-up operations, and connecting with a community dedicated to environmental preservation.

**Highlights:** Report fly-tipping incidents, Organize and find clean-up operations, Update status of reported areas, Connect with environmental community, Participate in awareness games

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

**In-app purchases:** none


## Frequently asked questions

### Is i Scan QR Code, PDF, OCR free?

i Scan QR Code, PDF, OCR is free to download, with in-app purchases available.

### Is Clean4green free?

Clean4green is free to download, with no in-app purchases.

### Do i Scan QR Code, PDF, OCR or Clean4green have ads?

Both i Scan QR Code, PDF, OCR and Clean4green show ads.

### Which is updated more often, i Scan QR Code, PDF, OCR or Clean4green?

i Scan QR Code, PDF, OCR ships an update every 2 weeks, and Clean4green every 2 months. Most recently, i Scan QR Code, PDF, OCR was updated on October 2, 2026 and Clean4green on October 3, 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.*