# 루미 vs Shellog

The clearest difference is in-app purchases: Shellog at none against 루미's 3. Shellog also leads on update cadence (every 2 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 루미 sells 3 one-off in-app purchases. Shellog asks for nothing beyond the download.

루미 ships an update every 11 days, Shellog every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 루미 | Shellog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6757296520/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 11 days | **Every 2 days** |
| Monetization | Subscription | — |
| Size | 121 MB | 93 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Jae Chan Lee](https://appshunter.io/developer/1865823608) | [Minseo Ko](https://appshunter.io/developer/6805713431) |

## What reviewers say

### 루미

[App page](https://appshunter.io/ios/app/id6757296520)

This app helps improve sleep by addressing the root causes of insomnia, focusing on changing habits and thoughts rather than relying on temporary aids. It offers personalized programs based on sleep psychology, daily journaling, and detailed sleep reports to help users understand and fundamentally improve their sleep patterns.

**Highlights:** Sleep psychology-based programs, Sleep status surveys, Daily sleep journaling, Sleep reports with feedback, Personalized sleep routines

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 스타터 | $9.99 | one-time |
| 루미 코어 | $29.99 | one-time |
| 루미 인텐시브 | $59.99 | one-time |


### Shellog

[App page](https://appshunter.io/ios/app/shellog-pilates-and-stretching/id6805713429)

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

**In-app purchases:** none


## Frequently asked questions

### Is 루미 free?

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

### Is Shellog free?

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

### Do 루미 or Shellog have ads?

Both 루미 and Shellog show ads.

### Which is updated more often, 루미 or Shellog?

루미 ships an update every 11 days, and Shellog every 2 days. Most recently, 루미 was updated on October 31, 2026 and Shellog on October 31, 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.*