# Smart Citizens vs pdf compressor

The clearest difference is in-app purchases: Smart Citizens at none against pdf compressor's 2. Smart Citizens also leads on iOS requirement (11.0 vs 17.0). pdf compressor's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. pdf compressor sells 2 in-app purchases, starting at $2.99 per 7 days. Smart Citizens asks for nothing beyond the download.

Smart Citizens ships an update every 2 months, pdf compressor weekly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Smart Citizens | pdf compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 236 MB | 117 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Smart Citizens DMCC](https://appshunter.io/developer/1613122082) | [Challa Somesh](https://appshunter.io/developer/1818069707) |

## What reviewers say

### Smart Citizens

[App page](https://appshunter.io/ios/app/smart-citizens/id1613122080)

**Features:** macOS Compatibility

**In-app purchases:** none


### pdf compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-docucraft/id6748410268)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DocuCraft | $2.99 | per 7 days |
| DocuCraft | $29.99 | per year |


## Frequently asked questions

### Is Smart Citizens free?

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

### Is pdf compressor free?

pdf compressor is free to download, with in-app purchases available.

### Do Smart Citizens or pdf compressor have ads?

Neither Smart Citizens nor pdf compressor shows ads.

### Which is updated more often, Smart Citizens or pdf compressor?

Smart Citizens ships an update every 2 months, and pdf compressor weekly. Most recently, Smart Citizens was updated on October 7, 2026 and pdf compressor on October 14, 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.*