# Coordinates vs Sight Calc

The clearest difference is price: Coordinates at Free against Sight Calc's $1.99. Coordinates also leads on update cadence (monthly vs every 11 months) and ratings volume (6.7K vs 7). Sight Calc's advantage is in-app purchases (none vs 6) and ads (none vs shown). On iOS requirement there is nothing between them.

Coordinates is free to download; Sight Calc costs $1.99 up front. Coordinates sells 6 in-app purchases, starting at $1.99 per month. Sight Calc asks for nothing beyond the download.

Sight Calc holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Coordinates has 6.7K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 64% of Coordinates's written reviews are positive against 82% of Sight Calc's.

Coordinates ships an update monthly, Sight Calc every 11 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Coordinates | Sight Calc |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.6 (6.7K ratings)](https://appshunter.io/ios/app/coordinates-gps-converter/id494286614/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/sight-calc/id497809138/reviews)** |
| Number of ratings | **6.7K** | 7 |
| Positive reviews | 63.6% of reviews | **82.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 11 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 107 MB | 1 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mapnitude Company Limited](https://appshunter.io/developer/473558784) | [NUVOCOM INCORPORATED](https://appshunter.io/developer/497809141) |

## What reviewers say

### Coordinates

[App page](https://appshunter.io/ios/app/coordinates-gps-converter/id494286614)

This app is a versatile tool for converting and managing geographic coordinates. It supports numerous global formats and datums, allowing users to view, input, and save locations with rich details. Ideal for professionals and outdoor enthusiasts needing precise location data.

**Highlights:** Coordinate conversion (UTM, MGRS, Georef, etc.), Batch conversion of multiple coordinates, Add notes, photos, and media to saved locations, Datum conversion with PROJ.4 support, Real-time navigation and tracking, Offline map tile downloads, Import/export GPX, GeoJSON, KML files

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Upgrade | $1.99 | per month |
| Plus Upgrade | $2.99 | per month |
| Plus Upgrade | $9.99 | per 6 months |
| Plus Upgrade | $15.99 | per 6 months |
| Plus Upgrade | $17.99 | per year |
| Plus Upgrade | $28.99 | per year |

**What reviewers like**

- 🚀 Accurate location finding
- 👍 Simple and easy to use
- 💡 Supports multiple coordinate formats
- 🚀 Works well overseas
- 👍 Helpful for environmental research

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 💰 Expensive subscription to remove ads
- 🤔 Confusing or unintuitive user interface
- 🔍 Difficulty finding small locations
- 🙄 Ads covering important information

**Reported bugs**

- Coordinate display issues (e.g., UTM showing incorrect hemisphere)
- App crashing or freezing on launch
- Inability to delete drawn lines or markers
- Coordinate conversion not working as expected
- Compatibility issues with newer iPhone models

**Requested features**

- Navigation and routing functionality
- Support for What3Words coordinate system
- Option to set preferred coordinate format as default
- Ability to enter addresses or intersections to get coordinates
- Add altitude information to saved locations


### Sight Calc

[App page](https://appshunter.io/ios/app/sight-calc/id497809138)

This app is a specialized calculator for sight reductions using the Law of Cosines method. It's designed for students learning celestial navigation and requires manual input of LHA, declination, and approximate latitude.

**Highlights:** Law of Cosines sight reduction, Manual LHA, declination, and latitude input, Input as degrees/minutes or decimal degrees, Continuous computation of Hc, Z, and Zn, Supports North/South latitude and declination conventions, Clear and clear entry functions, Convert minutes to decimal degrees

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Coordinates free?

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

### Is Sight Calc free?

Sight Calc costs $1.99, with no in-app purchases.

### Which has better reviews, Coordinates or Sight Calc?

Sight Calc is rated higher. Coordinates averages 4.6 out of 5 from 6.7K ratings, while Sight Calc averages 5.0 from 7 ratings.

### Do Coordinates or Sight Calc have ads?

Coordinates shows ads; Sight Calc does not.

### Which is updated more often, Coordinates or Sight Calc?

Coordinates ships an update monthly, and Sight Calc every 11 months. Most recently, Coordinates was updated on October 17, 2026 and Sight Calc on October 15, 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.*