# COOts

> Navigation app for UTM/MGRS coordinate conversion and target guidance. (iPhone/iPad app by ishii yuuta.)

- Source: https://appshunter.io/ios/app/coots/id905257981 (this page in markdown: same URL + `.md`)
- Developer: [ishii yuuta](https://appshunter.io/developer/599423721)
- Category: Navigation, Utilities
- Price: Free
- Rating: 3.50/5 from 4 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.1 · 2 MB
- Languages: American English, Japanese
- Released: 2014-08-18
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/coots/id905257981/reviews.md

## What is COOts?

・COOts is an app that interconversion the position coordinates.
・The distance and orientation to the target to support the action of the user. 
・The headquarters of the U.S.Army Engineer has devised a UTM/MGRS.
・UTM/MGRS position indication system is used in such 
U.S.Army NATO JSDF.
・COOts are using WGS84 to datum.

## Key features

- Position coordinate conversion
- Distance and orientation to target
- UTM/MGRS system support
- WGS84 datum utilization
- Military-grade navigation standards

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/coots/id905257981/reviews.md

### 5/5 — App needs updating to use it

*2023-09-18*

Looks good and exactly what I need but I can’t install it until it’s updated …

### 5/5 — Needs an update

*2022-05-19*

Really good app but you need to update, so it’s runs on latest iOS

### 4/5 — Good app for converting coordinates

*2018-08-22*

Good app for converting cords but the map function is not working. The data allow screen flashes for a millisecond before shutting down the app when “MAP” is selected

## Frequently asked questions about COOts

### What is COOts used for?

COOts is a navigation app designed to convert position coordinates and provide users with the distance and orientation to their targets. It employs the UTM/MGRS system, which is a standard used by military forces.

### What coordinate systems does COOts support?

COOts supports the UTM (Universal Transverse Mercator) and MGRS (Military Grid Reference System) for position indication. It uses the WGS84 datum, a widely adopted geodetic datum.

### Is COOts suitable for general navigation?

While COOts uses military-standard systems, its core function of coordinate conversion and target guidance can be beneficial for users who need precise location data. It is particularly useful for those operating in environments where UTM/MGRS is relevant.

### What is the rating of COOts?

COOts has a rating of 3.5 stars based on 4 user ratings. This indicates a mixed but generally positive reception from its user base.

### On which devices can COOts be used?

COOts is available for iPhone and iPod devices. It is designed to function on Apple's mobile operating system.

### How often is COOts updated?

COOts was last updated on August 18, 2014, with version 1.0. The app has not received updates since its initial release date.

### Does COOts have ads?

No, COOts does not contain advertisements. As a free application, it provides its features without interruption from ads.

### What is the age rating for COOts?

COOts has an age rating of 4+. This suggests that the app is suitable for users of all ages, with no mature content.

## Version history (last 1 release)

### 1.0 — 2014-08-18

No release notes.

## Apps similar to COOts

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [GB Grid Converter](https://appshunter.io/ios/app/gb-grid-converter/id382369923) | 5.0 (1) | Free | Navigation |
| [B4i - Coordinates Calculator](https://appshunter.io/ios/app/b4i-coordinates-calculator/id915366768) | 3.5 (2) | Free | Navigation |
| [DMS Converter](https://appshunter.io/ios/app/dms-converter/id387618784) | 3.6 (28) | Free | Navigation |
| [Mountaya](https://appshunter.io/ios/app/mountaya/id6740774253) | 5.0 (1) | Free | Navigation |
| [Easy-Tracking](https://appshunter.io/ios/app/easy-tracking/id6476665335) | — | Free | Navigation |
| [Coordinate Converter - MyGPSC](https://appshunter.io/ios/app/coordinate-converter-mygpsc/id6748367405) | 5.0 (6) | Free | Navigation |

## More apps by ishii yuuta

- [GPSts](https://appshunter.io/ios/app/gpsts/id599423718)

All apps by ishii yuuta: https://appshunter.io/developer/599423721

## Related topics

[coots](https://appshunter.io/ios/topics/coots) · [ishii yuuta](https://appshunter.io/ios/topics/ishii-yuuta)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*