Apps by Black Cat Systems

Radiation Map Tracker displays worldwide radiation 1.3

PAID
Concerned about nuclear radiation levels, due to fallout from damaged nuclear reactors, nuclear tests, or other events? Radiation Map Tracker connects to our extensive network of constantly updating, real time, nuclear radiation detectors, all run...

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Drill Calc 2.5

PAID
Need to find the right drill bit size for a hole? Drill Calc calculates the correct drill bit size to use for threaded holes, based on the bolt (tap) diameter and thread pitch and percentage, for both inch and metric threads. Close and tight fit hole...

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WireCalc 2.0

PAID
Need to compute the electrical resistance or voltage drop of a wire or cable? Now there’s no need to carry lookup tables with you, and calculate values by hand, because WireCalc does all this for you, and more. Enter in the length of the wire, using...

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Godafoss Audio Spectrum Waterfall QRSS CW FSKCW 1.1

PAID
Godafoss displays a waterfall of the audio spectrum, letting you view QRSS CW, DFCW, FSKCW, and other slow transmission speed signals. You can place your device’s microphone near the speaker or headphones of your radio to pick up the sound, or...

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Remote Control For Sound Byte Cart Machine Program 2.2

FREE
Sound Byte Control lets you control a copy of Sound Byte running on a remote computer from your iPad. Now you can run Sound Byte for all your sound clip playback needs, without being tied down to your desktop or laptop computer. Note that this is a...

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iSoundex 3.0

PAID
iSoundex lets you quickly and easily generate American and Daitch-Mokotoff Soundex Codes. Just type in the name, and the codes are generated! A handy app for genealogists.Version History Bug fixes and performance improvements 3.0 07/28/2025 Bug fixes...

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Audio ToolBox 2.2.0

TRIAL
Audio Toolbox is an audio function generator for the Macintosh. Using no additional hardware, you can produce sine, square, triangle, and sawtooth waveforms of any frequency up to 22 kHz, as well as generate noise - both pink and white.

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Sound Byte Cart Machine App 2.2

PAID
Looking for a way to play sound clips at a theater or sporting events, as a DJ, or at other events? Don’t want to lug a computer around with you? With Sound Byte, the so-called "cart machine" used at radio stations in the past is now available for...

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DGPS Decoder 1.0

PAID
Now you can decode DGPS (Differential Global Positioning System) beacon transmissions. DGPS stations transmit the difference between positions indicated by GPS satellite systems and the known fixed position of the station. This allows higher...

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Radiation Map Tracker 1.0

PAID
Concerned about nuclear radiation levels, due to fallout from damaged nuclear reactors, nuclear tests, or other events? Radiation Map Tracker connects to our extensive network of constantly updating, real time, nuclear radiation detectors, all run...

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