# Ketone Meter Breathalyzer vs StackWise

The clearest difference is in-app purchases: Ketone Meter Breathalyzer at none against StackWise's 2. Ketone Meter Breathalyzer also leads on update cadence (every 2 weeks vs every 2 months). StackWise's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. StackWise sells 2 in-app purchases, starting at $4.99 per month. Ketone Meter Breathalyzer asks for nothing beyond the download.

Ketone Meter Breathalyzer ships an update every 2 weeks, StackWise every 2 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Ketone Meter Breathalyzer | StackWise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/ketone-meter-breathalyzer/id6448868757/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 47 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ReFleX Wireless Inc.](https://appshunter.io/developer/666581212) | [Aliaksandr Liubchanka](https://appshunter.io/developer/1435734178) |

## What reviewers say

### Ketone Meter Breathalyzer

[App page](https://appshunter.io/ios/app/ketone-meter-breathalyzer/id6448868757)

This app pairs with a ketone meter device to provide real-time tracking of your body's fat-burning rate. It helps you set goals, analyze historical data, and optimize your fitness and diet plans for peak performance.

**Highlights:** Real-time fat burning rate tracking, Syncs with ketone meter devices, Personalized insights, Goal setting, Historical data analysis, Optimizes workouts and diet

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

**In-app purchases:** none


### StackWise

[App page](https://appshunter.io/ios/app/stackwise-supplement-planner/id6760896206)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $4.99 | per month |
| Premium (Annual) | $29.99 | per year |


## Frequently asked questions

### Is Ketone Meter Breathalyzer free?

Ketone Meter Breathalyzer is free to download, with no in-app purchases.

### Is StackWise free?

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

### Do Ketone Meter Breathalyzer or StackWise have ads?

Ketone Meter Breathalyzer shows ads; StackWise does not.

### Which is updated more often, Ketone Meter Breathalyzer or StackWise?

Ketone Meter Breathalyzer ships an update every 2 weeks, and StackWise every 2 months. Most recently, Ketone Meter Breathalyzer was updated on October 21, 2026 and StackWise on October 14, 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.*