# Kalc vs Smart Calc+

The clearest difference is update cadence: Smart Calc+ at every 3 days against Kalc's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kalc ships an update every 9 days, Smart Calc+ every 3 days. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Kalc | Smart Calc+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/kalc/id610991936/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 96.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 24 MB | 22 MB |
| Requires iOS | 13.4 | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YUTA OKAJIMA](https://appshunter.io/developer/610991939) | [Rahman Usta](https://appshunter.io/developer/1750311538) |

## 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


### Smart Calc+

[App page](https://appshunter.io/ios/app/smart-calc-plus/id6504203262)

**In-app purchases:** none


## Frequently asked questions

### Is Kalc free?

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

### Is Smart Calc+ free?

Smart Calc+ is free to download, with no in-app purchases.

### Do Kalc or Smart Calc+ have ads?

Neither Kalc nor Smart Calc+ shows ads.

### Which is updated more often, Kalc or Smart Calc+?

Kalc ships an update every 9 days, and Smart Calc+ every 3 days. Most recently, Kalc was updated on October 14, 2026 and Smart Calc+ on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*