# Cell World vs Proportia

The clearest difference is update cadence: Proportia at daily against Cell World's every 18 months. Proportia also leads on rating (5.0 vs 4.6). Cell World's advantage is iOS requirement (6.0 vs 12.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Cell World costs $0.99 and Proportia $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Proportia holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 9 and 5 respectively. Written reviews point the same way: 94% of Cell World's written reviews are positive against 100% of Proportia's.

Cell World ships an update every 18 months, Proportia daily. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Cell World | Proportia |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/cell-world/id873302906/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/proportia/id6744179896/reviews)** |
| Number of ratings | **9** | 5 |
| Positive reviews | 94.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Daily** |
| Monetization | Paid | Paid |
| Size | 84 MB | 23 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Virtual Immersive Educational Worlds, Inc.](https://appshunter.io/developer/873302909) | [Cognichine, LLC](https://appshunter.io/developer/1806408356) |

## What reviewers say

### Cell World

[App page](https://appshunter.io/ios/app/cell-world/id873302906)

Explore the intricate world of a cell in an interactive, game-like experience. Navigate through the cytoplasm and discover the functions of various cell parts like the nucleus and mitochondria. This app offers an immersive journey into the microscopic elements that power the human body.

**Highlights:** Interactive cell exploration, Navigate cell parts, Discover organelle functions, Immersive microcosm experience, Educational gameplay

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

**In-app purchases:** none


### Proportia

[App page](https://appshunter.io/ios/app/proportia/id6744179896)

This app transforms numerical data into clear, proportional visual representations like circles, rectangles, or bars. It simplifies understanding ratios, comparing values, and building numeracy skills for students, educators, and professionals.

**Highlights:** Dynamic shape visualization (circles, bars, rectangles), Proportional resizing based on values, Interactive value entry with calculator, Customizable shape colors and settings, Real-time visual feedback, Clean, dark theme design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cell World free?

Cell World costs $0.99, with no in-app purchases.

### Is Proportia free?

Proportia costs $0.99, with no in-app purchases.

### Which has better reviews, Cell World or Proportia?

Proportia is rated higher. Cell World averages 4.6 out of 5 from 9 ratings, while Proportia averages 5.0 from 5 ratings.

### Do Cell World or Proportia have ads?

Neither Cell World nor Proportia shows ads.

### Which is updated more often, Cell World or Proportia?

Cell World ships an update every 18 months, and Proportia daily. Most recently, Cell World was updated on September 26, 2026 and Proportia on June 1, 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.*