# Kalc vs Calculator ×

The clearest difference is in-app purchases: Kalc at none against Calculator ×'s 4. Kalc also leads on ads (none vs shown) and update cadence (every 9 days vs every 2 months). Calculator ×'s advantage is ratings volume (143 vs 3). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator × sells 4 in-app purchases, starting at $4.99 per year. Kalc asks for nothing beyond the download.

Kalc holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Calculator × has 143 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 96% of Kalc's written reviews are positive against 73% of Calculator ×'s.

Kalc ships an update every 9 days, Calculator × every 2 months. The most recent releases landed on June 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Kalc | Calculator × |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/kalc/id610991936/reviews)** | [4.5 (143 ratings)](https://appshunter.io/ios/app/calculator/id1039645790/reviews) |
| Number of ratings | 3 | **143** |
| Positive reviews | **96.2% of reviews** | 73.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 10 MB |
| Requires iOS | **13.4** | 13.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YUTA OKAJIMA](https://appshunter.io/developer/610991939) | [DOUBLE U s.r.o.](https://appshunter.io/developer/331787042) |

## What reviewers say

### Kalc

[App page](https://appshunter.io/ios/app/kalc/id610991936)

This utility app offers a unit converter, calculator, and world clock. Its user-friendly interface is designed for quick access to everyday calculations and conversions.

**Highlights:** Unit converter, Calculator, World clock, Simple UI, Quick results

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator ×

[App page](https://appshunter.io/ios/app/calculator/id1039645790)

This app redefines the calculator experience for touch-screen devices with a modern, intuitive design. It offers features like a tape log for storing calculations, formula evaluation, and iPad multitasking support for enhanced productivity.

**Highlights:** Tape Log for calculation history, Reuse, copy, and share calculations, Evaluate entire formulas at once, iPad multitasking support, Modern touch-screen design

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $4.99 | per year |
| Remove ads | $4.99 | one-time |
| Remove ads | $7.99 | one-time |
| Remove ads | $11.99 | one-time |


## Frequently asked questions

### Is Kalc free?

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

### Is Calculator × free?

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

### Which has better reviews, Kalc or Calculator ×?

Kalc is rated higher. Kalc averages 4.7 out of 5 from 3 ratings, while Calculator × averages 4.5 from 143 ratings.

### Do Kalc or Calculator × have ads?

Calculator × shows ads; Kalc does not.

### Which is updated more often, Kalc or Calculator ×?

Kalc ships an update every 9 days, and Calculator × every 2 months. Most recently, Kalc was updated on June 1, 2026 and Calculator × on September 21, 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.*