Comparison

Continua vs Agonizer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Continua

This professional synthesizer for iPad offers a unique morphing sound design experience. Explore a vast sonic palette with versatile oscillators and continuously shifting filters. Deep modulation capabilities and an innovative patch evolution system allow for highly expressive and evolving musical textures.

Highlights
  • Morphing filters
  • Versatile oscillators
  • Deep modulation routing
  • Interactive patch evolution
  • Full MPE support
  • AUv3 plugin compatibility
Read full description

Continua is a professional synthesizer for iPad, built around a single idea: everything should move. Three oscillators with five modes each — Virtual Analog, Additive, Supersaw, Supersquare, and IXA — give you a palette that runs from warm analog warmth to aggressive digital textures to sounds that have no easy name. Stack 64 sine waves. Detune five sawtooths simultaneously. Explore phase modulation borrowed from a synthesizer most people have never heard of. The oscillators are just the beginning. Continua's filters don't switch between types — they morph between them. Low pass becomes band pass becomes high pass in a continuous sweep, with resonance and two- or four-pole slope selectable at any point. Two filters running in series or parallel, each one a moving target. Modulation is where Continua earns its name. Nearly every parameter is a destination. Every knob can receive up to five simultaneous modulation sources — envelope generators, flexible multi-point envelopes, four shapeable LFOs, sample and hold, and a random source that gives each voice its own personality. Right-click any knob to connect a source. The routing is as deep as you want it to be. New in version 1.2: the Genetics panel lets you evolve your patches through an interactive mutation tree. Start with any sound, explore branches of subtle variations, and drill down into whatever catches your ear. The arpeggiator adds eighteen patterns — from standard ascending runs to Brownian motion and probabilistic rests — all synced to your DAW tempo. Four new oscillator modes expand the raw material available from the ground up. Full MPE support means Continua responds to every dimension of expression from a Linnstrument, Osmose, Roli Seaboard, or any MPE controller. Or play it with a standard keyboard and automate everything else. Works as an AUv3 plugin in Logic Pro, AUM, Cubasis, Drambo, Garage Band, and any AUv3-compatible host. iPad only.

About

Agonizer

This app is a monophonic synthesizer focused on bass sounds, developed with a synth bass expert. It features dual wavetable oscillators, a mangle section, and built-in stereo effects. It supports MPE controllers and various audio/MIDI connectivity options for standalone or app-to-app use.

Highlights
  • Monophonic synth engine for bass
  • Dual wavetable oscillators
  • Built-in stereo effects
  • MPE controller support
  • Standalone and AUv3 operation
  • 140+ factory presets
Features
Read full description

Agonizer is a monophonic synthesizer designed in collaboration with YouTuber and synth bass expert Jakob Haq of haQ attaQ Overview: * Monophonic Synth Engine with focus on Bass * Built-in stereo effects * 140+ fine tuned factory presets designed by Jakob Haq * Supports ROLI Seaboard and other MPE controllers out of the box * Standalone operation with support for USB audio interfaces, wired, network & bluetooth MIDI * Audio Unit v3 Extension * Inter App Audio support * Audiobus support * Ableton Link Synth Voice: * Dual Wavetable Oscillators with 40+ Wavetables, Morphing & X-Mod * Dedicated sub osc & noise source * Mangle Section with pre-filter Drive, Bitcrush, Lift and Push controls * VA Ladder filter * Wobulator (Highly tweak-able Sequenced LFO) * LFO with Key and BPM Sync * Variable Slope AD & ADSR Envelopes * Tube based master drive Effects: * 2x stereo effect units * Vintage Chorus * Digital Delay Presets: * Factory bank including 140+ presets designed by Jakob Haq * Preset Management with Templates & Categories * Shared User Presets between Standalone and AUv3 versions * Preset Export & Import Connectivity: * Standalone * AUv3 Instrument * Inter-App Audio Instrument * Audiobus Instrument Requirements: * iOS12+ * iPad Air 2 or newer

Screenshots

Agonizer4 screens

Verdict

The call

The clearest difference is price: Continua at $9.99 against Agonizer's $19.99. Continua also leads on in-app purchases (none vs 3) and update cadence (every 4 weeks vs every 5 months). Agonizer's advantage is review sentiment (79% vs 55%) and ratings volume (203 vs 13). On rating, ads and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Continua costs $9.99 and Agonizer $19.99 up front. Agonizer sells 3 one-off in-app purchases. Continua asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Agonizer holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Agonizer has 203 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 55% of Continua's written reviews are positive against 79% of Agonizer's.

UpkeepUpdate frequency

Continua ships an update every 4 weeks, Agonizer every 5 months. The most recent releases landed on September 7, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 3 level
Continua versus Agonizer: the parameters behind the verdict, then further details
ParameterContinuaAgonizer
Price$9.99 — better$19.99
Rating4.6 (13 ratings)4.8 (203 ratings) — better
Positive reviews55.1% of reviews78.8% of reviews — better
Number of ratings13203 — better
Update frequencyEvery 4 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.011.0 — better
Further details — not scored
Size29 MB362 MB
Age rating4+4+
DeveloperAudio Damage, Inc.Kai Aras

Customer experience

Continua

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews49 reviews
Positive55.1%
Neutral26.5%
Negative18.4%

Agonizer

All ratings203 ratings
Positive95.6%
Neutral1.5%
Negative3.0%
Written reviews80 reviews
Positive78.8%
Neutral6.3%
Negative15.0%

Bugs and requests

Continua

Not enough reviews yet to summarise bugs or requests.

Agonizer

Reported bugs

16 issues
  • Keyboard does not properly handle legato/mono-synth note priority
  • Crashes in Audiobus, AUM, and Cubasis host applications
  • No sound output when used as AUv3 plugin in hosts
  • No sound in GarageBand integration
  • App freezes on splash screen with iOS 18.3
Show 11 more
  • Stuck notes and failed note triggering
  • Scream button malfunction when switching presets
  • Cutoff knob lag in AUv3 scenarios
  • UI jitter and text cutoff on iPhone
  • Favorite preset feature not working on iPhone
  • Program change not working properly in hosts
  • Always opens with init preset in host applications
  • Modulation matrix sensitivity too high (2% movement = large range)
  • Audio output peaks in red with no sound
  • Permanent clipping/damaged audio output
  • Misleading IAP pricing display (showing 'FREE' for paid content)

Requested features

10 requests
  • Polyphony mode or toggle between mono and poly
  • Envelope drawing capability instead of preset selection
  • Menu-based waveform selection instead of cycling
  • Arpeggiator function
  • Preset browser search and favorites filter
Show 5 more
  • Extended automation control for all knobs
  • Keytracking for filter
  • Reverb effect
  • Accelerometer/gyroscopic velocity sensitivity
  • Customizable number of keyboard keys

In-app purchases

None

Continua

No in-app purchases

3 purchases

Agonizer

One-time3
  • Chrome Oasis Pack$3.99
  • Circuit Bender Pack$3.99
  • Neon Nightmare Pack$4.99

Questions

Is Continua free?
Continua costs $9.99, with no in-app purchases.
Is Agonizer free?
Agonizer costs $19.99, and also offers in-app purchases.
Which has better reviews, Continua or Agonizer?
Agonizer is rated higher. Continua averages 4.6 out of 5 from 13 ratings, while Agonizer averages 4.8 from 203 ratings.
Do Continua or Agonizer have ads?
Neither Continua nor Agonizer shows ads.
Which is updated more often, Continua or Agonizer?
Continua ships an update every 4 weeks, and Agonizer every 5 months. Most recently, Continua was updated on September 7, 2026 and Agonizer on September 22, 2026.

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