# NanoUrls vs OpenPDF

The clearest difference is iOS requirement: NanoUrls at 15.0 against OpenPDF's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. NanoUrls sells 4 in-app purchases, starting at $4.99 per month and OpenPDF sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

NanoUrls ships an update fortnightly, OpenPDF every 8 days. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | NanoUrls | OpenPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/openpdf-scan-and-send/id6782456305/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 2 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rafael Marques de Sa](https://appshunter.io/developer/1524527865) | [Jason Kalili](https://appshunter.io/developer/1872273315) |

## What reviewers say

### NanoUrls

[App page](https://appshunter.io/ios/app/nanourls/id6776383474)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nano Pro (Monthly) | $4.99 | per month |
| Nano Max (Monthly) | $14.99 | per month |
| Nano Pro (Annual) | $49.99 | per year |
| Nano Max (Annual) | $149.99 | per year |


### OpenPDF

[App page](https://appshunter.io/ios/app/openpdf-scan-and-send/id6782456305)

Convert images to PDF, sign documents, and share them directly from your device. This app prioritizes user privacy by keeping all data local and requiring no account or tracking. Enjoy a clean, ad-free experience for all your PDF needs.

**Highlights:** Image to PDF conversion, Sign documents, Send PDFs, Data stays on device, No ads, No account required

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick Thanks | $4.99 | one-time |
| Support OpenPDF | $9.99 | one-time |
| Keep It Going | $19.99 | one-time |


## Frequently asked questions

### Is NanoUrls free?

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

### Is OpenPDF free?

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

### Do NanoUrls or OpenPDF have ads?

Neither NanoUrls nor OpenPDF shows ads.

### Which is updated more often, NanoUrls or OpenPDF?

NanoUrls ships an update fortnightly, and OpenPDF every 8 days. Most recently, NanoUrls was updated on October 18, 2026 and OpenPDF on October 6, 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.*