# SatData: GPS Compass & Sunrise — Altitude, UTM & Moon, Offline

> Altitude, UTM & Moon, Offline (iPhone/iPad app by Matthew Avery.)

- Source: https://appshunter.io/ios/app/satdata-gps-compass-and-sunrise/id6816728950 (this page in markdown: same URL + `.md`)
- Developer: [Matthew Avery](https://appshunter.io/developer/1893424317)
- Category: Navigation, Utilities
- Price: $3.99
- Age rating: 4+
- Requires: iOS 18.0 · 3 MB
- Languages: American English
- Released: 2026-10-10
- Data updated: 2026-10-12

## What is SatData?

SatData shows every positioning reading your iPhone can produce — position, altitude, heading, accuracy, sun and moon — explained in plain words, for hikers, campers, geocachers and anyone who wants the numbers behind the blue dot.

Pay once and it's yours forever. No subscriptions, no in-app purchases, no ads — every feature included.

Everything is calculated on the phone, so it works on a summit, at sea and in a basement, with no signal at all. Every value says how sure the phone is and whether it was measured, derived or inferred. Nothing is made up.

NOW — WHERE YOU STAND
• Position in decimal degrees, degrees-minutes-seconds or degrees and decimal minutes
• Altitude above sea level, speed, heading and air pressure, every unit system shown at once
• A quality word from EXCELLENT to POOR on every reading, plus the age of the fix
• A compass card with true and magnetic north and the difference between them
• The next sunrise or sunset with a countdown, and a map for context

NAV — FIND YOUR WAY BACK
• Mark where you are, type or paste a coordinate in any format, or pick a point on the map
• Follow a compass dial or one big arrow back to it, with distance, bearing and time to reach
• Straight-line guidance for finding the car, the tent or the trailhead again
• Up to twenty waypoints, kept on your phone

SKY — SUN AND MOON
• Where the sun and moon are right now, and when they rise, peak and set
• Golden hour, the three twilights, moon phase, age and distance
• Upcoming phases, equinoxes and solstices
• The Earth's magnetic field at your position from the World Magnetic Model

SURVEY — YOUR TIGHTEST COORDINATE
• Set the phone down and let it average fixes for 30 seconds to two minutes
• An honest statement of how tight the result is, and one tap to save it as a waypoint

DATA — FOR PEOPLE WHO WANT EVERYTHING
• About two hundred fields: UTM, MGRS, geohash, Plus Codes, Maidenhead, Earth-centered coordinates
• GPS week and time of week, leap seconds, sidereal time, every accuracy figure iOS reports
• Barometer and magnetometer readings, and exports to GPX, CSV, JSON, NMEA and plain text
• iOS gives apps no satellite count or signal strengths, so SatData shows none and says so

BUILT RIGHT
• Pay once, own it for life — the price you see is everything
• No subscriptions, no in-app purchases, no upsells
• No ads, ever
• Megabytes, not gigabytes — no ad libraries, no analytics SDKs, nothing that isn't the app itself
• Nothing leaves your phone — no account, no tracking; the one online feature is Apple's map tiles, and the app says so when offline
• Made for iPhone, and follows your Larger Text setting

Download SatData and know exactly where you stand.

BEFORE YOU RELY ON IT
SatData is a reference tool, not a safety device or a certified navigation or surveying instrument. Any reading can be wrong, so verify anything that matters against an independent source and never rely on this app alone to find a route, a person or safety. Its guidance is a straight line, for recreational use only. It is provided as-is, without warranty, and the developer's liability is limited to the fullest extent the law allows. The full notice appears when the app first opens and under Settings › Disclaimer. Precise Location is required.

## Is SatData safe?

Not enough ratings yet to assess SatData.

## Is SatData legit?

SatData: GPS Compass & Sunrise appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for SatData is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-10-11

Thanks for using SatData! This update brings small refinements and performance improvements for a smoother experience.

### 1.0 — 2026-10-10

No release notes.

## More apps by Matthew Avery

- [Surge: Interval Timer & HIIT](https://appshunter.io/ios/app/surge-interval-timer-and-hiit/id6762224044)
- [InvestFast: Learn to Invest](https://appshunter.io/ios/app/investfast-learn-to-invest/id6762561241)
- [Big Time Clock: Full Screen](https://appshunter.io/ios/app/big-time-clock-full-screen/id6763140176)
- [Lume: Simple Task & To Do List](https://appshunter.io/ios/app/lume-simple-task-and-to-do-list/id6770331131)
- [Tap Dot Tap: Neon Reflex](https://appshunter.io/ios/app/tap-dot-tap-neon-reflex/id6778353191)

All apps by Matthew Avery: https://appshunter.io/developer/1893424317

---

*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 2026-10-12.*