# Flysteal vs CalcKit

The clearest difference is in-app purchases: Flysteal at none against CalcKit's 3. CalcKit's advantage is iOS requirement (15 vs 18). 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. Flysteal asks for nothing beyond the download.

Flysteal ships an update every 2 weeks, CalcKit every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flysteal | CalcKit |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 124 MB |
| Requires iOS | 18 | **15** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TN KOWAH LTD](https://appshunter.io/developer/1884722668) | [麟浩 冯](https://appshunter.io/developer/1872258571) |

## What reviewers say

### Flysteal

[App page](https://appshunter.io/ios/app/flysteal/id6760492931)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Flysteal free?

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

### Is CalcKit free?

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

### Do Flysteal or CalcKit have ads?

Neither Flysteal nor CalcKit shows ads.

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

Flysteal ships an update every 2 weeks, and CalcKit every 3 weeks. Most recently, Flysteal was updated on October 25, 2026 and CalcKit 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.*