# CNA Practice Questions vs Formulae Pro

The clearest difference is in-app purchases: CNA Practice Questions at none against Formulae Pro's 3. CNA Practice Questions also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Formulae Pro's advantage is update cadence (every 4 days vs every 38 months). On price and device support there is nothing between them.

CNA Practice Questions costs $1.99 and Formulae Pro $1.99 up front. Formulae Pro sells 3 in-app purchases, starting at $1.99 per 7 days. CNA Practice Questions asks for nothing beyond the download.

CNA Practice Questions ships an update every 38 months, Formulae Pro every 4 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CNA Practice Questions | Formulae Pro |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 46 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Gulsen CAKIR](https://appshunter.io/developer/644171910) | [CAPDESIS S.A. DE C.V.](https://appshunter.io/developer/1639711954) |

## What reviewers say

### CNA Practice Questions

[App page](https://appshunter.io/ios/app/cna-practice-questions/id1473275077)

**Features:** macOS Compatibility

**In-app purchases:** none


### Formulae Pro

[App page](https://appshunter.io/ios/app/formulae-pro/id1666691016)

This educational app provides students and teachers with a comprehensive collection of solved formulas and exercises. It uses explanatory images and videos to enhance understanding and offers search functionality for specific formulas. Improve your academic skills effectively and simply.

**Highlights:** Solved formulas and exercises, Explanatory images and videos, Search for specific formulas, Concept comprehension tools, Academic performance improvement

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Formulae Pro Semanal | $1.99 | per 7 days |
| Formulae Pro Mensual | $5.99 | per month |
| Formulae Pro Anual | $59.99 | per year |


## Frequently asked questions

### Is CNA Practice Questions free?

CNA Practice Questions costs $1.99, with no in-app purchases.

### Is Formulae Pro free?

Formulae Pro costs $1.99, and also offers in-app purchases.

### Do CNA Practice Questions or Formulae Pro have ads?

Formulae Pro shows ads; CNA Practice Questions does not.

### Which is updated more often, CNA Practice Questions or Formulae Pro?

CNA Practice Questions ships an update every 38 months, and Formulae Pro every 4 days. Most recently, CNA Practice Questions was updated on October 6, 2026 and Formulae Pro 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.*