# AlgalSex vs Cardiovascular System Trivia

The clearest difference is price: AlgalSex at Free against Cardiovascular System Trivia's $2.99. AlgalSex also leads on update cadence (every 6 weeks vs every 12 months). Cardiovascular System Trivia's advantage is iOS requirement (11.0 vs 15.4). On ads, in-app purchases and device support there is nothing between them.

AlgalSex is free to download; Cardiovascular System Trivia costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AlgalSex ships an update every 6 weeks, Cardiovascular System Trivia every 12 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | AlgalSex | Cardiovascular System Trivia |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[2.8 (9 ratings)](https://appshunter.io/ios/app/algalsex/id339965821/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 12 months |
| Monetization | Free | — |
| Size | 182 MB | 19 MB |
| Requires iOS | 15.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TSUCHIKANE](https://appshunter.io/developer/339965824) | [Gulsen CAKIR](https://appshunter.io/developer/644171910) |

## What reviewers say

### AlgalSex

[App page](https://appshunter.io/ios/app/algalsex/id339965821)

Explore the life cycle of algae with this educational application. Designed for iPhone and iPod touch, it offers a visual learning experience for users interested in phycology.

**Highlights:** Observe algae life cycle, Phycological education, iPhone and iPod touch compatible, Visual learning tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Cardiovascular System Trivia

[App page](https://appshunter.io/ios/app/cardiovascular-system-trivia/id664792680)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AlgalSex free?

AlgalSex is free to download, with no in-app purchases.

### Is Cardiovascular System Trivia free?

Cardiovascular System Trivia costs $2.99, with no in-app purchases.

### Do AlgalSex or Cardiovascular System Trivia have ads?

Neither AlgalSex nor Cardiovascular System Trivia shows ads.

### Which is updated more often, AlgalSex or Cardiovascular System Trivia?

AlgalSex ships an update every 6 weeks, and Cardiovascular System Trivia every 12 months. Most recently, AlgalSex was updated on October 23, 2026 and Cardiovascular System Trivia on October 23, 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.*