# TB DualVCF vs BLEASS Flanger

The clearest difference is update cadence: TB DualVCF at every 2 months against BLEASS Flanger's every 31 months. BLEASS Flanger's advantage is review sentiment (100% vs 80%) and price ($3.99 vs $4.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

TB DualVCF costs $4.99 and BLEASS Flanger $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for TB DualVCF against 5.0 for BLEASS Flanger. Both are backed by a comparable volume of ratings — 18 and 13 respectively. Written reviews are what separate them: 80% of TB DualVCF's written reviews are positive against 100% of BLEASS Flanger's.

TB DualVCF ships an update every 2 months, BLEASS Flanger every 31 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | TB DualVCF | BLEASS Flanger |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | [4.9 (18 ratings)](https://appshunter.io/ios/app/tb-dualvcf/id1505169270/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/bleass-flanger/id1523985379/reviews)** |
| Number of ratings | **18** | 13 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 31 months |
| Monetization | Paid | Paid |
| Size | 12 MB | 27 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ToneBoosters](https://appshunter.io/developer/1472446500) | [BLEASS](https://appshunter.io/developer/1220444177) |

## What reviewers say

### 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


### BLEASS Flanger

[App page](https://appshunter.io/ios/app/bleass-flanger/id1523985379)

This audio effect app provides a modern take on classic flanging, offering flexible modulation sources, an envelope generator, and beat synchronization. It allows for complex and evolving timbral movement within your sound, with intuitive controls and efficient CPU usage.

**Highlights:** Flexible LFOs, Envelope generator, Beat synchronization, Variable modulation routing, Multi-mode input filter, Stereo width control

**In-app purchases:** none


## Frequently asked questions

### Is TB DualVCF free?

TB DualVCF costs $4.99, with no in-app purchases.

### Is BLEASS Flanger free?

BLEASS Flanger costs $3.99, with no in-app purchases.

### Which has better reviews, TB DualVCF or BLEASS Flanger?

BLEASS Flanger is rated higher. TB DualVCF averages 4.9 out of 5 from 18 ratings, while BLEASS Flanger averages 5.0 from 13 ratings.

### Do TB DualVCF or BLEASS Flanger have ads?

Neither TB DualVCF nor BLEASS Flanger shows ads.

### Which is updated more often, TB DualVCF or BLEASS Flanger?

TB DualVCF ships an update every 2 months, and BLEASS Flanger every 31 months. Most recently, TB DualVCF was updated on November 3, 2026 and BLEASS Flanger on November 7, 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.*