# Compás Builder vs TB DualVCF

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.

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.

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.

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

## The numbers

| Metric | Compás Builder | TB DualVCF |
| --- | --- | --- |
| Price | $24.99 | **$4.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/compas-builder/id719081359/reviews)** | [4.9 (18 ratings)](https://appshunter.io/ios/app/tb-dualvcf/id1505169270/reviews) |
| Number of ratings | 1 | **18** |
| Positive reviews | 66.7% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | Paid |
| Size | 22 MB | 12 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Herbert Dapper](https://appshunter.io/developer/719081362) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## What reviewers say

### Compás Builder

[App page](https://appshunter.io/ios/app/compas-builder/id719081359)

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:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compás Builder playing version | $8.99 | one-time |
| Compás Builder upgrade | $17.99 | one-time |
| Compás Builder full version | $26.99 | one-time |


### TB DualVCF

[App page](https://appshunter.io/ios/app/tb-dualvcf/id1505169270)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*