# Shock Math Calculator vs TOEIC Master Pro

The clearest difference is in-app purchases: Shock Math Calculator at none against TOEIC Master Pro's 1. TOEIC Master Pro's advantage is update cadence (every 6 days vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. TOEIC Master Pro sells 1 in-app purchase, starting at $19.99 per 3 months. Shock Math Calculator asks for nothing beyond the download.

Shock Math Calculator ships an update every 3 weeks, TOEIC Master Pro every 6 days. The most recent releases landed on September 18, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Shock Math Calculator | TOEIC Master Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 4 MB | 69 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Manley](https://appshunter.io/developer/1650623300) | [Yen Nguyen](https://appshunter.io/developer/1370538562) |

## What reviewers say

### Shock Math Calculator

[App page](https://appshunter.io/ios/app/shock-math-calculator/id6443923018)

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

**In-app purchases:** none


### TOEIC Master Pro

[App page](https://appshunter.io/ios/app/toeic-master-pro/id6754583144)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TOEIC Pro | $19.99 | per 3 months |


## Frequently asked questions

### Is Shock Math Calculator free?

Shock Math Calculator is free to download, with no in-app purchases.

### Is TOEIC Master Pro free?

TOEIC Master Pro is free to download, with in-app purchases available.

### Do Shock Math Calculator or TOEIC Master Pro have ads?

Neither Shock Math Calculator nor TOEIC Master Pro shows ads.

### Which is updated more often, Shock Math Calculator or TOEIC Master Pro?

Shock Math Calculator ships an update every 3 weeks, and TOEIC Master Pro every 6 days. Most recently, Shock Math Calculator was updated on September 18, 2026 and TOEIC Master Pro on June 8, 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.*