TB DualVCF vs VA
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.
VA
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VA-1 is a focused virtual-analog synthesizer for musicians, producers, and sound designers who want a fast, hands-on way to create their own sounds. Play, sequence, record, and shape sounds from one direct interface inspired by classic hardware synths. No subscription. No in-app purchases. No ads. No account required. — SYNTHESIZER — • Up to 16-voice polyphony • Two oscillators plus a sub oscillator • Independent oscillator noise controls • Multi-mode filter with resonance • Amp and filter ADSR envelopes • One LFO per voice • Chorus, phaser, delay, and reverb effects Explore the included factory sounds, customize any preset, mark favorites, and save your own creations. — SEQUENCER & WAV EXPORT — Record and loop sequences while shaping the sound, change the pattern length, or use KEY mode to transpose a sequence from the keyboard. Capture VA-1’s stereo output while you play, then preview, save, or share the recording as a WAV file. Sequencer loops can also be exported directly to WAV using the current sound, tempo, and effects. Recording captures only VA-1’s internally generated output. It does not use the microphone or record audio-interface inputs. — MIDI & AUv3 — • External MIDI input and output • Send MIDI from the keyboard or sequencer to external instruments • MIDI Learn for mapping hardware controls • Standard MIDI CC support • AUv3 instrument support in compatible hosts • Background audio • Support for class-compliant USB audio interfaces — ONE PURCHASE, ALL YOUR DEVICES — VA-1 is a universal purchase. Buy it once and install it on iPhone, iPad, and Mac at no additional cost.
Screenshots
Verdict
The clearest difference is price: TB DualVCF at $4.99 against VA's $9.99. TB DualVCF also leads on iOS requirement (13.0 vs 18.0). VA's advantage is chart position (#198 vs unranked). On update cadence, ads, in-app purchases and device support 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 VA $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | TB DualVCF | VA |
|---|---|---|
| Price | $4.99 — better | $9.99 |
| Rating | 4.9 (18 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | — | #198 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 12 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | ToneBoosters | Richard Gillespie |
In-app purchases
TB DualVCF
No in-app purchases
VA
No in-app purchases









