TB DualVCF vs WOOTT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Dual analog filter sections
- Dozens of vintage filter models
- Envelope followers
- Intuitive modulation editor
- AUv3 plug-in compatibility
- Real-time audio processing
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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.
WOOTT
This audio effect plugin enhances sounds by simultaneously compressing loud elements and amplifying quiet ones. It's designed to add massive proportions, aggressive edges, and bring out subtle details in audio, making it ideal for producers looking to add hype and excitement to their tracks.
- Triple band dynamics algorithm
- Simultaneous downwards and upwards compression
- Dedicated limiter per band
- AUv3 audio unit effect plugin
- Universal support (iOS and macOS)
- Multi-output capability
- Mono switch for low-band signal
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WOOTT is an Audio Unit plugin (AUv3 audio effect) inspired by the infamous OTT sound. WOOTT uses a triple band dynamics algorithm with simultaneous downwards AND upwards compression, and adds a dedicated limiter to each band. So what's all that techno mumbojumbo good for? 1. First, it slams all the loud, dominant aspects of your sound 2. Next it blows up all the subtle quiet bits that were hiding below As a result, it's perfect for: - Blowing up average sounds to massive proportions - Giving an aggressive sharp edge to synthesizer filters - Bringing out subtle details and movement that would otherwise get lost in the mix (in a hamfisted way, though) - Dusting off old breakbeat samples and loops - Hyping specific aspects of your synth lines - Making generally boring things more interesting WOOTT features: - AUv3 audio unit effect plugin - Universal (all iPads and iPhones supported + MacOS M & Intel) - Runs in all your favorite AUv3 plugin hosts: Cubasis, AUM, Beatmaker 3, Nanostudio 2, Garageband, etc. - Multi-output (requires compatible host) for post-processing the individual bands - Low-resource, so stack as many of them as you like - "[WO]OTT all the things!" - Downwards *and* upwards compressors (a rare feature on conventional dynamics plugins) - Smart soft limiter per band, adapts to its own band's specific settings - Mono switch makes low-band signal monaural for an extra tight bass Note: this is not a subtle effect. If subtle and minimal are what you're after, this is not the droid you're looking for :-)
Screenshots
Verdict
TB DualVCF and WOOTT both sit at 4.9 stars, but that hides the real split: 92% of WOOTT's written reviews are positive against 80% of TB DualVCF's. WOOTT also leads on ratings volume (54 vs 18). On price, rating, update cadence and ads 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
TB DualVCF costs $4.99 and WOOTT $4.99 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 4.9 for WOOTT. Both are backed by a comparable volume of ratings — 18 and 54 respectively. Written reviews are what separate them: 80% of TB DualVCF's written reviews are positive against 92% of WOOTT's.
Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 3, 2026.
| Parameter | TB DualVCF | WOOTT |
|---|---|---|
| Price | $4.99 | $4.99 |
| Rating | 4.9 (18 ratings) — better | 4.9 (54 ratings) |
| Positive reviews | 80.0% of reviews | 91.7% of reviews — better |
| Number of ratings | 18 | 54 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | ToneBoosters | Bram Bos |
Customer experience
TB DualVCF
WOOTT
In-app purchases
TB DualVCF
No in-app purchases
WOOTT
No in-app purchases









