# Calculator vs Klabim

The clearest difference is in-app purchases: Klabim at none against Calculator's 1. Klabim also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 3 months). Calculator's advantage is iOS requirement (15.0 vs 18.5). On price and device support there is nothing between them.

Both are free to download. Calculator sells 1 one-off in-app purchase. Klabim asks for nothing beyond the download.

Calculator ships an update every 3 months, Klabim every 4 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Calculator | Klabim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/calculator-15-calculators/id1609183107/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 10 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [Cederic Schmid](https://appshunter.io/developer/1833020611) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-15-calculators/id1609183107)

This app offers a comprehensive suite of 15 calculators for everyday and scientific needs. Easily perform basic arithmetic, complex scientific functions, and specialized calculations like sales tax, age, and loan payments. It also includes a robust unit converter for various measurements.

**Highlights:** 15 specialized calculators, Scientific calculation functions, Unit converter for length, area, volume, and more, Sales tax, age, and tip calculators, Loan, savings, and fuel calculators, Health and GPA calculators, World time display

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Klabim

[App page](https://appshunter.io/ios/app/klabim/id6751127127)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is Klabim free?

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

### Do Calculator or Klabim have ads?

Calculator shows ads; Klabim does not.

### Which is updated more often, Calculator or Klabim?

Calculator ships an update every 3 months, and Klabim every 4 weeks. Most recently, Calculator was updated on October 30, 2026 and Klabim on October 28, 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.*