# Cellular Respiration Process vs Rostou!

The clearest difference is price: Rostou! at Free against Cellular Respiration Process's $0.99. Rostou! also leads on update cadence (every 6 weeks vs every 27 months). Cellular Respiration Process's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 16.2). On ads and device support there is nothing between them.

Rostou! is free to download; Cellular Respiration Process costs $0.99 up front. Rostou! sells 2 in-app purchases, starting at $24.99 per year. Cellular Respiration Process asks for nothing beyond the download.

Cellular Respiration Process ships an update every 27 months, Rostou! every 6 weeks. The most recent releases landed on October 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Cellular Respiration Process | Rostou! |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/cellular-respiration-process/id1198448217/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 6 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 24 MB | 284 MB |
| Requires iOS | **12.0** | 16.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Jan Stehlik](https://appshunter.io/developer/1602259415) |

## What reviewers say

### Cellular Respiration Process

[App page](https://appshunter.io/ios/app/cellular-respiration-process/id1198448217)

An interactive educational app designed to help students aged 11-15 learn about the respiration process, including aerobic and anaerobic respiration, and gas exchange in the lungs. It uses colorful visuals and engaging activities for an immersive learning experience.

**Highlights:** Interactive learning modules, Visual aids with colorful images, Do It Yourself activities, Practice opportunities, Quiz for assessment

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

**In-app purchases:** none


### Rostou!

[App page](https://appshunter.io/ios/app/rostou-mushroom-guide/id1602259413)

Identify wild mushrooms with detailed descriptions, habitat information, and lookalike warnings. Save your findings to a map, create shared albums, and learn about fungi through fun facts and educational articles. The app supports offline use and iCloud syncing.

**Highlights:** Mushroom identification with detailed descriptions, Habitat and lookalike information, Save findings to a map, Shared albums for group foraging, Offline access to species data, Educational articles and fun facts, iCloud data syncing

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual | $24.99 | per year |
| Family | $34.99 | per year |


## Frequently asked questions

### Is Cellular Respiration Process free?

Cellular Respiration Process costs $0.99, with no in-app purchases.

### Is Rostou! free?

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

### Do Cellular Respiration Process or Rostou! have ads?

Neither Cellular Respiration Process nor Rostou! shows ads.

### Which is updated more often, Cellular Respiration Process or Rostou!?

Cellular Respiration Process ships an update every 27 months, and Rostou! every 6 weeks. Most recently, Cellular Respiration Process was updated on October 26, 2026 and Rostou! on October 3, 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.*