# Sleepit vs Ketone Meter Breathalyzer

The clearest difference is ads: Sleepit at none against Ketone Meter Breathalyzer's shown. Sleepit also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, 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.

Sleepit ships an update every 11 days, Ketone Meter Breathalyzer every 2 weeks. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Sleepit | Ketone Meter Breathalyzer |
| --- | --- | --- |
| 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 | No |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | — | Ad-supported |
| Size | 128 MB | 47 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Shenzhen Miracle Intelligent Technology Co., LTD](https://appshunter.io/developer/1127154367) | [ReFleX Wireless Inc.](https://appshunter.io/developer/666581212) |

## What reviewers say

### Sleepit

[App page](https://appshunter.io/ios/app/sleepit/id6446971490)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ketone Meter Breathalyzer

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

This app works with a ketone meter device to track your body's fat-burning rate in real-time. It helps you set fitness goals, analyze historical data, and optimize your diet and workouts. Seamlessly sync your data across devices to stay on track with your health journey.

**Highlights:** Real-time fat burning rate tracking, Syncs with ketone meter devices, Personalized fitness insights, Goal setting and historical data analysis, Optimizes workouts and diet plans, Intuitive cross-device syncing

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleepit free?

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

### Is Ketone Meter Breathalyzer free?

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

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

Ketone Meter Breathalyzer shows ads; Sleepit does not.

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

Sleepit ships an update every 11 days, and Ketone Meter Breathalyzer every 2 weeks. Most recently, Sleepit was updated on October 25, 2026 and Ketone Meter Breathalyzer on November 4, 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.*