# PDF. Scanner. vs Unspy

PDF. Scanner. and Unspy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. PDF. Scanner. sells 3 one-off in-app purchases and Unspy sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF. Scanner. ships an update every 3 weeks, Unspy fortnightly. The most recent releases landed on October 20, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF. Scanner. | Unspy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 22 MB | 10 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Juergen Koller Software GmbH](https://appshunter.io/developer/1604001664) | [Akbarali Xasanov](https://appshunter.io/developer/6775700244) |

## What reviewers say

### PDF. Scanner.

[App page](https://appshunter.io/ios/app/pdf-scanner/id6472706694)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 AI Names | $1.99 | one-time |
| 200 AI Names | $4.99 | one-time |
| 500 AI Names | $8.99 | one-time |


### Unspy

[App page](https://appshunter.io/ios/app/unspy-hidden-camera-detector/id6790170844)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sentri Pro Weekly | $4.99 | per 7 days |
| Sentri Pro | $9.99 | per month |
| Unspy Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is PDF. Scanner. free?

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

### Is Unspy free?

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

### Do PDF. Scanner. or Unspy have ads?

Neither PDF. Scanner. nor Unspy shows ads.

### Which is updated more often, PDF. Scanner. or Unspy?

PDF. Scanner. ships an update every 3 weeks, and Unspy fortnightly. Most recently, PDF. Scanner. was updated on October 20, 2026 and Unspy on October 31, 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.*