# Shock Math Calculator vs Trig Solver

The clearest difference is in-app purchases: Shock Math Calculator at none against Trig Solver's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Trig Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Shock Math Calculator asks for nothing beyond the download.

## The numbers

| Metric | Shock Math Calculator | Trig Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 5 MB | 54 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Gregory Manley](https://appshunter.io/developer/1650623300) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### Shock Math Calculator

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

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Trig Solver

[App page](https://appshunter.io/ios/app/trig-solver-trigonify/id6792816870)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trigonify Pro Weekly | $4.99 | per 7 days |
| Trigonify Pro Yearly | $34.99 | per year |
| Trigonify Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Shock Math Calculator free?

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

### Is Trig Solver free?

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

### Do Shock Math Calculator or Trig Solver have ads?

Neither Shock Math Calculator nor Trig Solver 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.*