# AirPosture vs Ghost Runner G2

The clearest difference is in-app purchases: Ghost Runner G2 at none against AirPosture's 2. AirPosture's advantage is update cadence (every 3 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AirPosture sells 2 in-app purchases, starting at $4.99 per month. Ghost Runner G2 asks for nothing beyond the download.

AirPosture ships an update every 3 days, Ghost Runner G2 every 5 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AirPosture | Ghost Runner G2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 months |
| Monetization | Freemium | — |
| Size | 102 MB | 5 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Relja Bulajic](https://appshunter.io/developer/1801518678) | [Atlas Codes LTD](https://appshunter.io/developer/1757136727) |

## What reviewers say

### AirPosture

[App page](https://appshunter.io/ios/app/airposture-sit-straight/id6749489000)

This app uses your AirPods to track your posture in real-time, providing gentle nudges when you slouch. It offers a posture score, AI coaching, and visual assessments to help you improve your alignment and build better habits without extra hardware.

**Highlights:** AirPods motion sensor tracking, Real-time posture scoring, AI-powered posture coach, Guided posture assessments, Background tracking for focus sessions, Streaks and social challenges

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |


### Ghost Runner G2

[App page](https://appshunter.io/ios/app/ghost-runner-g2/id6761507661)

**In-app purchases:** none


## Frequently asked questions

### Is AirPosture free?

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

### Is Ghost Runner G2 free?

Ghost Runner G2 is free to download, with no in-app purchases.

### Do AirPosture or Ghost Runner G2 have ads?

Neither AirPosture nor Ghost Runner G2 shows ads.

### Which is updated more often, AirPosture or Ghost Runner G2?

AirPosture ships an update every 3 days, and Ghost Runner G2 every 5 months. Most recently, AirPosture was updated on October 24, 2026 and Ghost Runner G2 on October 25, 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.*