# Spirogram vs Calmer Parent

The clearest difference is in-app purchases: Spirogram at none against Calmer Parent's 12. Spirogram also leads on iOS requirement (10.0 vs 14.0). Calmer Parent's advantage is update cadence (every 6 weeks vs every 3 months). 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. Spirogram asks for nothing beyond the download.

Spirogram ships an update every 3 months, Calmer Parent every 6 weeks. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Spirogram | Calmer Parent |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 45 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Curavista BV](https://appshunter.io/developer/1021948460) | [HENADZI E SUBACH](https://appshunter.io/developer/1652217150) |

## What reviewers say

### Spirogram

[App page](https://appshunter.io/ios/app/spirogram/id1356105028)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Spirogram free?

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

### Is Calmer Parent free?

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

### Do Spirogram or Calmer Parent have ads?

Neither Spirogram nor Calmer Parent shows ads.

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

Spirogram ships an update every 3 months, and Calmer Parent every 6 weeks. Most recently, Spirogram was updated on September 26, 2026 and Calmer Parent on September 21, 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.*