# Calculatrix vs Cognize

The clearest difference is in-app purchases: Calculatrix at none against Cognize's 2. Cognize's advantage is ads (none vs shown) and update cadence (weekly vs every 8 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cognize sells 2 in-app purchases, starting at $2.99 per month. Calculatrix asks for nothing beyond the download.

Calculatrix ships an update every 8 months, Cognize weekly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Calculatrix | Cognize |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Weekly** |
| Size | 21 MB | 110 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kangah Jacques N'GUESSAN](https://appshunter.io/developer/1161253245) | [Andrea Tesoro](https://appshunter.io/developer/1799709221) |

## What reviewers say

### Calculatrix

[App page](https://appshunter.io/ios/app/calculatrix/id1448024245)

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

**In-app purchases:** none


### Cognize

[App page](https://appshunter.io/ios/app/cognize-habit-tracker-and-focus/id6742746066)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan — $3.99 per month | $2.99 | per month |
| Yearly Plan — $24.99 per year | $34.99 | per year |


## Frequently asked questions

### Is Calculatrix free?

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

### Is Cognize free?

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

### Do Calculatrix or Cognize have ads?

Calculatrix shows ads; Cognize does not.

### Which is updated more often, Calculatrix or Cognize?

Calculatrix ships an update every 8 months, and Cognize weekly. Most recently, Calculatrix was updated on October 24, 2026 and Cognize on October 7, 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.*