# KetoAir vs Howard

The clearest difference is rating: Howard at 5.0 against KetoAir's 1.5. Howard also leads on update cadence (every 2 weeks vs every 2 months) and ratings volume (8 vs 2). KetoAir's advantage is iOS requirement (16.4 vs 18.5). 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.

Howard holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 8 respectively.

KetoAir ships an update every 2 months, Howard every 2 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KetoAir | Howard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/ketoair/id1671355214/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/howard/id6748033731/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 60 MB | 147 MB |
| Requires iOS | **16.4** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Qi Diagnostics Limited](https://appshunter.io/developer/1636454031) | [Sworn](https://appshunter.io/developer/1823980872) |

## What reviewers say

### KetoAir

[App page](https://appshunter.io/ios/app/ketoair/id1671355214)

This device and companion app help you monitor your body's fat-burning status by measuring acetone levels in your breath. Get instant, accurate results to understand how your diet and exercise affect your ketosis.

**Highlights:** Instant breath acetone measurement, Accurate real acetone sensor, Bluetooth device connectivity, Log ketosis records, Monitor fat-burning status, Track diet and exercise impact

**Features:** macOS Compatibility

**In-app purchases:** none


### Howard

[App page](https://appshunter.io/ios/app/howard/id6748033731)

This app provides a real-time picture of your wellness by connecting sleep, stress, nutrition, and fitness data. It offers personalized AI coaching and insights tailored to your daily demands and performance goals.

**Highlights:** Real-time biometric dashboard, AI coaching that adapts to your day, Shift and training-aware intelligence, Holistic wellness tracking, Voice stress check-ins, Peer benchmarks, Location-aware wellness resources

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

**In-app purchases:** none


## Frequently asked questions

### Is KetoAir free?

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

### Is Howard free?

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

### Which has better reviews, KetoAir or Howard?

Howard is rated higher. KetoAir averages 1.5 out of 5 from 2 ratings, while Howard averages 5.0 from 8 ratings.

### Do KetoAir or Howard have ads?

Neither KetoAir nor Howard shows ads.

### Which is updated more often, KetoAir or Howard?

KetoAir ships an update every 2 months, and Howard every 2 weeks. Most recently, KetoAir was updated on October 6, 2026 and Howard on October 24, 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.*