# COREY POWER vs Freestyle Calculator

The clearest difference is in-app purchases: COREY POWER at none against Freestyle Calculator's 6. COREY POWER also leads on iOS requirement (13.0 vs 16.0). Freestyle Calculator's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Freestyle Calculator sells 6 in-app purchases, starting at $0.99 per month. COREY POWER asks for nothing beyond the download.

COREY POWER ships an update every 3 weeks, Freestyle Calculator weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | COREY POWER | Freestyle Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/freestyle-calculator-sci-and-fx/id6760956908/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 51 MB | 27 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu E-Linter Information Technology Co., Ltd.](https://appshunter.io/developer/1149235329) | [锋 邹](https://appshunter.io/developer/1863829052) |

## What reviewers say

### COREY POWER

[App page](https://appshunter.io/ios/app/corey-power/id6752752236)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is COREY POWER free?

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

### Is Freestyle Calculator free?

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

### Do COREY POWER or Freestyle Calculator have ads?

Neither COREY POWER nor Freestyle Calculator shows ads.

### Which is updated more often, COREY POWER or Freestyle Calculator?

COREY POWER ships an update every 3 weeks, and Freestyle Calculator weekly. Most recently, COREY POWER was updated on October 30, 2026 and Freestyle Calculator 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.*