Comparison

SpinBud vs Delay Line

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

Head to head
About

SpinBud

Features
Read full description

SpinBud is a rotary spatial modulation effect for iPhone and iPad. It is built around a simple scene: your sound drives up to 3 rotating speaker plates, each plate can hold up to 3 horns, and a fixed stereo mic rig captures the movement. Use SpinBud on organs, synths, guitars, pads, drums, vocals, or full mixes when you want moving stereo color, gentle cabinet bloom, tempo-synced tremolo, wide chorus-like motion, or unstable broken-speaker textures. ROTARY PLATES - Use up to 3 independent rotating plates - Set each plate's speed, direction, horn count, level, phase, and band range - Choose free-running speed in Hz or sync plate motion to host tempo - Shape speed changes with Ramp Up and Ramp Down - Drag plates directly in the visualizer for manual spin gestures SPLIT-BAND MOTION - Send different frequency ranges to different plates - Start quickly with band presets such as Low, Body, Mid, Presence, Air, Full, and more - Adjust custom Min Freq and Max Freq values per plate - Use the spectrum view while finding useful band ranges - Keep low movement slow and high movement fast, or overlap bands for denser modulation STEREO MIC RIG - Capture the rotating plates through one shared stereo mic setup - Adjust mic angle and stereo spread - Set left and right mic distance independently - Blend dry and wet on the main output - Add Room for a small cabinet-style space around the wet signal ROTARY CHARACTER - Add Doppler for pitch movement from approaching and receding horns - Use Directivity to control how focused the horn movement feels - Increase Tone to darken horns as they turn away from the microphones - Add Wobble for motor drift, loose movement, or broken rotation - Push the excitation path with Drive PRESETS AND ROUTING - Load factory presets for chorale, tremolo, brake, wide, chorus, wobble, shimmer, lo-fi, and multi-plate setups - Save your own user presets - Run as a standalone app - Connect MIDI in standalone mode and use MIDI notes to flick individual plates - Use AUv3 multi-out in compatible hosts to route separate wet stereo stems for Plate 1, Plate 2, and Plate 3 SpinBud is not a full Leslie simulator. It is a rotating emitter plus fixed stereo listener effect for motion, width, rhythmic modulation, and split-band rotary sound design. The AUv3 FX plugin needs a compatible AUv3 host such as AUM, Logic Pro for iPad, Loopy Pro, Cubasis, GarageBand, BeatMaker 3, or another compatible host.

About

Delay Line

This audio effect app offers a high-quality digital delay with smooth parameter control for musical echoes. It's designed to add depth and space to your sound without unwanted noise.

Highlights
  • High-quality digital delay
  • Smooth parameter interpolation
  • Feedback control
  • Musical echoes
  • Linear interpolation for delay time
  • Comprehensive parameter smoothing
Features
Read full description

A high-quality digital delay effect with smooth parameter interpolation and feedback control. This delay provides clean, musical echoes perfect for adding depth and space to your audio. The delay uses linear interpolation for smooth delay time changes and includes comprehensive parameter smoothing to eliminate zipper noise during real-time parameter adjustments.

Screenshots

SpinBud4 screens
Delay Line4 screens

Verdict

The call

The clearest difference is price: Delay Line at $1.99 against SpinBud's $4.99. SpinBud's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases 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

SpinBud costs $4.99 and Delay Line $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
SpinBud versus Delay Line: the parameters behind the verdict, then further details
ParameterSpinBudDelay Line
Price$4.99$1.99 — better
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 3 days—
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size8 MB7 MB
Age rating4+4+
DeveloperCem OlcayCallback Audio, LLC

In-app purchases

None

SpinBud

No in-app purchases

None

Delay Line

No in-app purchases

Questions

Is SpinBud free?
SpinBud costs $4.99, with no in-app purchases.
Is Delay Line free?
Delay Line costs $1.99, with no in-app purchases.
Do SpinBud or Delay Line have ads?
Neither SpinBud nor Delay Line shows ads.

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