# Mio vs Sterile Processing CRCST

The clearest difference is iOS requirement: Sterile Processing CRCST at 13.0 against Mio's 16.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mio sells 4 in-app purchases, starting at $9.99 per month and Sterile Processing CRCST sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Mio | Sterile Processing CRCST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/mio-ai-language-tutor/id6756390381/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Freemium | — |
| Size | 109 MB | 24 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Johan, Jean-Pierre, Romain RINCON-BRAZILLIER](https://appshunter.io/developer/1819320199) | [fly sky pty ltd](https://appshunter.io/developer/1838696534) |

## What reviewers say

### Mio

[App page](https://appshunter.io/ios/app/mio-ai-language-tutor/id6756390381)

Practice speaking a new language with an AI tutor through daily voice conversations and real-life scenarios. Explore folk tales, complete adaptive exercises, and access structured CEFR lessons for 13 languages.

**Highlights:** AI voice conversations, Real-life situation practice, Adaptive exercises, CEFR structured lessons, Illustrated folk tales, Listening comprehension

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mio Premium | $9.99 | per month |
| Mio Premium | $10.99 | per month |
| Mio Premium | $49.99 | per year |
| Mio Premium | $59.99 | per year |


### Sterile Processing CRCST

[App page](https://appshunter.io/ios/app/sterile-processing-crcst/id6778986305)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sterile Proc Weekly | $6.99 | per 7 days |
| Sterile Proc Monthly | $16.99 | per month |
| Sterile Proc Yearly | $39.99 | per year |
| Sterile Proc Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Mio free?

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

### Is Sterile Processing CRCST free?

Sterile Processing CRCST is free to download, with in-app purchases available.

### Do Mio or Sterile Processing CRCST have ads?

Neither Mio nor Sterile Processing CRCST shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*