# ACT on Vaping vs CISA Exam Simulator

The clearest difference is in-app purchases: ACT on Vaping at none against CISA Exam Simulator's 3. CISA Exam Simulator's advantage is update cadence (every 3 months vs every 13 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CISA Exam Simulator sells 3 in-app purchases, starting at $9.99 per month. ACT on Vaping asks for nothing beyond the download.

ACT on Vaping ships an update every 13 months, CISA Exam Simulator every 3 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ACT on Vaping | CISA Exam Simulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 months** |
| Size | 335 MB | 95 MB |
| Requires iOS | **14.0.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Fred Hutch Cancer Research Center](https://appshunter.io/developer/1205729311) | [Tuan Anh Nguyen](https://appshunter.io/developer/1851661845) |

## What reviewers say

### ACT on Vaping

[App page](https://appshunter.io/ios/app/act-on-vaping/id6457416015)

**In-app purchases:** none


### CISA Exam Simulator

[App page](https://appshunter.io/ios/app/cisa-exam-simulator/id6757156755)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Quarterly | $19.99 | per 3 months |
| Premium Yearly | $59.99 | per year |


## Frequently asked questions

### Is ACT on Vaping free?

ACT on Vaping is free to download, with no in-app purchases.

### Is CISA Exam Simulator free?

CISA Exam Simulator is free to download, with in-app purchases available.

### Do ACT on Vaping or CISA Exam Simulator have ads?

Neither ACT on Vaping nor CISA Exam Simulator shows ads.

### Which is updated more often, ACT on Vaping or CISA Exam Simulator?

ACT on Vaping ships an update every 13 months, and CISA Exam Simulator every 3 months. Most recently, ACT on Vaping was updated on October 30, 2026 and CISA Exam Simulator on October 24, 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.*