# Respiratio vs Nelby

The clearest difference is iOS requirement: Nelby at 16 against Respiratio's 18.4. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Respiratio sells 1 in-app purchase, starting at $22.99 per year and Nelby sells 5 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Respiratio | Nelby |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 6 MB | 20 MB |
| Requires iOS | 18.4 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pierre Favier](https://appshunter.io/developer/1816995948) | [Yann,Christophe LEPHAY](https://appshunter.io/developer/1836376678) |

## What reviewers say

### Respiratio

[App page](https://appshunter.io/ios/app/respiratio/id6746457356)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $22.99 | per year |


### Nelby

[App page](https://appshunter.io/ios/app/nelby/id6751712834)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eclo Premium Weekly | $3.99 | per 7 days |
| Eclo Premium Monthly | $4.99 | per month |
| Eclo Premium Monthly 7d Trial | $4.99 | per month |
| Eclo Premium Yearly | $29.99 | per year |
| Eclo Premium Yearly 7d Trial | $29.99 | per year |


## Frequently asked questions

### Is Respiratio free?

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

### Is Nelby free?

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

### Do Respiratio or Nelby have ads?

Neither Respiratio nor Nelby shows ads.

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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.*