# CalcKit vs CastleWise

The clearest difference is in-app purchases: CalcKit at none against CastleWise's 1. CalcKit also leads on iOS requirement (15.6 vs 18.6). CastleWise's advantage is review sentiment (100% vs 80%). On price, ads and device support there is nothing between them.

Both are free to download. CastleWise sells 1 one-off in-app purchase. CalcKit asks for nothing beyond the download.

## The numbers

| Metric | CalcKit | CastleWise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/castlewise/id6794749740/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 0 MB | 24 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Akkyra Systems](https://appshunter.io/developer/300710095) | [Timothy Palladino](https://appshunter.io/developer/6794749742) |

## 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


### CastleWise

[App page](https://appshunter.io/ios/app/castlewise/id6794749740)

Manage your home's maintenance, records, and repairs with this comprehensive utility app. Track appliance details, schedule reminders for tasks like filter changes, and access step-by-step guides for common home projects. It also helps diagnose issues and identify necessary parts.

**Highlights:** Home record keeping, Document vault for manuals and warranties, Customizable maintenance reminders, Step-by-step project guides, Troubleshooting and repair diagnostics, Electrical panel mapping, Paint color capture

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CastleWise Pro | $9.99 | one-time |


## Frequently asked questions

### Is CalcKit free?

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

### Is CastleWise free?

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

### Do CalcKit or CastleWise have ads?

Neither CalcKit nor CastleWise shows ads.

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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.*