# PDF Studio(Pro) vs CypherAir

The clearest difference is price: CypherAir at Free against PDF Studio(Pro)'s $2.99. PDF Studio(Pro)'s advantage is iOS requirement (13.0 vs 26.5). On update cadence, ads, in-app purchases and device support there is nothing between them.

CypherAir is free to download; PDF Studio(Pro) costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PDF Studio(Pro) | CypherAir |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Size | 42 MB | 79 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Hrishi Suthar](https://appshunter.io/developer/1660005858) | [康 陈](https://appshunter.io/developer/1862348574) |

## What reviewers say

### PDF Studio(Pro)

[App page](https://appshunter.io/ios/app/pdf-studiopro/id6757748809)

**Features:** macOS Compatibility

**In-app purchases:** none


### CypherAir

[App page](https://appshunter.io/ios/app/cypherair/id6760628384)

**In-app purchases:** none


## Frequently asked questions

### Is PDF Studio(Pro) free?

PDF Studio(Pro) costs $2.99, with no in-app purchases.

### Is CypherAir free?

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

### Do PDF Studio(Pro) or CypherAir have ads?

Neither PDF Studio(Pro) nor CypherAir shows ads.

### Which is updated more often, PDF Studio(Pro) or CypherAir?

PDF Studio(Pro) ships an update every 2 days, and CypherAir every 2 days. Most recently, PDF Studio(Pro) was updated on October 12, 2026 and CypherAir on October 19, 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.*