# pdf compressor. vs ZapCharge

The clearest difference is update cadence: ZapCharge at fortnightly against pdf compressor.'s every 13 months. ZapCharge also leads on iOS requirement (13.0 vs 17.0). 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.

pdf compressor. ships an update every 13 months, ZapCharge fortnightly. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | pdf compressor. | ZapCharge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (30 ratings)](https://appshunter.io/ios/app/pdf-compressor/id6547852427/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 4 MB | 71 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Muhammed Efdal incesu](https://appshunter.io/developer/1748859357) | [益阳赫山区聚小充科技有限公司](https://appshunter.io/developer/1849593688) |

## What reviewers say

### pdf compressor.

[App page](https://appshunter.io/ios/app/pdf-compressor/id6547852427)

Easily shrink and optimize PDF files to save storage space and improve sharing efficiency. This tool offers fast compression without compromising quality, making your documents more manageable for email, storage, or online sharing.

**Highlights:** Compress PDF files, Reduce PDF size, Optimize PDF files, Shrink PDF files, Fast compression, File size reduction

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

**In-app purchases:** none


### ZapCharge

[App page](https://appshunter.io/ios/app/zapcharge/id6772404574)

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

**In-app purchases:** none


## Frequently asked questions

### Is pdf compressor. free?

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

### Is ZapCharge free?

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

### Do pdf compressor. or ZapCharge have ads?

Neither pdf compressor. nor ZapCharge shows ads.

### Which is updated more often, pdf compressor. or ZapCharge?

pdf compressor. ships an update every 13 months, and ZapCharge fortnightly. Most recently, pdf compressor. was updated on October 4, 2026 and ZapCharge on October 9, 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.*