Focused apps for iPhone and iPad.

GPS Test Satellite Tracker

NavigationiPhone

Track Starlink, the ISS and other satellites on a live radar, and check your GPS fix quality, accuracy and the navigation satellites overhead.

Deed to Map: Metes & Bounds

Property & landiPhone

Reads the boundary description on a US property deed and plots the parcel on satellite imagery, so you can see the lines and walk to each corner.

Map Area & Distance Calc

MeasurementiPhone & iPad

Drop a few points on a satellite, street or terrain map and see the area, perimeter or path length. KML, GPX and KMZ import and export.

Ruby Audio Guide

TraveliPhone

Narrated audio guides to Armenia: Yerevan, Garni, Geghard, Khor Virap, Tatev, Sevanavank and more. Download once and listen anywhere, offline.

New Lines: Color Match

Puzzle gameiPhone & Android

The classic colour-lines puzzle, remade. Line up five balls of a colour to clear them, across levels that grow, add colours and race the clock.

Seen from Space

Satellite imageryiPhone

Fresh, free satellite images of any place on Earth, and a prediction of when the next one will be taken, from 90 Earth-imaging satellites.

Lemma: Logic Puzzles

Puzzle gameiPhone & iPad

Nonogram, Shikaku, Star Battle and Hashi. Every puzzle has exactly one solution and can be solved by reasoning alone, with a new daily for each.