Apps by Black Cat Systems
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Shortwave Broadcast Schedules
Lifestyle
4.50
(238)
$3.99
Released Nov 2011
· updated Jan 2017
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Sound Byte Cart Machine App
Music
4.06
(158)
$5.99
IAP?
Released Oct 2010
· updated Jul 2022
-
SSTV Slow Scan TV
Lifestyle
3.95
(147)
$3.99
IAP?
Released Aug 2010
· updated Jan 2017
-
DX Toolbox
Lifestyle
4.38
(68)
$3.99
IAP?
Released Jan 2012
· updated May 2017
-
Audio Spectrum Analyzer
Utilities
3.87
(52)
$3.99
Released Jun 2010
· updated Apr 2017
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Morse Mania
Education
4.52
(50)
$2.99
Released Apr 2010
· updated Jun 2017
-
Morse Pad
Lifestyle
3.86
(28)
$2.99
Released Aug 2010
· updated Dec 2016
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Drill Calc
Utilities
4.11
(19)
$2.99
Released Feb 2009
· updated Nov 2024
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HF Weather Fax
Weather
3.72
(18)
$3.99
IAP?
Released Oct 2010
· updated May 2017
-
Packet Pad
Lifestyle
3.76
(17)
$2.99
Released Aug 2010
· updated Dec 2024
-
PSK31
Lifestyle
3.60
(15)
$2.99
Released Aug 2010
· updated Jan 2016
-
ACARS
Lifestyle
3.00
(14)
$2.99
Released Aug 2010
· updated Jan 2016
-
Selcall Selective Calling Tone
Utilities
3.21
(14)
$2.99
IAP?
Released Aug 2012
· updated Dec 2024
-
NAVTEX Pad
Utilities
1.92
(12)
$2.99
Released Aug 2010
· updated Jul 2022
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76477 Complex Sound Synth
Music
4.00
(10)
$2.99
Released Mar 2014
· updated Aug 2025
-
iFunctionGenerator
Utilities
4.44
(9)
$2.99
IAP?
Released Feb 2009
· updated Jul 2017
-
Atoms To Go Table of Elements
Reference
4.83
(6)
$2.99
IAP?
Released Mar 2010
· updated Jul 2025
-
iUnit Measurement Conversion
Reference
3.67
(6)
$2.99
IAP?
Released Feb 2009
· updated Jul 2025
-
dB Calc
Reference
5.00
(5)
$0.99
IAP?
Released Jan 2009
· updated Jul 2025
-
Feld Hellschreiber
Utilities
2.80
(5)
$2.99
IAP?
Released May 2013
· updated May 2017
-
Godafoss Audio Spectrum Waterfall QRSS CW FSKCW
Utilities
4.25
(4)
$2.99
Released Sep 2014
· updated May 2017
-
Weather Calc
Weather
4.50
(4)
$0.99
Released Feb 2009
· updated Jul 2025
-
Remote Control For Sound Byte Cart Machine Program
Music
2.67
(3)
Free
Released May 2010
· updated Aug 2017
-
RF Link Calc
Reference
2.33
(3)
$2.99
Released Jan 2009
· updated Jul 2025
-
iAttenuation
Reference
3.00
(2)
$2.99
IAP?
Released Feb 2009
· updated Jun 2025
-
iSoundex
Lifestyle
2.50
(2)
$0.99
IAP?
Released Feb 2009
· updated Jul 2025
-
Photon Calc
Reference
5.00
(1)
$2.99
Released Feb 2009
· updated Jan 2024