# Triangles in Geometry vs CloudLabs Circulatory system

The clearest difference is price: CloudLabs Circulatory system at Free against Triangles in Geometry's $1.99. CloudLabs Circulatory system also leads on iOS requirement (9.0 vs 14.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

CloudLabs Circulatory system is free to download; Triangles in Geometry costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Triangles in Geometry ships an update every 27 months, CloudLabs Circulatory system every 21 months. The most recent releases landed on September 2, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Triangles in Geometry | CloudLabs Circulatory system |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/triangles-in-geometry/id1500084079/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 21 months** |
| Monetization | Paid | — |
| Size | 6 MB | 116 MB |
| Requires iOS | 14.1 | **9.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gomathy Shankaran](https://appshunter.io/developer/503956143) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Triangles in Geometry

[App page](https://appshunter.io/ios/app/triangles-in-geometry/id1500084079)

Learn the fundamentals of triangles, including types, centers, and area calculations. This app explains theorems and postulates with visual aids and includes review quizzes to test understanding.

**Highlights:** Triangle basics (Acute, Obtuse, Right Angle), Triangle centers (Centroid, Incenter, Orthocenter), Area calculations, Triangle theorems and postulates explained, Visual aids and images, Review quizzes

**Features:** Vision Pro support

**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 Triangles in Geometry free?

Triangles in Geometry costs $1.99, with no in-app purchases.

### Is CloudLabs Circulatory system free?

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

### Do Triangles in Geometry or CloudLabs Circulatory system have ads?

Neither Triangles in Geometry nor CloudLabs Circulatory system shows ads.

### Which is updated more often, Triangles in Geometry or CloudLabs Circulatory system?

Triangles in Geometry ships an update every 27 months, and CloudLabs Circulatory system every 21 months. Most recently, Triangles in Geometry was updated on September 2, 2026 and CloudLabs Circulatory system 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.*