# Crash Calc vs Response for FirstNet

The clearest difference is rating: Response for FirstNet at 4.8 against Crash Calc's 3.7. Response for FirstNet also leads on in-app purchases (none vs 4) and ratings volume (9 vs 3). Crash Calc's advantage is update cadence (monthly vs every 2 months) and iOS requirement (12.1 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Crash Calc sells 4 in-app purchases, starting at $3.99 per month. Response for FirstNet asks for nothing beyond the download.

Response for FirstNet holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 3 and 9 respectively.

Crash Calc ships an update monthly, Response for FirstNet every 2 months. The most recent releases landed on September 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Crash Calc | Response for FirstNet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/crash-calc/id1459449142/reviews) | **[4.8 (9 ratings)](https://appshunter.io/ios/app/response-for-firstnet/id1471006877/reviews)** |
| Number of ratings | 3 | **9** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 29 MB | 142 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Coastal Crash Consultants, LLC](https://appshunter.io/developer/1459449141) | [Intrepid Networks LLC](https://appshunter.io/developer/1176736579) |

## What reviewers say

### Crash Calc

[App page](https://appshunter.io/ios/app/crash-calc/id1459449142)

This app provides essential formulas for traffic accident reconstruction, accessible on your mobile device. It offers calculations for drag factors, speed, kinetic energy, and more, with both US and Metric units. Save your results directly on your phone, eliminating the need to return to the office.

**Highlights:** Traffic accident reconstruction formulas, US (Imperial) and Metric measurements, Drag factor calculations, Speed and momentum calculations, Kinetic energy and force calculations, Slope indicator for roadways, Save results on phone

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crash Calc (Monthly) | $3.99 | per month |
| Crash_Calc_Monthly | $3.99 | per month |
| Crash Calc (Yearly) | $39.99 | per year |
| Crash Calc Yearly | $39.99 | per year |


### Response for FirstNet

[App page](https://appshunter.io/ios/app/response-for-firstnet/id1471006877)

This platform enables teams to communicate, collaborate, and coordinate during daily operations and emergencies. It offers features for managing multiple operations, sharing information, and mobilizing teams with real-time location tracking and notifications.

**Highlights:** Overarching channels for segregating information, Real-time user location tracking, Interactive information sharing workspace, Emergency notification and team mobilization, Integrated to-do lists and task management, Push-to-talk (EPTT) integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Crash Calc free?

Crash Calc is free to download, with in-app purchases available.

### Is Response for FirstNet free?

Response for FirstNet is free to download, with no in-app purchases.

### Which has better reviews, Crash Calc or Response for FirstNet?

Response for FirstNet is rated higher. Crash Calc averages 3.7 out of 5 from 3 ratings, while Response for FirstNet averages 4.8 from 9 ratings.

### Do Crash Calc or Response for FirstNet have ads?

Neither Crash Calc nor Response for FirstNet shows ads.

### Which is updated more often, Crash Calc or Response for FirstNet?

Crash Calc ships an update monthly, and Response for FirstNet every 2 months. Most recently, Crash Calc was updated on September 17, 2026 and Response for FirstNet on October 10, 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.*