# Photos PDF vs ProcessModelling

Photos PDF and ProcessModelling are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Photos PDF sells 1 one-off in-app purchase and ProcessModelling sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Photos PDF ships an update every 10 days, ProcessModelling every 8 days. The most recent releases landed on November 15, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Photos PDF | ProcessModelling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (68K ratings)](https://appshunter.io/ios/app/photos-pdf-scanner-converter/id1210034113/reviews)** | — |
| Number of ratings | **68K** | — |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 4 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [DIGISET LLC](https://appshunter.io/developer/944123342) | [ADG Energy Services Ltd](https://appshunter.io/developer/6806282094) |

## What reviewers say

### Photos PDF

[App page](https://appshunter.io/ios/app/photos-pdf-scanner-converter/id1210034113)

Easily convert your photos and images into professional-looking PDFs in just a few steps. Organize, sign, and share your documents directly from your device. Enjoy a user-friendly experience with versatile options for customization and secure, on-device processing.

**Highlights:** Image to PDF conversion, On-device processing, PDF signing, Folder organization, Customizable file names, Share and print PDFs

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Photos to PDF Pro | $9.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Fast and efficient
- 👍 Useful for converting photos to PDFs
- 👍 Helpful for work and school needs
- 👍 Good value for the price

**What reviewers complain about**

- 🐛 Occasional issues with sharing/exporting PDFs
- 💰 Unexpected paid features after free trial
- 💰 Complaints about pricing/hidden costs

**Reported bugs**

- Restore purchase function not working
- Compatibility issues with older devices

**Requested features**

- Add page numbering feature
- Improve image cropping and editing tools
- Integrate with more cloud storage services


### ProcessModelling

[App page](https://appshunter.io/ios/app/processmodelling/id6806282092)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $19.99 | one-time |


## Frequently asked questions

### Is Photos PDF free?

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

### Is ProcessModelling free?

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

### Do Photos PDF or ProcessModelling have ads?

Neither Photos PDF nor ProcessModelling shows ads.

### Which is updated more often, Photos PDF or ProcessModelling?

Photos PDF ships an update every 10 days, and ProcessModelling every 8 days. Most recently, Photos PDF was updated on November 15, 2026 and ProcessModelling on November 13, 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.*