# pdf compressor. vs SmartChain 智链

pdf compressor. and SmartChain 智链 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | pdf compressor. | SmartChain 智链 |
| --- | --- | --- |
| 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 | — |
| Monetization | Free | — |
| Size | 4 MB | 6 MB |
| Requires iOS | **17.0** | 18.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Muhammed Efdal incesu](https://appshunter.io/developer/1748859357) | [继愉 陶](https://appshunter.io/developer/6789787343) |

## 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


### SmartChain 智链

[App page](https://appshunter.io/ios/app/smartchain/id6744088030)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is pdf compressor. free?

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

### Is SmartChain 智链 free?

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

### Do pdf compressor. or SmartChain 智链 have ads?

Neither pdf compressor. nor SmartChain 智链 shows ads.

---

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