# Protect PDFs vs Just Five

The clearest difference is ads: Protect PDFs at none against Just Five's shown. Just Five's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Protect PDFs sells 2 in-app purchases, starting at $2.99 per 7 days and Just Five sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Protect PDFs | Just Five |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | Every 4 days |
| Size | 86 MB | 46 MB |
| Requires iOS | 16.2 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oscar Fuentes](https://appshunter.io/developer/1708596412) | [Paolo Montalto](https://appshunter.io/developer/658523910) |

## What reviewers say

### Protect PDFs

[App page](https://appshunter.io/ios/app/protect-pdfs-doctrace/id6804022770)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DocTrace Pro Weekly | $2.99 | per 7 days |
| DocTrace Pro Annual | $29.99 | per year |


### Just Five

[App page](https://appshunter.io/ios/app/just-five/id6804710965)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Just Five Pro Montly | $2.99 | per month |
| Jsut Five Pro Lifetime | $22.99 | one-time |


## Frequently asked questions

### Is Protect PDFs free?

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

### Is Just Five free?

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

### Do Protect PDFs or Just Five have ads?

Just Five shows ads; Protect PDFs does not.

### Which is updated more often, Protect PDFs or Just Five?

Protect PDFs ships an update every 4 days, and Just Five every 4 days. Most recently, Protect PDFs was updated on October 12, 2026 and Just Five on October 24, 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.*