Best Synthesizer Singing Apps

247+ iOS apps curated and reviewed

4.4 avg rating
10 free apps
Updated October 2026

Controlla Voice is the household name in synthesizer singing, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Synthesizer Singing Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Controlla VoiceControlla VoiceFree—NoYesOct 2026
2Jussi - Vocal SynthesizerJussi - Vocal Synthesizer$8.993.6★ (14)NoNoOct 2026
3LayR-Multi Timbral SynthesizerLayR-Multi Timbral Synthesizer$24.994.5★ (97)NoNoOct 2026
4Tresse Polyphonic SynthesizerTresse Polyphonic SynthesizerFree4.8★ (4)NoYesOct 2026
5Krill SynthesizerKrill Synthesizer$11.995.0★ (6)NoNoAug 2026
6Singing Carrots AI Vocal CoachSinging Carrots AI Vocal CoachFree4.0★ (7)NoNoOct 2026
7Gliss: Ribbon SynthGliss: Ribbon SynthFree—NoYesOct 2026
8VoiSonaVoiSonaFree4.2★ (149)NoYesOct 2026

Top Picks for Synthesizer Singing

3.6(14 ratings)
$8.99
Jussi - Vocal Synthesizer screenshot 1
Jussi - Vocal Synthesizer screenshot 2
Jussi - Vocal Synthesizer screenshot 3
Jussi - Vocal Synthesizer screenshot 4
Jussi - Vocal Synthesizer screenshot 5

This app is a unique vocal synthesizer that emulates male voice vowels with powerful parameters. Control formants with MIDI velocity for expressive vocalizations, from soft choir sounds to intense shouts. It offers advanced features like ADSR, voice character control, and throat emulation.

4.5😊(97 ratings)
$24.99
LayR-Multi Timbral Synthesizer screenshot 1
LayR-Multi Timbral Synthesizer screenshot 2
LayR-Multi Timbral Synthesizer screenshot 3
LayR-Multi Timbral Synthesizer screenshot 4
LayR-Multi Timbral Synthesizer screenshot 5
LayR-Multi Timbral Synthesizer screenshot 6

This powerful synthesizer app offers massive polyphony and multi-timbral sound design capabilities. Create rich, layered textures with flexible oscillators, filters, and extensive modulation options. Ideal for live performance and studio production.

What We Love

  • 🎵 Exceptional sound quality and rich audio output
  • 🧩 Powerful layering system for complex sound design
  • 🎹 Versatile synthesis engine with unlimited creative potential
  • 📚 Comprehensive preset library with inspiring sounds
  • 🎛️ Intuitive interface for deep functionality
  • 🔗 Excellent MIDI control and integration capabilities
  • ⚡ Efficient CPU usage despite complexity
  • 📱 Works seamlessly on both iPad and iPhone
  • 🎼 Advanced arpeggiator and sequencer features
  • 👨‍💻 Responsive developer with consistent updates
  • 💰 Excellent value for price
  • 🎨 Beautiful and elegant UI design

Room to Improve

  • 🐛 Audio crackling and popping on newer iPad Pro models
  • 🔥 High CPU usage causing performance issues
  • 🎹 Small keyboard keys difficult to play on mobile
  • 🌑 Dark interface hard to read and navigate
  • 📵 Crashes when used as Audio Unit in DAWs
  • ⚠️ Steep learning curve for beginners
  • 🔋 Battery drain when app is backgrounded
  • 🎛️ MIDI assignment dialog pops up unexpectedly
  • 🔌 Latency issues when multiple instances used
  • ❌ Missing preset content in recent updates
  • 🖥️ No Mac/VST version available
  • ⏱️ Arpeggiator gets stuck on hold function

More Synthesizer Singing apps to explore

FAQ about Synthesizer Singing

Are there free synthesizer singing apps for iPhone?
Yes — 10 of the top synthesizer singing apps we rank are free to download, including Controlla Voice and Tresse Polyphonic Synthesizer.
Controlla Voice has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 247+ synthesizer singing apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.