# Breathe Tech vs My Crusader

The clearest difference is review sentiment: My Crusader at 100% against Breathe Tech's 50%. My Crusader also leads on rating (5.0 vs 3.0) and update cadence (every 5 weeks vs every 8 months). Breathe Tech's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17). On price, ratings volume, 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.

My Crusader holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 9 and 4 respectively. Written reviews point the same way: 50% of Breathe Tech's written reviews are positive against 100% of My Crusader's.

Breathe Tech ships an update every 8 months, My Crusader every 5 weeks. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Breathe Tech | My Crusader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (9 ratings)](https://appshunter.io/ios/app/breathe-tech/id1563022423/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/my-crusader/id6761072550/reviews)** |
| Number of ratings | **9** | 4 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 204 MB | 9 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Breathe Tech Ltd](https://appshunter.io/developer/1563022425) | [Crusader Water](https://appshunter.io/developer/1887643030) |

## What reviewers say

### Breathe Tech

[App page](https://appshunter.io/ios/app/breathe-tech/id1563022423)

Monitor your indoor air quality in real-time with this companion app. Gain insights into your environment, track changes, and receive tips to improve your living space's air for better well-being.

**Highlights:** Real-time air quality insights, Indoor environment monitoring, Track air quality fluctuations, Tips to enhance living space well-being, Companion to Breathe Airmonitor Plus

**Features:** macOS Compatibility

**In-app purchases:** none


### My Crusader

[App page](https://appshunter.io/ios/app/my-crusader/id6761072550)

Monitor and manage your SHIELD water system performance directly from your phone. Track water usage, check system status, and receive maintenance alerts for optimal operation. Connects securely via Bluetooth for easy access to live data and guided setup.

**Highlights:** Guided setup and configuration, Live system readings, Water usage tracking, Maintenance indicators, Diagnostic tools, Secure Bluetooth access

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

**In-app purchases:** none


## Frequently asked questions

### Is Breathe Tech free?

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

### Is My Crusader free?

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

### Which has better reviews, Breathe Tech or My Crusader?

My Crusader is rated higher. Breathe Tech averages 3.0 out of 5 from 9 ratings, while My Crusader averages 5.0 from 4 ratings.

### Do Breathe Tech or My Crusader have ads?

Neither Breathe Tech nor My Crusader shows ads.

### Which is updated more often, Breathe Tech or My Crusader?

Breathe Tech ships an update every 8 months, and My Crusader every 5 weeks. Most recently, Breathe Tech was updated on October 21, 2026 and My Crusader 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.*