# 슬립큐 vs FASTRO JLK

The clearest difference is device support: FASTRO JLK at 3 against 슬립큐's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | 슬립큐 | FASTRO JLK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fastro-jlk/id6479392801/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 34 MB | 43 MB |
| Requires iOS | 16.1 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [WELT Corporation](https://appshunter.io/developer/1199426383) | [JLK Inc.](https://appshunter.io/developer/1503288987) |

## What reviewers say

### 슬립큐

[App page](https://appshunter.io/ios/app/sleepq/id6457255880)

This digital therapeutic device, approved by the Ministry of Food and Drug Safety, helps improve insomnia symptoms through cognitive behavioral therapy (CBT-I). It provides personalized sleep reports and recommended sleep times based on your sleep records, requiring a doctor's prescription for use.

**Highlights:** Cognitive Behavioral Therapy for Insomnia (CBT-I), Sleep restriction therapy, Personalized sleep reports, Sleep hygiene education, Stimulus control therapy

**Features:** Vision Pro support

**In-app purchases:** none


### FASTRO JLK

[App page](https://appshunter.io/ios/app/fastro-jlk/id6479392801)

This AI-powered platform helps medical professionals streamline stroke care. It uses AI analysis and real-time data sharing to optimize workflows and improve patient outcomes during the critical golden hour.

**Highlights:** AI-based stroke workflow optimization, Swift and accurate decision-making, Real-time data sharing, Improved patient outcomes, Golden hour secured

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 슬립큐 free?

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

### Is FASTRO JLK free?

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

### Do 슬립큐 or FASTRO JLK have ads?

Neither 슬립큐 nor FASTRO JLK shows ads.

### Which is updated more often, 슬립큐 or FASTRO JLK?

슬립큐 ships an update every 3 weeks, and FASTRO JLK every 3 weeks. Most recently, 슬립큐 was updated on September 22, 2026 and FASTRO JLK on June 6, 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.*