# PDF Photos+ vs Quantum

The clearest difference is in-app purchases: Quantum at none against PDF Photos+'s 9. Quantum also leads on rating (5.0 vs 4.7) and iOS requirement (15.6 vs 18.0). PDF Photos+'s advantage is ratings volume (325 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Photos+ sells 9 in-app purchases, starting at $1.99 per 7 days. Quantum asks for nothing beyond the download.

Quantum holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: PDF Photos+ has 325 ratings behind it against 1, so its average is the more settled of the two.

PDF Photos+ ships an update weekly, Quantum every 5 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Photos+ | Quantum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (325 ratings)](https://appshunter.io/ios/app/pdf-photos-plus/id1580300019/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quantum-heaps/id6798157843/reviews)** |
| Number of ratings | **325** | 1 |
| Positive reviews | 58.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 42 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Astrum Computing](https://appshunter.io/developer/1210150247) | [QUANTUMHEAPS PTE LTD](https://appshunter.io/developer/6798157845) |

## What reviewers say

### PDF Photos+

[App page](https://appshunter.io/ios/app/pdf-photos-plus/id1580300019)

Transform your phone into a high-quality document scanner. Quickly scan, save, extract text, and share documents as PDFs or JPEGs. Organize receipts, contracts, notes, and more, going paperless and boosting productivity.

**Highlights:** AI-powered OCR and text recognition, Automatic border cropping, Professional scan filters, Add signatures to documents, Annotate and draw on documents, Import images from photos, PIN lock for application security

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional version | $1.99 | per 7 days |
| Professional version | $3.99 | per month |
| PDF Scanner Pro - Weekly | $4.99 | per 7 days |
| Professional version | $5.99 | per month |
| Professional version | $9.99 | per month |
| PDF Scanner Pro - Monthly | $9.99 | per month |
| PDF Scanner Premium Annual | $34.99 | per year |
| PDF Scanner Premium Annual | $39.99 | per year |
| PDF Scanner Premium Lifetime | $49.99 | one-time |

**What reviewers like**

- 🚀 Fast and efficient scanning
- 👍 User-friendly interface
- ✨ High clarity scanned photos
- ⏱️ Saves a lot of time
- 🖨️ Converts to high-quality PDF or JPG

**What reviewers complain about**

- 🐛 Auto scanning not perfect (edges vs. corners)
- 📉 Misleading lifetime IAP information
- ⚠️ Free trial screen issues

**Reported bugs**

- App crashes on iPhone 6s Plus iOS 15.0
- App crashes on iOS 15.1 (iPhone 11)
- App opens on free trial screen and doesn't allow to decline

**Requested features**

- Support for more OCR languages (e.g., Ukrainian)
- Editing of recognized text
- iPad version availability


### Quantum

[App page](https://appshunter.io/ios/app/quantum-heaps/id6798157843)

This AI-powered platform consolidates prospecting, meetings, pipeline management, and forecasting for revenue teams. It acts as an AI revenue copilot, providing instant answers and enabling workflow execution from any device.

**Highlights:** AI-native platform, Prospecting and meetings, Pipeline management, Forecasting, AI revenue copilot, Workflow execution

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Photos+ free?

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

### Is Quantum free?

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

### Which has better reviews, PDF Photos+ or Quantum?

Quantum is rated higher. PDF Photos+ averages 4.7 out of 5 from 325 ratings, while Quantum averages 5.0 from 1 ratings.

### Do PDF Photos+ or Quantum have ads?

Neither PDF Photos+ nor Quantum shows ads.

### Which is updated more often, PDF Photos+ or Quantum?

PDF Photos+ ships an update weekly, and Quantum every 5 days. Most recently, PDF Photos+ was updated on November 3, 2026 and Quantum on October 25, 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.*