# Memory Detective vs Sleep Focus

The clearest difference is ads: Sleep Focus at none against Memory Detective's shown. Sleep Focus also leads on update cadence (every 2 days vs every 4 weeks). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Memory Detective sells 8 one-off in-app purchases and Sleep Focus sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Memory Detective against 5.0 for Sleep Focus. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Memory Detective ships an update every 4 weeks, Sleep Focus every 2 days. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Memory Detective | Sleep Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/memory-detective/id6476572051/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sleep-focus-bedtime-app-lock/id6797113744/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 26 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [BAMBOL Inc.](https://appshunter.io/developer/1727184509) | [Insight&myung, LLC](https://appshunter.io/developer/1752352451) |

## 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, Vision Pro support

**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 |


### Sleep Focus

[App page](https://appshunter.io/ios/app/sleep-focus-bedtime-app-lock/id6797113744)

This app helps you reclaim your sleep by locking distracting applications during your chosen bedtime and wake-up times. It uses your device's built-in screen time features to enforce the schedule, ensuring you stay off your phone until morning. Calls and texts remain accessible for emergencies.

**Highlights:** Locks distracting apps during set sleep window, Automatic unlock at wake time, Uses Apple's Screen Time for robust locking, Calls and texts remain accessible, Optional one-time purchase for early unlock, No account or sign-up required

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 일찍 풀기 | $0.99 | one-time |
| 일찍 풀기2 | $1.99 | one-time |


## Frequently asked questions

### Is Memory Detective free?

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

### Is Sleep Focus free?

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

### Which has better reviews, Memory Detective or Sleep Focus?

Memory Detective and Sleep Focus are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Memory Detective or Sleep Focus have ads?

Memory Detective shows ads; Sleep Focus does not.

### Which is updated more often, Memory Detective or Sleep Focus?

Memory Detective ships an update every 4 weeks, and Sleep Focus every 2 days. Most recently, Memory Detective was updated on October 5, 2026 and Sleep Focus 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.*