# Smart Group vs PDF Scanner

The clearest difference is price: PDF Scanner at Free against Smart Group's $7.99. PDF Scanner also leads on rating (5.0 vs 4.3) and update cadence (every 5 days vs every 4 months). Smart Group's advantage is in-app purchases (none vs 2) and ratings volume (64 vs 1). On ads there is nothing between them.

PDF Scanner is free to download; Smart Group costs $7.99 up front. PDF Scanner sells 2 in-app purchases, starting at $3.99 per month. Smart Group asks for nothing beyond the download.

PDF Scanner holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Smart Group has 64 ratings behind it against 1, so its average is the more settled of the two.

Smart Group ships an update every 4 months, PDF Scanner every 5 days. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Smart Group | PDF Scanner |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [4.3 (64 ratings)](https://appshunter.io/ios/app/smart-group-email-smstext/id378476242/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-scanner-optic-scan/id6755757455/reviews)** |
| Number of ratings | **64** | 1 |
| Positive reviews | 32.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Best chart rank | **#163** | — |
| Size | 40 MB | 4 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shan Shan Liu](https://appshunter.io/developer/312352870) | [SUNG HSIANG CHAO](https://appshunter.io/developer/1801925448) |

## What reviewers say

### Smart Group

[App page](https://appshunter.io/ios/app/smart-group-email-smstext/id378476242)

**Currently charting:** #163 Top Paid · Business (US App Store)

Automatically organize contacts into dynamic groups based on custom criteria. Send emails and text messages to these smart groups instantly. Manage distribution lists and utilize customized templates for efficient communication.

**Highlights:** Automatic smart group creation, Send group SMS/Text and Email, Assign contacts to multiple groups, Customized templates and signatures, Distribution list management

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

**In-app purchases:** none


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-optic-scan/id6755757455)

Easily convert paper documents into searchable PDFs or JPGs with automatic cropping and enhancement. Features include OCR text recognition, smart filters, and batch scanning for efficient document management. Share your scanned files directly to various platforms and cloud services.

**Highlights:** One-tap scanning with auto edge detection, Scan to PDF or JPG (single/multi-page), OCR text recognition for searchable PDFs, Smart filters (Color, B/W, Greyscale), Batch scan and reorder pages, Export and share to cloud drives

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Optic Premium Monthly | $3.99 | per month |
| Optic Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Smart Group free?

Smart Group costs $7.99, with no in-app purchases.

### Is PDF Scanner free?

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

### Which has better reviews, Smart Group or PDF Scanner?

PDF Scanner is rated higher. Smart Group averages 4.3 out of 5 from 64 ratings, while PDF Scanner averages 5.0 from 1 ratings.

### Do Smart Group or PDF Scanner have ads?

Neither Smart Group nor PDF Scanner shows ads.

### Which is updated more often, Smart Group or PDF Scanner?

Smart Group ships an update every 4 months, and PDF Scanner every 5 days. Most recently, Smart Group was updated on November 6, 2026 and PDF Scanner on October 30, 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.*