# CalcKit vs KOOKam

The clearest difference is in-app purchases: KOOKam at none against CalcKit's 3. CalcKit's advantage is iOS requirement (15 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CalcKit sells 3 in-app purchases, starting at $19.99 per 7 days. KOOKam asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | CalcKit | KOOKam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (102 ratings)](https://appshunter.io/ios/app/calckit-tip-convert-and-utils/id6760994727/reviews)** | — |
| Number of ratings | **102** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 124 MB | 9 MB |
| Requires iOS | **15** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [麟浩 冯](https://appshunter.io/developer/1872258571) | [Shenzhen Yilushi Technology Co.,ltd](https://appshunter.io/developer/1760309976) |

## What reviewers say

### CalcKit

[App page](https://appshunter.io/ios/app/calckit-tip-convert-and-utils/id6760994727)

This app offers over 50 practical tools to solve everyday problems, from measuring distances with AR to scanning documents and performing complex calculations. It includes features for navigation, unit conversion, and even a scrolling text display.

**Highlights:** AR Distance Meter, Document Scanning & OCR, All-Purpose Calculator, Unit Converter, Floating Scrolling Text, Decision Maker

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WeekMember For Three Days Free | $19.99 | per 7 days |
| WeekMember | $19.99 | per 7 days |
| MonthMember | $39.99 | per month |


### KOOKam

[App page](https://appshunter.io/ios/app/kookam/id6809370262)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalcKit free?

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

### Is KOOKam free?

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

### Do CalcKit or KOOKam have ads?

Neither CalcKit nor KOOKam shows ads.

### Which is updated more often, CalcKit or KOOKam?

CalcKit ships an update every 3 weeks, and KOOKam every 3 weeks. Most recently, CalcKit was updated on October 24, 2026 and KOOKam on October 24, 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.*