# Calmio vs Sphere

The clearest difference is in-app purchases: Sphere at none against Calmio's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calmio sells 4 in-app purchases, starting at $6.49 per month. Sphere asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on June 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Calmio | Sphere |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 0 MB |
| Requires iOS | **14.0** | 14.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SciDat s.r.o.](https://appshunter.io/developer/1478727061) | [EFIN spol. s r.o.](https://appshunter.io/developer/768033710) |

## What reviewers say

### Calmio

[App page](https://appshunter.io/ios/app/calmio/id1476384493)

This app offers science-backed meditation and practical methods to calm your mind, connect with your body, and enhance your well-being. Just a few minutes daily can help reduce stress, improve focus, and promote better sleep.

**Highlights:** Science-backed meditation techniques, Guided mindfulness practices, Stress reduction exercises, Improved focus and concentration, Enhanced sleep quality, Body awareness exercises

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Měsíční | $6.49 | per month |
| Měsíční | $9.49 | per month |
| Roční | $51.99 | per year |
| Navěky | $349.99 | one-time |


### Sphere

[App page](https://appshunter.io/ios/app/sphere/id1580538736)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Calmio free?

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

### Is Sphere free?

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

### Do Calmio or Sphere have ads?

Neither Calmio nor Sphere shows ads.

### Which is updated more often, Calmio or Sphere?

Calmio ships an update every 6 weeks, and Sphere every 6 weeks. Most recently, Calmio was updated on June 1, 2026 and Sphere on September 23, 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.*