Comparison

VariSpeed vs SignatureEQ

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

Head to head
About

VariSpeed

This app simulates a classic tape echo machine, replicating the functionality of a specific vintage hardware unit. It allows for variable delay times by altering the speed of the tape mechanism.

Highlights
  • Classic tape echo simulation
  • Variable delay time
  • AUv3 plugin compatibility
  • Replicates vintage hardware
Read full description

Please note: this is an AUv3 plugin that can be used with compatible host Apps. GSi VariSpeed is a simulation of the WEM Copicat IC-400 Belt Drive VariSpeed model, the first tape echo machine made by WEM with a DC capstan motor capable of changing speed, thus varying the delay time. GSi VariSpeed replicates the hardware instrument “as is” with all its pros and cons, without any additional feature. This can be considered as the second chapter of a tribute to the genius of Mr. Charlie Watkins that GSi began back in 2008 with the release of the freeware "WatKat", which was a simulation of the "Custom Copicat".

About

SignatureEQ

This professional 6-band parametric equalizer offers real-time sound shaping for musicians and producers. Its interactive interface allows precise adjustments to frequency, gain, and Q using intuitive gestures. Designed for performance, it integrates seamlessly with AUv3 compatible hosts on iPhone and iPad.

Highlights
  • 6 fully parametric bands
  • Real-time frequency response display
  • Intuitive gesture controls
  • Supports 7 filter types per band
  • AUv3 integration
  • Preset and automation support
  • Zero audio thread allocation
Read full description

Signature EQ is a professional 6-band parametric equalizer designed as an AUv3 audio unit extension for iPhone and iPad. Load it in AU EngineCore or any AUv3 compatible host and shape your sound with precision, in the studio or on stage. Real-Time Interactive Interface The entire interface is a live frequency response display. Drag nodes to adjust frequency and gain, pinch to control Q, double-tap to reset. No sliders, no menus, just the curve, responding to your touch in real time. Six Parametric Bands - Low Shelf at 80 Hz for bass body and warmth - F1 at 250 Hz for low-mid control - F2 at 1 kHz for mid presence and clarity - F3 at 3.5 kHz for upper-mid attack and definition - F4 at 8 kHz for presence and air - High Shelf at 12 kHz for brilliance Every band supports 7 filter types: High Pass, Low Shelf, Peak, Notch, Band Pass, High Shelf, and Low Pass. Any band can be any filter type at any time. Built for Performance Zero allocation on the audio thread. Zero locks. No artifacts, no interruptions regardless of buffer size or host load. Full AUv3 Integration Presets save and recall instantly. Scene changes in the host reflect immediately in the interface. Features - 6 fully parametric bands - Real-time frequency response display with band nodes - Drag, pinch, and double-tap gestures - Full preset and automation support - Double-precision DSP - zero audio thread allocation - Universal: iPhone and iPad

Screenshots

SignatureEQ3 screens

Verdict

The call

The clearest difference is price: SignatureEQ at $5.99 against VariSpeed's $11.99. SignatureEQ also leads on device support (3 vs 1). VariSpeed's advantage is rating (4.9 vs 4.5) and ratings volume (8 vs 2). On review sentiment, ads, in-app purchases and monetization model 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

VariSpeed costs $11.99 and SignatureEQ $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

VariSpeed holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Scorecard5 real differences · 5 level
VariSpeed versus SignatureEQ: the parameters behind the verdict, then further details
ParameterVariSpeedSignatureEQ
Price$11.99$5.99 — better
Rating4.9 (8 ratings) — better4.5 (2 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings8 — better2
Update frequencyEvery 41 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size11 MB26 MB
Age rating4+4+
DeveloperGenuine SoundwareAntonio Sorin TASU

Customer experience

VariSpeed

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SignatureEQ

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

VariSpeed

No in-app purchases

None

SignatureEQ

No in-app purchases

Questions

Is VariSpeed free?
VariSpeed costs $11.99, with no in-app purchases.
Is SignatureEQ free?
SignatureEQ costs $5.99, with no in-app purchases.
Which has better reviews, VariSpeed or SignatureEQ?
VariSpeed is rated higher. VariSpeed averages 4.9 out of 5 from 8 ratings, while SignatureEQ averages 4.5 from 2 ratings.
Do VariSpeed or SignatureEQ have ads?
Neither VariSpeed nor SignatureEQ shows ads.

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