# Airofit Legacy vs Bulk.ai

The clearest difference is rating: Bulk.ai at 5.0 against Airofit Legacy's 4.5. Bulk.ai also leads on update cadence (every 10 days vs every 5 weeks). Airofit Legacy's advantage is ratings volume (1.3K vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Airofit Legacy sells 4 in-app purchases, starting at $6.99 per month and Bulk.ai sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Bulk.ai holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Airofit Legacy has 1.3K ratings behind it against 1, so its average is the more settled of the two.

Airofit Legacy ships an update every 5 weeks, Bulk.ai every 10 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Airofit Legacy | Bulk.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.3K ratings)](https://appshunter.io/ios/app/airofit-legacy/id1469023267/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bulkai/id6760506730/reviews)** |
| Number of ratings | **1.3K** | 1 |
| Positive reviews | 75.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 182 MB | 112 MB |
| Requires iOS | **16** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Airofit A/S](https://appshunter.io/developer/1269490789) | [Caleb Holtsnider](https://appshunter.io/developer/1854591224) |

## What reviewers say

### Airofit Legacy

[App page](https://appshunter.io/ios/app/airofit-legacy/id1469023267)

This app pairs with a breathing trainer device to help you measure and improve your respiratory strength and lung capacity. It offers customized training programs for various goals like athletic performance, relaxation, and stress reduction, with progress tracking.

**Highlights:** Informative lung tests, Targeted training programs, Challenging exercises with visual/audio guidance, Engaging activity tracking, Personalized profile and reminders, Breathing exercises for strength, tolerance, capacity, performance, and relaxation

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Airofit PRO (monthly) | $6.99 | per month |
| Airofit (Monthly) | $9.99 | per month |
| Airofit PRO (yearly) | $59.00 | per year |
| Airofit (Yearly) | $84.00 | per year |

**What reviewers like**

- 👍 Effective for improving breathing and lung capacity
- 🚀 Noticeable improvements in a short time
- 💪 Helpful for athletes and those with respiratory issues
- 📊 Provides useful metrics and progress tracking
- 🧘‍♀️ Aids in relaxation and stress reduction

**What reviewers complain about**

- 🐛 App crashes, freezes, or has connectivity issues
- 🔍 Lack of clear instructions or guidance on using the device
- 💰 Expensive device and subscription model
- 🔋 Battery life and charging issues
- 📱 App UI/UX could be improved

**Reported bugs**

- App not recognizing device or subscription
- Inaccurate lung capacity measurements
- Exercises not working as intended
- Progress data being lost after app updates

**Requested features**

- Offline mode for training sessions
- More customization options for training programs
- Integration with Apple Health or other fitness apps
- Better data export and analysis tools
- Improved customer support and responsiveness


### Bulk.ai

[App page](https://appshunter.io/ios/app/bulkai/id6760506730)

This app offers a minimalist, high-performance approach to physical optimization. It features real-time vision scanning for food analysis and intelligent voice logging for meals and workouts, all within a premium, privacy-focused interface.

**Highlights:** Real-time vision scanning for food analysis, Intelligent voice AI logging for meals and workouts, Minimalist, high-performance UI, Bio-optimized nutrition and routines dashboard, Privacy-first data infrastructure

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $3.99 | per month |
| Ultra - monthly | $7.99 | per month |
| Standard - Yearly | $29.99 | per year |
| Ultra - yearly | $49.99 | per year |


## Frequently asked questions

### Is Airofit Legacy free?

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

### Is Bulk.ai free?

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

### Which has better reviews, Airofit Legacy or Bulk.ai?

Bulk.ai is rated higher. Airofit Legacy averages 4.5 out of 5 from 1.3K ratings, while Bulk.ai averages 5.0 from 1 ratings.

### Do Airofit Legacy or Bulk.ai have ads?

Neither Airofit Legacy nor Bulk.ai shows ads.

### Which is updated more often, Airofit Legacy or Bulk.ai?

Airofit Legacy ships an update every 5 weeks, and Bulk.ai every 10 days. Most recently, Airofit Legacy was updated on November 3, 2026 and Bulk.ai 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.*