● If you already have a tablet-computer, like an Apple iPad, this is a cost-effective way of adding MIDI sound-devices.
● To use an Apple iPad as a synth, you will need send the music notes to be played into the iPad and to get the sound out of the iPad.
● To send the music notes to be played into the iPad, you will probably need a MIDI interface (eg iRig MIDI 2).
● To get the sound out of the iPad, you will need some simple audio cable (although new iPads need a lightning to audio-jack).
● After that, it's all just iPad apps, ie software instruments.
What apps can or cannot run depends on the iPad you have and what iOS (operating system) it can run. Apple iPads and highest iOS can be summarised as follows:-
Final iOS Model ○ 5.1.1 iPad {1} ○ 9.3.6 iPad 2, iPad 3, iPad Mini ○ 10.3.4 iPad 4 ○ 12.4.8 iPad Air, iPad Mini 2, iPad Mini 3 ○ current Newer iPads
iOS 5.1.1
The iPad {1} was a good workhorse machine but the iOS has slowed it down so much that almost nothing runs on it anymore. You can run synths on iPad {1} but it can become unstable and just kick out of the app. But all is not lost.
IMPORTANT
If you want to run synths, you must do a full FACTORY RESET (This involves using another computer with iTunes). Things work really well after this.
Next, only install apps which you're going to use. Delete anything you don't need. Most apps won't work anyway.
Another thing; be patient. It is slow to load so don't repeatedly press the screen. Press once and wait for things to load.
Best Synth Apps for iOS 5.1.1:
1) Akai: SynthStation - US$3. Akai SynthStation is a classy 3-Oscillator analog emulation. It has some nice sizzle to it. It's also multi-timbral as a poly synths and 2 mono-synths. The reviews complain about crashing. It's the iPad. Do the Factory Reset. Synthstation is good enough to use solo as a main synth.
2) TakTech: DXi FM Synthesizer - Free. This is a 4-op FM synth a'la TX-81Z with nice graphic interface. A bit tricky to use fingers to do fine edits. No so obvious but you can SAVE your edits. I would use this to layer with another synth.
3) IK Multimedia: iGrand Piano Free - Free. It's not a synth, I know. But you get a pretty decent piano. The end.
4) Novation: Launchkey - Free. Launchkey has several unique presets which are starting points. You move spinning circles to change the timbre of the sound. The "Pads" section has good ethereal patches. It's fun to use. I would use this to layer with another synth.
5) IK Multimedia: SampleTank CS - Free. You only get a handful of samples. The Vibes and Strings are nice and useable.
6) Retronyms: Synth! - US$1 (or Free). Synth! is based on Casio SK-1 type of beeps and blips. Not for everyone; but it has its uses!
IPads beyond iOS 5.1.1 would be able to run most of the current stock of synths available. Akai SynthStation strangely did not update their software to run on newer iPads like iPad Air 2.
Beyond iOS 5.1.1
My ranking is based on sound quality and usefulness. Also, where I've indicated "Free" means I did obtain a free app (not just the one with web-link).
Best Synth Apps:
1) Moog Music: Minimoog Model D - US$8. The classic MiniMoog. You just have to have this one.
2) Korg: Gadget LE - Free version. You get a polysynth called Marseille and a monosynth called Dublin. Korg gives for free a huge selection of good presets covering a wide palette of timbres.
3) AudioKit: FM Player 2 DX Synth - Free version. FM synth giving a massive selection of finely crafted presets. The range of timbres is quite wide; much like the DX7 presets range.
4) IK Multimedia: Syntronik - Free version. You get 25 useable presets spread from 17 classic synth models. Not a huge number but you can split and/or layer 4 of these sounds; which is why it gets a high rank.
5) AudioKit: Synth One - Free version. Subtractive synth with a massive selection of nicely detailed presets. The timbres tend to be more atmospheric and moody.
7) Steinberg: Nanologue - Free. Monosynth capable of quite powerful sounds. It's good at one type of sound. I would use this for Synth Bass.
8) Yamaha: FM Essential - Free version. 4-op FM synth. Yamaha gives for free only 10 presets; of which only a few are useful (They are Pop Bells, DX100 bass & E.Piano). Still useful for layering.
I haven't covered every synth. There were quite a few free ones I deleted. I'm sure there are more good ones. My main focus was the iPad {1} because it's so readily available cheaply now.
Anyway, keep on making music. And don't forget to have fun!
Bonus Section
iOS 5.1.1. iPad(1) - Force Restart
1) Shutdown iPad
2) Press & hold "Power" & "Home" buttons
3) Release when apple logo appears
iOS 5.1.1. iPad(1) - Factory Reset with password
1) Open "Settings" \ "General"
2) Select "Reset" \ "Erase All Contents and Settings"
iOS 5.1.1. iPad(1) - Factory Reset with Computer
1) Your Computer needs to have iTunes. Open iTunes
2) Connect iPad {1} to Computer
3) On iTunes, click iPad device name
4) Under "General" tab, choose "Restore". This will restore to factory settings.
5) It will take a while because the computer will download the "blank iPad" data set to install.
Remove iTunes on PC - Uninstall the components in this order
1) iTunes
2) Apple Software Update
3) Apple Mobile Device Support
4) Bonjour
5) Apple Application Support 32-bit
6) Apple Application Support 64-bit
2020 Apps which run on iOS 5.1.1
You may have to "purchase" them on a more advanced device (to allow "download earlier version").
1) Opera Mini
2) iGet Sharp
4) Files
5) Oplayer Lite (iphone)
8) Messenger (iphone)
Akai: SynthStation.
TakTech: DXi FM Synthesizer. manual.
Novation: Launchkey.
Moog Music: Minimoog Model D.
Korg: Gadget LE.
AudioKit: FM Player 2 DX Synth
IK Multimedia: Syntronik.
Audiokit: Synth One
Steinberg: Nanologue.
Yamaha: FM Essential.
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