# Estes Disaster Response vs E6B

The clearest difference is in-app purchases: Estes Disaster Response at none against E6B's 2. Estes Disaster Response also leads on iOS requirement (16.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. E6B sells 2 in-app purchases, starting at $4.99 per month. Estes Disaster Response asks for nothing beyond the download.

## The numbers

| Metric | Estes Disaster Response | E6B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/e6b-flight-computer/id6759972536/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | — | Freemium |
| Size | 77 MB | 26 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [SensorTransport Inc](https://appshunter.io/developer/1331871720) | [Mikhail Nikitin](https://appshunter.io/developer/1826368571) |

## What reviewers say

### Estes Disaster Response

[App page](https://appshunter.io/ios/app/estes-disaster-response/id1481416116)

**Features:** Vision Pro support

**In-app purchases:** none


### E6B

[App page](https://appshunter.io/ios/app/e6b-flight-computer/id6759972536)

This app provides a comprehensive suite of aviation calculations for pilots, including weather, preflight planning, in-flight adjustments, and weight and balance computations. It also offers a wide range of unit conversions for aviation-related metrics.

**Highlights:** Weather calculations (pressure/density altitude, crosswind), Preflight planning (airspeed, heading, fuel), In-flight calculations (true airspeed, altitude, groundspeed), Weight and balance with custom aircraft profiles, Extensive unit conversions, Time math (add/subtract times)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium | $4.99 | per month |
| premium | $29.99 | per year |


## Frequently asked questions

### Is Estes Disaster Response free?

Estes Disaster Response is free to download, with no in-app purchases.

### Is E6B free?

E6B is free to download, with in-app purchases available.

### Do Estes Disaster Response or E6B have ads?

Neither Estes Disaster Response nor E6B 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.*