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Solid synths
I'm breaking my app impulse purchase habit and slimming down the selection I keep on my iPad, and for that, I've decided reliability is the number one priority. I have a few go-to synths that I keep using over and over because they never crash, never spike the CPU, never cause horrible popping etc. - Pure Acid, Zeeon (though that one has crashed a couple of times), Twin, Flow / Lowtones, and actually that's about it for the synths I can trust. I do need a couple more though for some variety, so looking for people's favourites - the trustiest synths in your AUBox. I'd especially love to find some with the richness of Nerd and Viral, but with the dependability of a labrador and the crash-free rate of a 747. So who's your trustiest?

Comments
For me it’s Nambu .. versatile synth, multiple layers and trusty as all get out
Good shout, I always forget I have Nambu
Iceworks in general for me!
If auv3 isn’t a requirement then Nave is one of my favorites.
https://apps.apple.com/us/app/nave/id596036905
Pianoteq is rock solid for me and is my go-to 90% of the time when I want to load up a test plugin. It’s my favorite synth to play with a keyboard. The synth and electric pianos are great to morph with acoustic models.
https://apps.apple.com/app/id6736754495
GeoShred for any instrument I need in there.
https://apps.apple.com/app/id1064769019
DM-10 for drums, the synth and bass are a nice bonus.
https://apps.apple.com/app/id982224575
OneShot for a lot of drums.
https://apps.apple.com/app/id6651855358
Blipbox surprisingly ends up in a lot of projects. It’s so weird and fun. https://apps.apple.com/app/id6452880190
Bleass' synths have never let me down in terms of trustworthiness.
https://apps.apple.com/us/app/bleass-megalit/id1596728818
https://apps.apple.com/us/app/bleass-monolit/id1589410030
https://apps.apple.com/us/app/bleass-omega/id1549511268
https://apps.apple.com/us/app/bleass-alpha-synthesizer/id1476042892
The second one (Monolit) is a free monophonic synth, and the first one (Megalit) is the most versatile of the bunch and a favorite of mine for creating drones and other synth sounds. The third (Omega) is a decent FM synth, and the last (Alpha) is a decent subtractive synth.
Mononoke and Solderbox haven’t given me any issues, and they’re both great at what they do.
I’m no expert.
Of all the synths I’ve bought, Tera Pro is my go to. With the FM module, it just does everything I need.
You mentioned two of my favorites, Twin and Nerd.
Continua from Audio Damage has some great sounds and has never given me a hard time.
https://apps.apple.com/us/app/continua/id1487732556
I have never had one single crash or issue with any @brambos app. Ever.
I love Nerd, but there's no way I would classify it as dependable. I can't count the number of crashes I've had forgetting to pause notes when changing presets. (Could be fixed now. I'm not sure. It's been awhile.)
Lately I rely solely on Zeeon and Dagger, unless I'm working in Cubasis, where the automation system is completely broken with these (try automating any parameter and you'll see what I'm talking about). Both sound amazing and have a nice interface, what else would I need?
Thanks friends, some excellent suggestions.