Comparison

Signal Path vs Spiral Chorus

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

Head to head
About

Signal Path

Record and analyze audio spectrums with a beautiful interface. Inspect detailed spectrums, adjust amplitude thresholds, and manage file sizes. Supports various I/Q data formats and FFT lengths.

Highlights
  • Record audio spectrums
  • Inspect spectrums with two-finger drag
  • Adjust amplitude thresholds
  • Manage recording file size
  • Open and save WAV files
  • Supports raw I/Q data formats
  • Multiple FFT lengths and window functions
Features
Read full description

Signal Path is the most performant spectrum viewing app with beautiful user interface. You can record audio spectrums using microphone and replay them or open large recordings containing I/Q data. Inspect spectrums Spectrums can be selected using two finger drag gesture. Tapping on histogram reveals amplitude value of the selected frequency bin. Adjust thresholds Signal Path automatically expands amplitude threshold range when viewing spectrums. You can also set custom amplitude thresholds if needed. Keeping file size under control Signal Path can set a maximum file size for recording after which file is recreated. Can open wav files and save recorded audio as wav Supported interleaved raw I/Q data formats Float, int8, int16, int32, uInt8, uInt16, and uInt32 Fast Fourier transform lengths 256, 512, 1024, 2048, 4096, 8192 Window functions Rectangular, Blackman, Hamming, and Hann

About

Spiral Chorus

This music effect plugin offers an analog-modeled LCR chorus with touch-friendly controls and immersive 3D visuals. It seamlessly integrates into DAWs for iOS, adding depth and texture to various music productions.

Highlights
  • Analog Modeled LCR Chorus
  • Touch-Friendly Controls
  • Immersive 3D Visuals
  • Versatile Music Application
  • Optimized for iOS
  • Seamless DAW Integration
Features
Read full description

FX Forms #001 - Spiral Chorus from Wild Surmise Music, number one in the series of AUv3 FX plugins. Key Features: - Analog Modeled LCR Chorus: Delve into the rich, warm textures of an analog-modeled LCR (Left-Center-Right) chorus effect, bringing a new dimension to your tracks. - Touch-Friendly Controls: With an interface tailored for iOS, Spiral Chorus offers intuitive, touch-friendly controls. Effortlessly sculpt your sound with responsive sliders and xy pads, ensuring a seamless workflow. - Immersive 3D Visuals: Enhance your audio manipulation experience with captivating 3D visuals in the background. - Versatile Application: Whether you're working on dreamy soundscapes, dynamic beats, or cutting-edge experimental sounds, Spiral Chorus adds a layer of depth and texture to your music. - Optimized for iOS: Crafted specifically for the iOS environment, Spiral Chorus ensures a stable, high-performance experience on your favorite devices. 3D Visuals leverage SceneKit and Metal Shaders providing good visual performance on iOS devices. - Seamless Integration: Use Spiral Chorus seamlessly within your favorite DAW as an AUv3 plugin, fitting perfectly into your existing workflow.

Screenshots

Signal Path4 screens
Spiral Chorus1 screens

Verdict

The call

The clearest difference is review sentiment: Spiral Chorus at 89% against Signal Path's 17%. Spiral Chorus also leads on price (Free vs $8.99) and rating (5.0 vs 3.0). Signal Path's advantage is in-app purchases (none vs 3) and update cadence (every 2 months vs every 15 months). 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

Spiral Chorus is free to download; Signal Path costs $8.99 up front. Spiral Chorus sells 3 one-off in-app purchases. Signal Path asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Spiral Chorus holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Spiral Chorus has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 17% of Signal Path's written reviews are positive against 89% of Spiral Chorus's.

UpkeepUpdate frequency

Signal Path ships an update every 2 months, Spiral Chorus every 15 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

Scorecard8 real differences · 2 level
Signal Path versus Spiral Chorus: the parameters behind the verdict, then further details
ParameterSignal PathSpiral Chorus
Price$8.99Free — better
Rating3.0 (2 ratings)5.0 (15 ratings) — better
Positive reviews16.7% of reviews88.9% of reviews — better
Number of ratings215 — better
Update frequencyEvery 2 months — betterEvery 15 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS26.616.0 — better
Further details — not scored
Size4 MB12 MB
Age rating4+4+
DeveloperToomas VahterTom Power

Customer experience

Signal Path

All ratings2 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews6 reviews
Positive16.7%
Neutral33.3%
Negative50.0%

Spiral Chorus

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive88.9%
Neutral11.1%
Negative0.0%

In-app purchases

None

Signal Path

No in-app purchases

3 purchases

Spiral Chorus

One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$9.99

Questions

Is Signal Path free?
Signal Path costs $8.99, with no in-app purchases.
Is Spiral Chorus free?
Spiral Chorus is free to download, with in-app purchases available.
Which has better reviews, Signal Path or Spiral Chorus?
Spiral Chorus is rated higher. Signal Path averages 3.0 out of 5 from 2 ratings, while Spiral Chorus averages 5.0 from 15 ratings.
Do Signal Path or Spiral Chorus have ads?
Neither Signal Path nor Spiral Chorus shows ads.
Which is updated more often, Signal Path or Spiral Chorus?
Signal Path ships an update every 2 months, and Spiral Chorus every 15 months. Most recently, Signal Path was updated on October 24, 2026 and Spiral Chorus on October 13, 2026.

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