Pro-grade tools for your iPhone, iPad & Mac
Manage servers over SSH, open any file, and test every sensor of your device. Fast, private, and built with care by an indie developer.
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Apps
Our apps
Each app solves one job really well. No ads, no tracking, no nonsense.
NeoServer
SSH, Mosh, Docker & SFTP client for iPhone, iPad and Mac
HTTPS Capture
Capture and decrypt HTTPS traffic on iPhone
Fileso
File manager, PDF editor and powerful file tools
Device Status⁺
Monitor and test your iPhone hardware
MarkX
Professional image annotation and measurement
Calo
Everyday math, scientific power, useful tools
Blog
Latest articles
Device Status⁺How to Test the iPhone Accelerometer
Check whether your iPhone responds to tilt and movement by watching its three acceleration axes in Device Status⁺.
1 min read
Device Status⁺How to Test the iPhone Altimeter
Compare relative altitude before and after moving between floors, and understand why a session can begin near zero.
1 min read
Device Status⁺How to Test the iPhone Barometer
Observe air pressure on iPhone and check its response to a change of floor without expecting a fixed sea-level value.
1 min read
Device Status⁺How to Test iPhone Bluetooth Scanning
Scan for a known Bluetooth Low Energy peripheral and understand why an empty scan does not prove iPhone Bluetooth is broken.
1 min read
Device Status⁺How to Test iPhone Cameras with Device Status⁺
Check front and rear camera previews on iPhone and distinguish focus, permission and lens obstruction problems.
1 min read
Device Status⁺How to Test the iPhone Compass
Check iPhone heading changes outdoors and rule out magnetic cases and nearby electronics before judging compass behavior.
1 min read