# SumenApp vs FastPDF

The clearest difference is ads: SumenApp at none against FastPDF's shown. FastPDF's advantage is update cadence (every 3 days vs fortnightly) and iOS requirement (13.0 vs 16.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SumenApp ships an update fortnightly, FastPDF every 3 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | SumenApp | FastPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 76 MB | 46 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BERKSIS TEKNOLOJI VE BILISIM HIZMETLERI ANONIM SIRKETI](https://appshunter.io/developer/1885782936) | [Serhat Ak](https://appshunter.io/developer/6776268415) |

## What reviewers say

### SumenApp

[App page](https://appshunter.io/ios/app/sumenapp/id6760696094)

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

**In-app purchases:** none


### FastPDF

[App page](https://appshunter.io/ios/app/fastpdf-pdf-editor-and-reader/id6783044563)

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

**In-app purchases:** none


## Frequently asked questions

### Is SumenApp free?

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

### Is FastPDF free?

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

### Do SumenApp or FastPDF have ads?

FastPDF shows ads; SumenApp does not.

### Which is updated more often, SumenApp or FastPDF?

SumenApp ships an update fortnightly, and FastPDF every 3 days. Most recently, SumenApp was updated on September 10, 2026 and FastPDF on September 10, 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.*