# Freestyle Calculator vs YingBox

The clearest difference is review sentiment: Freestyle Calculator at 100% against YingBox's 50%. Freestyle Calculator also leads on rating (5.0 vs 4.1). YingBox's advantage is update cadence (every 3 days vs weekly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Freestyle Calculator sells 6 in-app purchases, starting at $0.99 per month and YingBox sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Freestyle Calculator holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews point the same way: 100% of Freestyle Calculator's written reviews are positive against 50% of YingBox's.

Freestyle Calculator ships an update weekly, YingBox every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Freestyle Calculator | YingBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/freestyle-calculator-sci-and-fx/id6760956908/reviews)** | [4.1 (9 ratings)](https://appshunter.io/ios/app/yingbox/id6761600855/reviews) |
| Number of ratings | 8 | **9** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 27 MB | 137 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple TV** |
| Age rating | 4+ | 17+ |
| Developer | [锋 邹](https://appshunter.io/developer/1863829052) | [亚楠 段](https://appshunter.io/developer/1877066421) |

## What reviewers say

### Freestyle Calculator

[App page](https://appshunter.io/ios/app/freestyle-calculator-sci-and-fx/id6760956908)

This app offers real-time expression editing with instant results as you type, eliminating the need for an equals button. It features a searchable history, unit conversions, and customizable keyboard layouts and themes for a personalized calculation experience.

**Highlights:** Real-time expression preview, Live editing with cursor repositioning, Searchable, annotated calculation history, Unit conversions for various metrics, Customizable keyboard layouts and themes, Cloud sync for backup and restore

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcStudio Pro Monthly | $0.99 | per month |
| CalcStudio Pro Annual | $3.99 | per year |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| CalcStudio Pro Lifetime | $7.99 | one-time |
| Large Tip | $9.99 | one-time |


### YingBox

[App page](https://appshunter.io/ios/app/yingbox/id6761600855)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $9.99 | per year |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Freestyle Calculator free?

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

### Is YingBox free?

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

### Which has better reviews, Freestyle Calculator or YingBox?

Freestyle Calculator is rated higher. Freestyle Calculator averages 5.0 out of 5 from 8 ratings, while YingBox averages 4.1 from 9 ratings.

### Do Freestyle Calculator or YingBox have ads?

Neither Freestyle Calculator nor YingBox shows ads.

### Which is updated more often, Freestyle Calculator or YingBox?

Freestyle Calculator ships an update weekly, and YingBox every 3 days. Most recently, Freestyle Calculator was updated on November 5, 2026 and YingBox on November 5, 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.*