# enControl vs PDF Compress

The clearest difference is update cadence: PDF Compress at every 11 days against enControl's every 2 months. enControl's advantage is iOS requirement (14.0 vs 17.4). On price, ads, 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.

enControl ships an update every 2 months, PDF Compress every 11 days. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | enControl | PDF Compress |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 52 MB | 5 MB |
| Requires iOS | **14.0** | 17.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sensing & Control](https://appshunter.io/developer/624579747) | [Shivang Mishra](https://appshunter.io/developer/1721126376) |

## What reviewers say

### enControl

[App page](https://appshunter.io/ios/app/encontrol/id968651737)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Compress

[App page](https://appshunter.io/ios/app/pdf-compress-reduce-pdf-size/id6504757939)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is enControl free?

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

### Is PDF Compress free?

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

### Do enControl or PDF Compress have ads?

Neither enControl nor PDF Compress shows ads.

### Which is updated more often, enControl or PDF Compress?

enControl ships an update every 2 months, and PDF Compress every 11 days. Most recently, enControl was updated on October 6, 2026 and PDF Compress on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*