Comparison

Compás Builder vs TB DualVCF

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

Head to head
About

Compás Builder

This app provides a professional metronome and guitar tuner specifically designed for flamenco musicians. It allows users to create custom accompaniments for guitar, dancing, and singing performances with high-fidelity sound.

Highlights
  • Flamenco compás player
  • Enhanced metronome
  • Guitar tuner
  • Custom accompaniment creation
  • HiFi audio quality
Features
Read full description

Flamenco tool to play solo compás, with enhanced metronome and guitar tuner. Create your own accompaniment for your guitar, dancing and singing concerts in HiFi quality.

About

TB DualVCF

This app offers a dual analog filter plug-in for music production, providing a wide range of vintage filter models to shape sound. It features intuitive modulation and envelope followers for creative audio exploration, compatible with AUv3 hosts.

Highlights
  • Dual analog filter sections
  • Dozens of vintage filter models
  • Envelope followers
  • Intuitive modulation editor
  • AUv3 plug-in compatibility
  • Real-time audio processing
Read full description

Dual VCF - the ultimate dynamic filtering AUv3 plug-in! Dual VCF adds motion, shape, and colour. It produces evolving rhythmic movement and complex dynamic filter shapes. It contains dozens of analog filter models with that sought-after sound of the 70s, 80s and 90s. Combined with envelope followers and intuitive modulation editors, it provides almost infinite possibilities for creative aural exploration. Dual VCF features two filter sections, each supporting dozens of low-pass, high-pass and band-pass filter types. Every type is painstakenly modeled after analog filter types found in analog gear, analog synthesizers, and alike, including non-linear filter behavior. Dial in that characterstic 70s, 80s or 90s filter to add some analog flavor to your tracks! Each filter's cut-off frequency and resonance can be sequenced with an intuitive, free-running or beat-synced modulation editor. Seamlessly switch between sine, triangle, noise, or user-defined modulation waveforms. In addition, these parameters can also be modulated with the built-in envelope follower. The ToneBoosters DualVCF app captures the microphone (or external sound card) input and processes the signals in real time. To use it as a plug-in, use an AUv3-compatible host app such as Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others. ToneBoosters DualVCF will appear in the list of Audio Unit extensions for effect plug-ins. How to use DualVCF as AUv3 plugin in a host program, start your favourite AUv3 host app (Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others) and add TB DualVCF as Audio Unit insert effect to a track or output bus. See below on how to use Audio Units in various host apps. Key features: - The same professional sound as the acclaimed desktop version - Two analog filter sections with dozens of filter designs - Intuitive modulation editor for creative, rhythmic and evolving effects - Undo/redo, and A/B comparison - Color themes for the user interface - Max screen support in Garageband - Optimised for iPad and compatible with iPhone and iPod Touch What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.

Screenshots

Compás Builder4 screens
TB DualVCF3 screens

Verdict

The call

The clearest difference is price: TB DualVCF at $4.99 against Compás Builder's $24.99. TB DualVCF also leads on in-app purchases (none vs 3) and ratings volume (18 vs 1). On rating, update cadence, ads 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

Compás Builder costs $24.99 and TB DualVCF $4.99 up front. Compás Builder sells 3 one-off in-app purchases. TB DualVCF asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Compás Builder against 4.9 for TB DualVCF. That said, the two scores are not equally well evidenced: TB DualVCF has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 67% of Compás Builder's written reviews are positive against 80% of TB DualVCF's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 30, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
Compás Builder versus TB DualVCF: the parameters behind the verdict, then further details
ParameterCompás BuilderTB DualVCF
Price$24.99$4.99 — better
Rating5.0 (1 ratings) — better4.9 (18 ratings)
Positive reviews66.7% of reviews80.0% of reviews — better
Number of ratings118 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size22 MB12 MB
Age rating4+4+
DeveloperHerbert DapperToneBoosters

Customer experience

Compás Builder

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

TB DualVCF

All ratings18 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews15 reviews
Positive80.0%
Neutral6.7%
Negative13.3%

In-app purchases

3 purchases

Compás Builder

One-time3
  • Compás Builder playing version$8.99
  • Compás Builder upgrade$17.99
  • Compás Builder full version$26.99
None

TB DualVCF

No in-app purchases

Questions

Is Compás Builder free?
Compás Builder costs $24.99, and also offers in-app purchases.
Is TB DualVCF free?
TB DualVCF costs $4.99, with no in-app purchases.
Which has better reviews, Compás Builder or TB DualVCF?
Compás Builder is rated higher. Compás Builder averages 5.0 out of 5 from 1 ratings, while TB DualVCF averages 4.9 from 18 ratings.
Do Compás Builder or TB DualVCF have ads?
Neither Compás Builder nor TB DualVCF shows ads.
Which is updated more often, Compás Builder or TB DualVCF?
Compás Builder ships an update every 2 months, and TB DualVCF every 2 months. Most recently, Compás Builder was updated on September 30, 2026 and TB DualVCF on September 23, 2026.

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