# Cellular Respiration Process vs SpeakX

The clearest difference is price: SpeakX at Free against Cellular Respiration Process's $0.99. SpeakX also leads on rating (2.5 vs 1.0) and update cadence (every 4 weeks vs every 27 months). Cellular Respiration Process's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.6). On ratings volume, ads and device support there is nothing between them.

SpeakX is free to download; Cellular Respiration Process costs $0.99 up front. SpeakX sells 2 in-app purchases, starting at $19.99 per 3 months. Cellular Respiration Process asks for nothing beyond the download.

SpeakX holds the better App Store score, 2.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Cellular Respiration Process ships an update every 27 months, SpeakX every 4 weeks. The most recent releases landed on June 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Cellular Respiration Process | SpeakX |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/cellular-respiration-process/id1198448217/reviews) | **[2.5 (2 ratings)](https://appshunter.io/ios/app/speakx/id6503629066/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 4 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 24 MB | 7 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Xingchao Wang](https://appshunter.io/developer/1338137743) |

## 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

**In-app purchases:** none


### SpeakX

[App page](https://appshunter.io/ios/app/speakx/id6503629066)

Prepare for the IELTS Speaking test with an AI-powered app. It offers realistic mock exams, accurate proficiency assessments, and comprehensive learning modules to improve your English speaking, listening, reading, grammar, and vocabulary.

**Highlights:** IELTS Speaking Simulator, AI Proficiency Assessment, Interactive Spoken Dialogues, Listening, Reading, Grammar, Vocabulary Improvement, Authentic Learning Environment

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Service (3 Months) | $19.99 | per 3 months |
| Premium Service (1 Year) | $49.99 | per year |


## Frequently asked questions

### Is Cellular Respiration Process free?

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

### Is SpeakX free?

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

### Which has better reviews, Cellular Respiration Process or SpeakX?

SpeakX is rated higher. Cellular Respiration Process averages 1.0 out of 5 from 1 ratings, while SpeakX averages 2.5 from 2 ratings.

### Do Cellular Respiration Process or SpeakX have ads?

Neither Cellular Respiration Process nor SpeakX shows ads.

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

Cellular Respiration Process ships an update every 27 months, and SpeakX every 4 weeks. Most recently, Cellular Respiration Process was updated on June 24, 2026 and SpeakX on September 10, 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.*