# Attention vs ShaamScanner

The clearest difference is in-app purchases: ShaamScanner at none against Attention's 1. ShaamScanner also leads on ads (none vs shown) and update cadence (every 10 days vs every 9 months). Attention's advantage is iOS requirement (12.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Attention sells 1 one-off in-app purchase. ShaamScanner asks for nothing beyond the download.

Attention ships an update every 9 months, ShaamScanner every 10 days. The most recent releases landed on September 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Attention | ShaamScanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shaamscanner/id6762571940/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 19 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [向军 贾](https://appshunter.io/developer/788691093) | [Crescent Mission LLC](https://appshunter.io/developer/1706754848) |

## What reviewers say

### Attention

[App page](https://appshunter.io/ios/app/attention-brain-training/id978324464)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock function and off AD | $2.99 | one-time |


### ShaamScanner

[App page](https://appshunter.io/ios/app/shaamscanner/id6762571940)

This app allows you to scan documents, receipts, and notes directly from your device. It offers on-device processing for enhanced privacy, with no network requests or cloud syncing. Easily export scans as searchable PDFs or images.

**Highlights:** On-device scanning and processing, Automatic edge detection, Perspective correction, Optical Character Recognition (OCR), Searchable PDF export, Import from Photos, Page tuning and editing

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

**In-app purchases:** none


## Frequently asked questions

### Is Attention free?

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

### Is ShaamScanner free?

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

### Do Attention or ShaamScanner have ads?

Attention shows ads; ShaamScanner does not.

### Which is updated more often, Attention or ShaamScanner?

Attention ships an update every 9 months, and ShaamScanner every 10 days. Most recently, Attention was updated on September 23, 2026 and ShaamScanner on October 14, 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.*