# Memory Detective vs while you were sleeping

The clearest difference is in-app purchases: while you were sleeping at none against Memory Detective's 8. while you were sleeping also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Memory Detective ships an update every 2 weeks, while you were sleeping weekly. The most recent releases landed on June 6, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Memory Detective | while you were sleeping |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memory-detective/id6476572051/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 304 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [BAMBOL Inc.](https://appshunter.io/developer/1727184509) | [(주)허니냅스 (Honeynaps Co., Ltd.)](https://appshunter.io/developer/1192105907) |

## What reviewers say

### 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 |


### while you were sleeping

[App page](https://appshunter.io/ios/app/while-you-were-sleeping/id6593683907)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memory Detective free?

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

### Is while you were sleeping free?

while you were sleeping is free to download, with no in-app purchases.

### Do Memory Detective or while you were sleeping have ads?

Memory Detective shows ads; while you were sleeping does not.

### Which is updated more often, Memory Detective or while you were sleeping?

Memory Detective ships an update every 2 weeks, and while you were sleeping weekly. Most recently, Memory Detective was updated on June 6, 2026 and while you were sleeping on September 15, 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.*