# PDFOptim vs Scoutabout

The clearest difference is in-app purchases: Scoutabout at none against PDFOptim's 3. Scoutabout also leads on review sentiment (100% vs 76%) and update cadence (every 2 months vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDFOptim sells 3 in-app purchases, starting at $0.99 per month. Scoutabout asks for nothing beyond the download.

PDFOptim ships an update every 5 months, Scoutabout every 2 months. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | PDFOptim | Scoutabout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (292 ratings)](https://appshunter.io/ios/app/pdfoptim/id903356489/reviews)** | — |
| Number of ratings | **292** | — |
| Positive reviews | 75.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 11 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RootRise Technologies Pvt. Ltd.](https://appshunter.io/developer/594431033) | [Mi Appsolutions KG](https://appshunter.io/developer/950384444) |

## What reviewers say

### PDFOptim

[App page](https://appshunter.io/ios/app/pdfoptim/id903356489)

Easily compress and optimize PDF files on your iPhone and iPad. Reduce the size of large documents, saving storage space and transmission time. Offers both automatic and manual compression modes with advanced settings for image and vector graphics.

**Highlights:** Compress PDF documents, Optimize PDF files, Automatic compression mode, Manual compression mode, Adjust image resolution and quality, Optimize vector graphics, Support for password-protected PDFs

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium : Monthly Access | $0.99 | per month |
| Premium : Yearly Access | $2.99 | per year |
| Premium : Lifetime Access | $4.99 | one-time |

**What reviewers like**

- 👍 Excellent compression quality
- 🚀 Efficient and fast performance
- 👍 Simple and easy to use
- 💰 Good value for money (one-time purchase)
- 👍 No annoying subscriptions

**What reviewers complain about**

- 🐛 App not launching/freezing
- 🐛 Doesn't work for certain file types (e.g., GoodNotes)
- 🐛 Poor image quality/pixelation
- 🐛 Compression not effective on all PDFs
- 🐛 Confusing or illogical interface

**Reported bugs**

- App not launching on iOS 18.0.1
- App freezes during launch
- App won't take purchases
- Cannot optimize certain PDFs
- Compression not effective on marked-up PDFs

**Requested features**

- Support for iOS shortcuts
- macOS version integration/cross-platform compatibility
- Improved handling of specific file types like GoodNotes
- Better optimization for handwritten notes within PDFs
- Cloud storage for compressed documents (iCloud)


### Scoutabout

[App page](https://appshunter.io/ios/app/scoutabout/id950384445)

This app helps you create professional notes and reports for tradeshows. Document suppliers, their products with pictures, and share your findings easily via PDF through various methods. It's designed for professional usability on iPads.

**Highlights:** Create tradeshow and supplier information, Document products with pictures, Import supplier data via QR code, Share reports via AirDrop, email, or cloud, Print and open reports in other apps, Professional usability design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDFOptim free?

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

### Is Scoutabout free?

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

### Do PDFOptim or Scoutabout have ads?

Neither PDFOptim nor Scoutabout shows ads.

### Which is updated more often, PDFOptim or Scoutabout?

PDFOptim ships an update every 5 months, and Scoutabout every 2 months. Most recently, PDFOptim was updated on September 21, 2026 and Scoutabout on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*