# Trading Masters App vs Calculus Formulas

The clearest difference is in-app purchases: Trading Masters App at none against Calculus Formulas's 3. Calculus Formulas's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Calculus Formulas sells 3 in-app purchases, starting at $4.99 per 7 days. Trading Masters App asks for nothing beyond the download.

## The numbers

| Metric | Trading Masters App | Calculus Formulas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 21 MB | 48 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DR CODING FOR DIGITAL MARKETING](https://appshunter.io/developer/1619658260) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### Trading Masters App

[App page](https://appshunter.io/ios/app/trading-masters-app/id6504736425)

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

**In-app purchases:** none


### Calculus Formulas

[App page](https://appshunter.io/ios/app/calculus-formulas-calcref/id6761394165)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| CalcRef Yearly Premium | $44.99 | per year |
| CalcRef Premium Lifetime | $74.99 | one-time |


## Frequently asked questions

### Is Trading Masters App free?

Trading Masters App is free to download, with no in-app purchases.

### Is Calculus Formulas free?

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

### Do Trading Masters App or Calculus Formulas have ads?

Neither Trading Masters App nor Calculus Formulas 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.*