# Final Size vs PDF Reader

The clearest difference is iOS requirement: PDF Reader at 18.0 against Final Size's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Final Size sells 1 one-off in-app purchase and PDF Reader sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Final Size ships an update every 6 weeks, PDF Reader every 3 weeks. The most recent releases landed on August 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Final Size | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 36 MB | 10 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Hermawan](https://appshunter.io/developer/1680320139) | [Hoang Ngoc Son](https://appshunter.io/developer/1890619478) |

## What reviewers say

### Final Size

[App page](https://appshunter.io/ios/app/final-size-image-compressor/id6756061338)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Final Size Pro | $7.99 | one-time |


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-editor-and-scanner/id6775700755)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Pro Monthly | $5.99 | per month |
| PDF Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Final Size free?

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

### Is PDF Reader free?

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

### Do Final Size or PDF Reader have ads?

Neither Final Size nor PDF Reader shows ads.

### Which is updated more often, Final Size or PDF Reader?

Final Size ships an update every 6 weeks, and PDF Reader every 3 weeks. Most recently, Final Size was updated on August 22, 2026 and PDF Reader on September 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.*