# Calculator area vs Notivation

The clearest difference is in-app purchases: Calculator area at none against Notivation's 3. Calculator area also leads on device support (4 vs 2) and iOS requirement (14.0 vs 16.0). Notivation's advantage is ads (none vs shown) and update cadence (every 4 months vs every 11 months). On price there is nothing between them.

Both are free to download. Notivation sells 3 in-app purchases, starting at $1.99 per month. Calculator area asks for nothing beyond the download.

Calculator area ships an update every 11 months, Notivation every 4 months. The most recent releases landed on September 25, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Calculator area | Notivation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/calculator-area/id1619542459/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Size | 38 MB | 19 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KSENIYA DEMIDOVA](https://appshunter.io/developer/1595082340) | [Gokhan Alp Atar](https://appshunter.io/developer/1793941932) |

## What reviewers say

### Calculator area

[App page](https://appshunter.io/ios/app/calculator-area/id1619542459)

Easily calculate the area of various shapes like rooms, roofs, and ceilings with a few taps. The app automatically corrects right angles and offers an option for manual angle correction to create any shape. It also allows for easy manipulation of angles and merging of walls.

**Highlights:** Calculate area of rooms, roofs, ceilings, Automatic right angle correction, Manual angle correction for any shape, Move and merge walls, User feedback integration

**In-app purchases:** none


### Notivation

[App page](https://appshunter.io/ios/app/notivation/id6759493897)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notivation Pro Monthly | $1.99 | per month |
| Notivation Pro Yearly | $15.99 | per year |
| Notivation Pro Lifetime | $47.99 | one-time |


## Frequently asked questions

### Is Calculator area free?

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

### Is Notivation free?

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

### Do Calculator area or Notivation have ads?

Calculator area shows ads; Notivation does not.

### Which is updated more often, Calculator area or Notivation?

Calculator area ships an update every 11 months, and Notivation every 4 months. Most recently, Calculator area was updated on September 25, 2026 and Notivation on October 3, 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.*