Comparison

WAIL vs FAC Gravity

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

Head to head
About

WAIL

Transform unstable feedback into a powerful, playable instrument. This app offers direct control over harsh drones, soaring screams, and aggressive textures with an intuitive interface and real-time visual feedback.

Highlights
  • Dynamic XY Pads for tactile control
  • Dedicated Performance Knobs for precise adjustments
  • Real-time oscilloscope waveform display
  • MIDI keyboard and sequencer support
  • AUv3 integration with host sync
  • Standalone app functionality
Read full description

WAIL - Industrial Feedback Synthesiser, Drone and AUV3 FX Turn unstable feedback into a playable instrument. WAIL forces a self-resonating signal into submission, generating harsh drones, soaring screams, and aggressive textures that traditional synths refuse to touch. Built for zero menu-diving and pure performance, WAIL delivers raw, uncompromised noise control in a single intuitive screen. TAME THE NOISE: 4 Dynamic XY Pads: Instant tactile control over Feedback/Filter, Bite/Space, Ring/Fold, and Comb/Sub. Dedicated Performance Knobs: Master, Spread, Grind, and Tune, with dual-axis Coarse/Fine tuning designed for precise, subtle adjustments mid-performance. Real-Time Visuals: Built-in integrated oscilloscope displays waveform stability and feedback saturation as you play. Drone or MIDI Triggered: Play as an evolving drone, or connect a MIDI keyboard or sequencer. AUv3 FX: Load WAIL as an effect in your host and run any track through its feedback engine. Push a drum loop, a vocal, or a synth line into full self-resonating collapse, or layer WAIL's own drone on top of what you send in. Seamless AUv3 Integration: Full host transport sync, preset save/recall, and universal MIDI CC learn across all 12 parameters. Universal Support: Formatted natively for both iPad and iPhone as an AUv3 plugin or Standalone app. 12 parameters. 4 XY pads. One feedback loop trying to escape. Sound demo here - https://www.youtube.com/watch?v=Z18IcVSqtwY Crafted by NOIDED Industries, Rochdale, England

About

FAC Gravity

Features
Currently charting
Read full description

FAC Gravity AUv3 Plugin is a frequency shifter for creating Barberpole and Shepard style glissandos, spectral illusions, stereo rotation, chorusing, phasing, evolving echoes, infinite cosmic spaces, and all the combinations you’ll make. The plugin gives you two ways to process the audio source. In Stereo mode, each channel is shifted independently, with a Ratio control determining how closely their frequency shifts align. In Mono mode, FAC Gravity extends the internal quadrature processing to create a wide stereo image from the mono source. The frequency shift can move up or down, from subtle to more extreme spectral transformations. You can set the amount in Hz for classic Bode-style frequency shifting, make it follow your host tempo for rhythmic patterns, or even control it from MIDI notes for a more hands-on approach. A new dimension appears when you let the shifter feed back into itself with Spiral, a customizable loop with delay, blur, filtering, and different characters that shape how the sound circles, smears, interacts, and evolves over time. The result can range from bubbling textures to infinite sustained tones and noisy analog self-oscillation. Each character takes the feedback somewhere different. To dive deeper into new sonic dimensions, FAC Gravity comes with its own modulation module. The LFO, envelope follower, and flexible modulation matrix let you animate most parameters, from subtle evolving movements to complex, rhythmically reactive changes. You can even make the stereo field animate and rotate continuously by making the Width, Phase, and Pan parameters spin! You can shape the effect further by blending the processed signal with the original, while the optional limiter keeps the most extreme combinations in check. • Barberpole glissandos, spectral illusions, rotating stereo, evolving echoes • Dual Frequency Shifting, or Mono Shifting with Quadrature Stereo Widening • Organic Spiral Loop, from gentle feedback to pure analog self-oscillation • Integrated delay, diffusion blur, and independent low/high filtering • Modulation matrix, multi-source envelope follower • LFO with classic waveforms and random spline • Spinning modulation to rotate and animate the stereo field • Tempo-synced or MIDI-driven Frequency Shift, LFO, and Delay • Dry/Wet mix, optional limiting, and goniometer visualization • Advanced Responsive Design, portrait and landscape views • Universal Purchase: AUv3 for iOS (iPad/iPhone), macOS and Vision Pro The documentation is available at fredantoncorvest.com/FAC_Gravity.html This is an AUv3 Effect and requires a compatible host to work The in-app purchases are for tipping only, the app is fully functional without them

Screenshots

WAIL4 screens
FAC Gravity4 screens

Verdict

The call

The clearest difference is in-app purchases: WAIL at none against FAC Gravity's 3. WAIL also leads on iOS requirement (15.6 vs 17.0). FAC Gravity's advantage is chart position (#65 vs unranked) and price ($8.49 vs $9.99). On ads and device support 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

WAIL costs $9.99 and FAC Gravity $8.49 up front. FAC Gravity sells 3 one-off in-app purchases. WAIL asks for nothing beyond the download.

Scorecard4 real differences · 7 level
WAIL versus FAC Gravity: the parameters behind the verdict, then further details
ParameterWAILFAC Gravity
Price$9.99$8.49 — better
Rating5.0 (8 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings8 — better—
Update frequencyEvery 6 weeks—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank—#65 — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better17.0
Further details — not scored
Size27 MB4 MB
Age rating4+4+
DeveloperAnthony MoranFrederic Corvest

In-app purchases

None

WAIL

No in-app purchases

3 purchases

FAC Gravity

One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$14.99

Questions

Is WAIL free?
WAIL costs $9.99, with no in-app purchases.
Is FAC Gravity free?
FAC Gravity costs $8.49, and also offers in-app purchases.
Do WAIL or FAC Gravity have ads?
Neither WAIL nor FAC Gravity shows ads.

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