# Clouds Flashcards vs ActivSim

The clearest difference is update cadence: Clouds Flashcards at every 4 days against ActivSim's every 3 months. Clouds Flashcards also leads on iOS requirement (13.4 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Clouds Flashcards sells 1 in-app purchase, starting at $1.99 per month and ActivSim sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Clouds Flashcards ships an update every 4 days, ActivSim every 3 months. Both last shipped on September 30, 2026.

## The numbers

| Metric | Clouds Flashcards | ActivSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/activsim/id6747092947/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 150 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Robert Rathbone](https://appshunter.io/developer/1612332986) | [Activ Life Limited](https://appshunter.io/developer/1802489978) |

## What reviewers say

### Clouds Flashcards

[App page](https://appshunter.io/ios/app/clouds-flashcards/id6475796199)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |


### ActivSim

[App page](https://appshunter.io/ios/app/activsim/id6747092947)

This educational platform offers interactive simulations for mastering Advanced Cardiac Life Support (ACLS) algorithms and ECG interpretation. It's designed for healthcare professionals, students, and emergency responders to practice critical skills.

**Highlights:** ECG waveform simulation, ACLS algorithm practice, ECG pattern recognition, Vital signs monitoring, Defibrillation simulation, Cardioversion simulation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| Annual | $44.99 | per year |


## Frequently asked questions

### Is Clouds Flashcards free?

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

### Is ActivSim free?

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

### Do Clouds Flashcards or ActivSim have ads?

Neither Clouds Flashcards nor ActivSim shows ads.

### Which is updated more often, Clouds Flashcards or ActivSim?

Clouds Flashcards ships an update every 4 days, and ActivSim every 3 months. Most recently, Clouds Flashcards was updated on September 30, 2026 and ActivSim on September 30, 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.*