# J.A.W.S. vs Trench Calculator

The clearest difference is in-app purchases: J.A.W.S. at none against Trench Calculator's 1. J.A.W.S. also leads on iOS requirement (8.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Trench Calculator sells 1 in-app purchase, starting at $1.49 per month. J.A.W.S. asks for nothing beyond the download.

J.A.W.S. ships an update every 7 months, Trench Calculator every 3 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | J.A.W.S. | Trench Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 12 MB | 32 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DynamicSource](https://appshunter.io/developer/599271858) | [Linesite Tech](https://appshunter.io/developer/1879873664) |

## What reviewers say

### J.A.W.S.

[App page](https://appshunter.io/ios/app/jaws/id994261391)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trench Calculator

[App page](https://appshunter.io/ios/app/trench-calculator/id6759792997)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trench Calculator – Monthly Plan | $1.49 | per month |


## Frequently asked questions

### Is J.A.W.S. free?

J.A.W.S. is free to download, with no in-app purchases.

### Is Trench Calculator free?

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

### Do J.A.W.S. or Trench Calculator have ads?

Neither J.A.W.S. nor Trench Calculator shows ads.

### Which is updated more often, J.A.W.S. or Trench Calculator?

J.A.W.S. ships an update every 7 months, and Trench Calculator every 3 months. Most recently, J.A.W.S. was updated on October 26, 2026 and Trench 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.*