Smart Group vs PDF Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Group
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.
- Automatic smart group creation
- Send group SMS/Text and Email
- Assign contacts to multiple groups
- Customized templates and signatures
- Distribution list management
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This app lets you organizing contacts automatically by creating smart groups. A Smart Group is updated automatically based on criteria you specify. You can send email and text/sms to smart groups on the fly. Feature list: Send Group SMS/Text and Email Assign contacts to multiple groups at a time Support customized templates and signatures Support distribution list management Manage Smart Groups Smart Groups can automatically organizing information in your address book. The possibilities are endless with Smart Groups. They can be used on any of the criteria stored and will auto-update whenever a change is made.
PDF Scanner
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.
- 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
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Turn paper into a clean, searchable PDF in seconds. Optic is a fast PDF scanner and doc scanner built for people who just want the file done. Capture, auto-crop, enhance, and export with almost zero thinking. KEY FEATURES • One-tap scanning with fast auto edge detection • Scan to PDF or JPG, single or multi-page • OCR text recognition for searchable PDFs and copyable text • Smart filters: Color, B/W, Greyscale, High-contrast • Fix perspective and straighten pages for a “flat” look • Batch scan and reorder pages in seconds • Export and share: Files, Mail, Messages, AirDrop, cloud drives • Create compact PDFs that stay crisp and easy to share MADE FOR Receipts, invoices, contracts, books, notes, forms, ID cards, whiteboards, and school handouts. PRIVACY BY DESIGN Your documents are yours. We’re built to minimize data collection and keep scanning simple. Upgrade note: Some advanced features (like Auto-Scan, unlimited OCR and exports) may require a subscription, depending on your plan. By using this app, you agree to the standard Apple Terms of Use (EULA). Privacy Policy: https://pdf-scanner.app/privacypolicy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: support@pdf-scanner.app
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Smart Group | PDF Scanner |
|---|---|---|
| Price | $7.99 | Free — better |
| Rating | 4.3 (64 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 32.6% of reviews | — |
| Number of ratings | 64 — better | 1 |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Best chart rank | #158 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 40 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Shan Shan Liu | SUNG HSIANG CHAO |
In-app purchases
Smart Group
No in-app purchases
PDF Scanner
- Optic Premium Monthly$3.991 Month
- Optic Premium Yearly$29.991 Year





