# GOZumbrota vs TwoTenDegrees

The clearest difference is update cadence: TwoTenDegrees at every 9 days against GOZumbrota's every 6 months. GOZumbrota's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GOZumbrota ships an update every 6 months, TwoTenDegrees every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GOZumbrota | TwoTenDegrees |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/twotendegrees/id6504466524/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 132 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [GOGov, Inc.](https://appshunter.io/developer/351223719) | [Scott Sloan](https://appshunter.io/developer/1752409905) |

## What reviewers say

### GOZumbrota

[App page](https://appshunter.io/ios/app/gozumbrota/id1571417007)

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

**In-app purchases:** none


### TwoTenDegrees

[App page](https://appshunter.io/ios/app/twotendegrees/id6504466524)

This utility calculates the impossible turn, a critical maneuver for pilots in case of engine failure. It provides precise calculations to help pilots determine the safest return to the runway.

**Highlights:** Impossible turn calculation, Engine failure scenario, Runway return planning, Pilot utility tool

**In-app purchases:** none


## Frequently asked questions

### Is GOZumbrota free?

GOZumbrota is free to download, with no in-app purchases.

### Is TwoTenDegrees free?

TwoTenDegrees is free to download, with no in-app purchases.

### Do GOZumbrota or TwoTenDegrees have ads?

Neither GOZumbrota nor TwoTenDegrees shows ads.

### Which is updated more often, GOZumbrota or TwoTenDegrees?

GOZumbrota ships an update every 6 months, and TwoTenDegrees every 9 days. Most recently, GOZumbrota was updated on October 25, 2026 and TwoTenDegrees on October 24, 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.*