The HotPaw Morse Code Decoder translates Morse Code sound into text. Just use the microphone or headset input on your iPhone or iPad for the audio signal input, and watch decoded text appear. The Morse Code Decoder includes both an automatic decoding mode, plus manual controls to allow the decoding of weaker signals in noise and QRM. Manually adjustable parameters include the frequency of the a... - More info on MorseDecoder...

An RTL-SDR Software Defined Radio receiver app for iOS devices.  Listen to AM, FM, SSB and CW radio signals. View an RF spectrum and waterfall. Connect, via the rtl_tcp network protocol, to networked RTL-SDR USB peripherals. This app requires an external rtl_tcp server. iOS devices do not currently support the direct connection of USB peripherals such as an RTL-SDR. Thus, the use of this ap... - More info on rtl_tcp SDR...

An FT8 decoder. FT8 is a weak signal digital mode, currently very popular in the amateur radio HF shortwave bands. The ft8d app allows decoding FT8 8FSK modulated signals contained in externally provided audio or sound from an SSB radio or SDR. The app supports Level 1 decoding of messages with standard callsigns or 13 character free text messages. The app can also generate standard FT8 messag... - More info on FT8 Decoder...

HotPaw Talking Tuner is a hands-off, sound-activated, talking, chromatic, musical instrument tuner. It talks to tell you if your instrument is in tune or not; so you don't even have to look at it or touch the display. Talking Tuner uses speech synthesis, and works with or without VoiceOver being enabled. This app was created because I received a request to develop an iPhone app which could help... - More info on Talking Tuner...

The HotPaw inTuna Bass Guitar Strobe Tuner is a strobe tuner app that allows you to quickly and accurately tune the E, A, D and G strings (standard bass guitar tuning) on your guitar using the built-in microphone in your iPhone. The Bass Guitar tuner shows 4 simultaneous animated visual strobe displays, offering the ultimate ease and responsiveness in fine tuning your Bass Guitar to studio accur... - More info on inTuna Bass Strobe T...

HotPaw Morse Words is a aid to learning Morse Code. Audio learning can be a great brain exercise. This app can help you learn the sound of entire words in Morse Code. The app is a test generator which randomly picks from 250 very common English words and sends them in International Morse Code audio through your iPhone speaker or headset. The WPM (words per minute) speed can be easily set up to... - More info on Morse Words...

Speaks the name of the nearest color in the center of a camera preview pane using speech synthesis. Can also show and speak the three RGB 255 numbers. If you lock the exposure and color balance (using the lock icon button in the upper right) while aiming at something medium neutral gray under your current scene's lighting, the color naming scheme will be more accurately centered in the RGB gamut... - More info on Say Color...

Calling all early-personal-computing fans, remember typing Basic programs into your home computer? HotPaw Basic recreates the retro-experience of a text-mode Basic interpreter, and it runs right on your iPhone or iPad. You can also use HotPaw Basic as a programmable calculator, or for displaying simple line graphics. The HotPaw Basic interpreter supports the minimal Basic language, including... - More info on HotPaw Basic...