# BULO vs ALDS

The clearest difference is update cadence: BULO at every 3 weeks against ALDS's every 6 months. BULO also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support 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, ALDS every 6 months. The most recent releases landed on October 18, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | BULO | ALDS |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 55 MB | 24 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [BREATHINGS Co., Ltd.](https://appshunter.io/developer/1509793637) | [LOTHAR MEDTEC GmbH](https://appshunter.io/developer/1571294754) |

## 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


### ALDS

[App page](https://appshunter.io/ios/app/alds/id1571299306)

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

**In-app purchases:** none


## Frequently asked questions

### Is BULO free?

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

### Is ALDS free?

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

### Do BULO or ALDS have ads?

Neither BULO nor ALDS shows ads.

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

BULO ships an update every 3 weeks, and ALDS every 6 months. Most recently, BULO was updated on October 18, 2026 and ALDS on October 27, 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.*