# Ecological Pyramid vs CloudLabs Circulatory system

The clearest difference is price: CloudLabs Circulatory system at Free against Ecological Pyramid's $0.99. CloudLabs Circulatory system also leads on device support (3 vs 1) and iOS requirement (9.0 vs 12.0). On update cadence, ads and in-app purchases there is nothing between them.

CloudLabs Circulatory system is free to download; Ecological Pyramid costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ecological Pyramid ships an update every 13 months, CloudLabs Circulatory system every 21 months. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Ecological Pyramid | CloudLabs Circulatory system |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ecological-pyramid/id1002379515/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 21 months |
| Monetization | Paid | — |
| Size | 76 MB | 116 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Ecological Pyramid

[App page](https://appshunter.io/ios/app/ecological-pyramid/id1002379515)

This app uses animation to teach children about Earth's ecosystems, food chains, and the hierarchy of life. It offers interactive elements to test understanding of ecological pyramids and food chain processes.

**Highlights:** Animated food chain explanations, Detailed theory on ecological pyramids, Interactive ecosystem exploration, Food chain hierarchy assessment, K12 adaptive learning model

**Features:** macOS Compatibility

**In-app purchases:** none


### CloudLabs Circulatory system

[App page](https://appshunter.io/ios/app/cloudlabs-circulatory-system/id1635767989)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ecological Pyramid free?

Ecological Pyramid costs $0.99, with no in-app purchases.

### Is CloudLabs Circulatory system free?

CloudLabs Circulatory system is free to download, with no in-app purchases.

### Do Ecological Pyramid or CloudLabs Circulatory system have ads?

Neither Ecological Pyramid nor CloudLabs Circulatory system shows ads.

### Which is updated more often, Ecological Pyramid or CloudLabs Circulatory system?

Ecological Pyramid ships an update every 13 months, and CloudLabs Circulatory system every 21 months. Most recently, Ecological Pyramid was updated on October 3, 2026 and CloudLabs Circulatory system on October 14, 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.*