# PerdixPro vs PES ScentsCheck

The clearest difference is update cadence: PerdixPro at every 2 weeks against PES ScentsCheck's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

PerdixPro ships an update every 2 weeks, PES ScentsCheck every 8 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PerdixPro | PES ScentsCheck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Size | 43 MB | 66 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Perdix Wildlife Solutions Ltd](https://appshunter.io/developer/1646419976) | [P.E.S. Technologies](https://appshunter.io/developer/1684226530) |

## What reviewers say

### PerdixPro

[App page](https://appshunter.io/ios/app/perdixpro/id6443486199)

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

**In-app purchases:** none


### PES ScentsCheck

[App page](https://appshunter.io/ios/app/pes-scentscheck/id6479642850)

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

**In-app purchases:** none


## Frequently asked questions

### Is PerdixPro free?

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

### Is PES ScentsCheck free?

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

### Do PerdixPro or PES ScentsCheck have ads?

Neither PerdixPro nor PES ScentsCheck shows ads.

### Which is updated more often, PerdixPro or PES ScentsCheck?

PerdixPro ships an update every 2 weeks, and PES ScentsCheck every 8 months. Most recently, PerdixPro was updated on October 21, 2026 and PES ScentsCheck on October 12, 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.*