# PoseGuard vs Promil Meter

The clearest difference is review sentiment: PoseGuard at 100% against Promil Meter's 50%. Promil Meter's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, update cadence, 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.

PoseGuard ships an update every 4 days, Promil Meter weekly. The most recent releases landed on September 13, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | PoseGuard | Promil Meter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free | Free |
| Size | 1 MB | 35 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Matteo Cotena](https://appshunter.io/developer/1731878639) | [Ali Can Olgen](https://appshunter.io/developer/1821864789) |

## What reviewers say

### PoseGuard

[App page](https://appshunter.io/ios/app/poseguard/id6743227917)

This app uses your AirPods' gyroscope to monitor head position and provide real-time feedback on posture. It sends gentle alerts to help you correct misalignment, preventing neck pain and muscle strain. Designed for those who sit for extended periods, it aims to improve posture and reduce chronic pain.

**Highlights:** Real-time head position monitoring, AirPods gyroscope integration, Smart posture alerts, Neck pain prevention, Easy setup

**In-app purchases:** none


### Promil Meter

[App page](https://appshunter.io/ios/app/promil-meter/id6747582404)

Calculate your blood alcohol content (BAC) in real-time using a scientific formula. Track your alcohol consumption, get estimated sober-up times, and receive driving warnings for responsible drinking.

**Highlights:** Real-time BAC calculation, Estimated time to sober up, Driving warnings, Multi-profile support, Custom alcohol types, Consumption history and statistics, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PoseGuard free?

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

### Is Promil Meter free?

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

### Do PoseGuard or Promil Meter have ads?

Neither PoseGuard nor Promil Meter shows ads.

### Which is updated more often, PoseGuard or Promil Meter?

PoseGuard ships an update every 4 days, and Promil Meter weekly. Most recently, PoseGuard was updated on September 13, 2026 and Promil Meter on July 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.*