# Sight Calc vs Lat/Long

The clearest difference is rating: Sight Calc at 5.0 against Lat/Long's 1.0. Sight Calc also leads on ratings volume (7 vs 1). Lat/Long's advantage is update cadence (every 2 weeks vs every 11 months) and price ($0.99 vs $1.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Sight Calc costs $1.99 and Lat/Long $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sight Calc holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Sight Calc has 7 ratings behind it against 1, so its average is the more settled of the two.

Sight Calc ships an update every 11 months, Lat/Long every 2 weeks. The most recent releases landed on September 10, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Sight Calc | Lat/Long |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/sight-calc/id497809138/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/latlong/id1609973236/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 82.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | 16.0 | **14.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NUVOCOM INCORPORATED](https://appshunter.io/developer/497809141) | [Zlatko Blagus](https://appshunter.io/developer/1551579898) |

## What reviewers say

### 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


### Lat/Long

[App page](https://appshunter.io/ios/app/latlong/id1609973236)

Easily convert latitude and longitude coordinates between different decimal and degree formats. The app copies converted values to your clipboard for seamless pasting into other applications.

**Highlights:** Convert between deg/min/sec.dec, deg/min.dec, and deg.dec, Copy converted coordinates to clipboard, Supports LAT DD MM SS.d format, Supports LONG DDD MM SS.d format, Ensures accurate entry for longitude

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

**In-app purchases:** none


## Frequently asked questions

### Is Sight Calc free?

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

### Is Lat/Long free?

Lat/Long costs $0.99, with no in-app purchases.

### Which has better reviews, Sight Calc or Lat/Long?

Sight Calc is rated higher. Sight Calc averages 5.0 out of 5 from 7 ratings, while Lat/Long averages 1.0 from 1 ratings.

### Do Sight Calc or Lat/Long have ads?

Neither Sight Calc nor Lat/Long shows ads.

### Which is updated more often, Sight Calc or Lat/Long?

Sight Calc ships an update every 11 months, and Lat/Long every 2 weeks. Most recently, Sight Calc was updated on September 10, 2026 and Lat/Long on August 19, 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.*