# Kalkulators vs ReadableCalc

The clearest difference is in-app purchases: ReadableCalc at none against Kalkulators's 1. ReadableCalc also leads on update cadence (weekly vs every 9 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

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

Kalkulators ships an update every 9 months, ReadableCalc weekly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kalkulators | ReadableCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kalkulators/id761590320/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 28 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iPinsoft](https://appshunter.io/developer/344616291) | [YONAGARE LAB](https://appshunter.io/developer/1810986554) |

## What reviewers say

### Kalkulators

[App page](https://appshunter.io/ios/app/kalkulators/id761590320)

This app allows for complex calculations using numbers, operators, and variables. It offers multiple calculator instances and theme customization. Advanced mathematical functions and extended limits are available via in-app purchase.

**Highlights:** Expression input with operators and parentheses, Real-time calculation as you type, Variable support for dynamic calculations, Multiple calculator instances, Customizable themes (light/dark), User-defined precision

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kalkulators Pro | $0.99 | one-time |


### ReadableCalc

[App page](https://appshunter.io/ios/app/readablecalc/id6747457253)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kalkulators free?

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

### Is ReadableCalc free?

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

### Do Kalkulators or ReadableCalc have ads?

Neither Kalkulators nor ReadableCalc shows ads.

### Which is updated more often, Kalkulators or ReadableCalc?

Kalkulators ships an update every 9 months, and ReadableCalc weekly. Most recently, Kalkulators was updated on October 8, 2026 and ReadableCalc 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.*