# Calmer Parent vs Lung

The clearest difference is in-app purchases: Lung at none against Calmer Parent's 12. Lung also leads on update cadence (every 3 days vs every 6 weeks). Calmer Parent's advantage is iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Calmer Parent sells 12 in-app purchases, starting at $2.99 per month. Lung asks for nothing beyond the download.

Calmer Parent ships an update every 6 weeks, Lung every 3 days. The most recent releases landed on September 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Calmer Parent | Lung |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/calmer-parent/id6444087393/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 4 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [HENADZI E SUBACH](https://appshunter.io/developer/1652217150) | [Robert Lenart](https://appshunter.io/developer/1872991274) |

## What reviewers say

### Calmer Parent

[App page](https://appshunter.io/ios/app/calmer-parent/id6444087393)

This app helps you focus on your breath to improve your overall health and well-being. It offers guided exercises for general health, focus, stress reduction, and better sleep. By controlling your breathing, you can positively impact your body and mind.

**Highlights:** Respiratory rate monitoring, Guided breathing exercises, Focus and calm techniques, Antistress programs, Sleep improvement exercises, Supports lung function

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Weekly | $2.99 | per 7 days |
| Trial Weekly Premium | $2.99 | per 7 days |
| Calmer Parent Weekly Premium | $4.99 | per 7 days |
| Monthly | $8.99 | per month |
| Respiratory rate & Breathing | $12.99 | per month |
| Calmer Parent Monthly Premium | $19.99 | per month |
| Annual best offer | $29.99 | per year |
| Annual Premium | $59.99 | per year |
| Annual Premium | $99.99 | per year |
| Calmer Parent Exclusive | $99.99 | per year |
| Lifetime Premium | $129.99 | one-time |


### Lung

[App page](https://appshunter.io/ios/app/lung/id6758455227)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calmer Parent free?

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

### Is Lung free?

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

### Do Calmer Parent or Lung have ads?

Neither Calmer Parent nor Lung shows ads.

### Which is updated more often, Calmer Parent or Lung?

Calmer Parent ships an update every 6 weeks, and Lung every 3 days. Most recently, Calmer Parent was updated on September 21, 2026 and Lung on October 11, 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.*