# mchain vs Freestyle Calculator

The clearest difference is in-app purchases: mchain at none against Freestyle Calculator's 6. On price, update cadence, 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. mchain asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | mchain | 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 | Weekly | Weekly |
| Monetization | — | Freemium |
| Size | 145 MB | 27 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [m2cloud Inc](https://appshunter.io/developer/1566484064) | [锋 邹](https://appshunter.io/developer/1863829052) |

## What reviewers say

### mchain

[App page](https://appshunter.io/ios/app/mchain/id6740797123)

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

**In-app purchases:** none


### Freestyle Calculator

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

This app offers real-time calculation previews and flexible expression editing, eliminating the need for an equals button. It saves all calculations with a searchable history and includes unit and currency conversion. Advanced features allow for custom keyboard layouts, themes, and cloud synchronization.

**Highlights:** Real-time calculation preview, Flexible expression editing, Searchable calculation history, Unit and currency conversion, Customizable keyboard layouts, Cloud synchronization

**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 mchain free?

mchain 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 mchain or Freestyle Calculator have ads?

Neither mchain nor Freestyle Calculator shows ads.

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

mchain ships an update weekly, and Freestyle Calculator weekly. Most recently, mchain was updated on October 30, 2026 and Freestyle Calculator on October 28, 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.*