# BULO vs 안아주기

The clearest difference is review sentiment: 안아주기 at 100% against BULO's 43%. BULO's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BULO ships an update every 3 weeks, 안아주기 every 3 months. The most recent releases landed on July 3, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | BULO | 안아주기 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (5 ratings)](https://appshunter.io/ios/app/bulo/id1509793638/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 55 MB | 2 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BREATHINGS Co., Ltd.](https://appshunter.io/developer/1509793637) | [finehealthcare co.,ltd.](https://appshunter.io/developer/1575696679) |

## What reviewers say

### BULO

[App page](https://appshunter.io/ios/app/bulo/id1509793638)

This app guides users through breathing exercises to improve lung health. It offers measurement and training features to help users understand and enhance their respiratory function.

**Highlights:** Breathing exercise guidance, Lung measurement, Respiratory training, Health tracking

**In-app purchases:** none


### 안아주기

[App page](https://appshunter.io/ios/app/burn/id1575696677)

This app provides comprehensive information and support for parents regarding childhood burns. It offers prevention tips, emergency first aid guidance, and a community forum for sharing experiences and seeking advice.

**Highlights:** Burn prevention tips for infants and toddlers, Emergency first aid instructions, Information on burn types and severity, Chatbot for burn-related queries, Progress tracking for burn wounds, Community forum for sharing experiences

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BULO free?

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

### Is 안아주기 free?

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

### Do BULO or 안아주기 have ads?

Neither BULO nor 안아주기 shows ads.

### Which is updated more often, BULO or 안아주기?

BULO ships an update every 3 weeks, and 안아주기 every 3 months. Most recently, BULO was updated on July 3, 2026 and 안아주기 on June 11, 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.*