Soundbeam

... It works on an ipad, and I eventually got it to turn round after I had accidentally found the back. (No instructions on how to do this in the help pages, nor online). Tap on the top left corner! However, the reason for a one star rating is: - this app is sold as an oscilloscope, albeit a simple one. - it has no control over the time base. D'oh! Has the author never used an oscilloscope?

I have got so much use out of this in the 2 days since I bought it, and for 69p nowadays that isn't bad at all. Very limited, obviously, but as a cheap waveform visualizer it really is very useful.

Was a great little app that I used now and then but, now doesn't seem to work at all on my iPhone 5. The app starts up and all the controls work but no wave form is ever displayed. I have even tried deleting and re installing to no affect.

Great in a science lesson on a iPad but wanted more detail of the sound

Great aid for teaching waves and CROs.

Great app well worth a toss

A very useful engineering tool. Analysing vibration with this app is great. My only wish is that we see a full iPad version.

As an acoustic Engineer I can recommend this app. It is great fun and surprisingly accurate. Many equipment manufactures could learn from the writer of this app.

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Very good design, works well.