# CalcKit vs Room Layout Sketch

The clearest difference is update cadence: Room Layout Sketch at fortnightly against CalcKit's every 30 months. 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.

CalcKit ships an update every 30 months, Room Layout Sketch fortnightly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CalcKit | Room Layout Sketch |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 0 MB | 44 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Akkyra Systems](https://appshunter.io/developer/300710095) | [Venus Windsor](https://appshunter.io/developer/6780373588) |

## What reviewers say

### CalcKit

[App page](https://appshunter.io/ios/app/calckit/id321006774)

Design and build your own custom calculators with personalized formulas and input labels. Organize them into groups for easy access. Ideal for students, scientists, and engineers needing more than standard calculator functions.

**Highlights:** Design calculators with custom formulas, Up to seven user-defined variables, Built-in trig and math functions, Organize calculators into groups, Unlimited personal calculator creation

**Features:** macOS Compatibility

**In-app purchases:** none


### Room Layout Sketch

[App page](https://appshunter.io/ios/app/room-layout-sketch/id6780373586)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalcKit free?

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

### Is Room Layout Sketch free?

Room Layout Sketch is free to download, with no in-app purchases.

### Do CalcKit or Room Layout Sketch have ads?

Neither CalcKit nor Room Layout Sketch shows ads.

### Which is updated more often, CalcKit or Room Layout Sketch?

CalcKit ships an update every 30 months, and Room Layout Sketch fortnightly. Most recently, CalcKit was updated on October 10, 2026 and Room Layout Sketch on October 8, 2026.

---

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