# Circularo vs PDF Compressor to Email

The clearest difference is in-app purchases: Circularo at none against PDF Compressor to Email's 3. Circularo also leads on update cadence (fortnightly vs every 2 months). PDF Compressor to Email's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Compressor to Email sells 3 in-app purchases, starting at $0.99 per 7 days. Circularo asks for nothing beyond the download.

Circularo ships an update fortnightly, PDF Compressor to Email every 2 months. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Circularo | PDF Compressor to Email |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 151 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Circularo Europe s.r.o.](https://appshunter.io/developer/1767840613) | [Muhammed Celik](https://appshunter.io/developer/1885092121) |

## What reviewers say

### Circularo

[App page](https://appshunter.io/ios/app/circularo/id6673914595)

**In-app purchases:** none


### PDF Compressor to Email

[App page](https://appshunter.io/ios/app/pdf-compressor-to-email/id6761496618)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Compressor Pro | $0.99 | per 7 days |
| Monthly Pro | $2.99 | per month |
| Yearly Pro | $14.99 | per year |


## Frequently asked questions

### Is Circularo free?

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

### Is PDF Compressor to Email free?

PDF Compressor to Email is free to download, with in-app purchases available.

### Do Circularo or PDF Compressor to Email have ads?

Neither Circularo nor PDF Compressor to Email shows ads.

### Which is updated more often, Circularo or PDF Compressor to Email?

Circularo ships an update fortnightly, and PDF Compressor to Email every 2 months. Most recently, Circularo was updated on September 24, 2026 and PDF Compressor to Email on September 10, 2026.

---

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