# PDX vs Memory Detective

The clearest difference is in-app purchases: PDX at none against Memory Detective's 8. PDX also leads on iOS requirement (11.0 vs 16.0). On price there is nothing between them.

Both are free to download. Memory Detective sells 8 one-off in-app purchases. PDX asks for nothing beyond the download.

## The numbers

| Metric | PDX | Memory Detective |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memory-detective/id6476572051/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 38 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 12+ |
| Developer | [PDXen Biosystems Co.](https://appshunter.io/developer/1592943588) | [BAMBOL Inc.](https://appshunter.io/developer/1727184509) |

## What reviewers say

### PDX

[App page](https://appshunter.io/ios/app/pdx-ad-ai/id1592943586)

**In-app purchases:** none


### Memory Detective

[App page](https://appshunter.io/ios/app/memory-detective/id6476572051)

This app uses AI to analyze your voice and assess potential dementia risk. It's designed for early detection by having you read a sentence, providing a cognitive screening. Remember, it's not a medical device and professional consultation is recommended for any concerns.

**Highlights:** AI voice analysis, Dementia risk assessment, Early detection screening, Cognitive health check, Based on clinical data

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memory Detective Use Pass | $1.00 | one-time |
| Memory Detective Gift Pass | $1.00 | one-time |
| Memory Detective Use Pass | $10.00 | one-time |
| Memory Detective Gift Pass | $10.00 | one-time |
| Memory Detective Use Pass | $20.00 | one-time |
| Memory Detective Gift Pass | $20.00 | one-time |
| Memory Detective Use Pass | $30.00 | one-time |
| Memory Detective Gift Pass | $30.00 | one-time |


## Frequently asked questions

### Is PDX free?

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

### Is Memory Detective free?

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

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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.*