IFW vs VAPolyFMv2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IFW
This app provides a dedicated sound engine for wind synthesizers, offering professional-grade expressive sounds. Connect your wind controller via USB to access high-quality oscillators, analog-style filters, and rich effects. Share custom patches with a global community.
- Dedicated sound engine for wind synths
- High-quality oscillator and analog-style filter
- Rich effects and special filters
- Intuitive modulation matrix
- Community patch sharing
- USB wind controller connection
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Breathe life into your music with the ultimate sound for wind synths — trusted by the pros. IFW is a dedicated sound engine built exclusively for wind synthesizers. Just connect your wind controller via USB — no complex setup required — and start playing the same expressive sounds that have been trusted on professional stages for over a decade. At its core is an ultra-clear, high-quality oscillator paired with an authentically warm, analog-style filter that responds with natural distortion. Add in rich effects, special filters that emulate strings and muted playing techniques, and an intuitive modulation matrix — all designed to unleash your full creative potential. Share your custom patches with players around the world through our community feature — no login required. The ultimate performance experience, for every wind synth player. Purchase a paid subscription to unlock all preset patches, the ability to edit and save, and a feature to share your patches. If you do not cancel auto-renewal at least 24 hours before the end of your subscription period, your subscription will be automatically renewed. Your account will be charged for the renewal within 24 hours after the end of the current period. When changing devices, using other devices with the same account, or reinstalling the app, you can restore your previously purchased paid version for free. Please tap "Restore Purchase" on the screen that appears at launch. To cancel your subscription, please tap the icon in the top-right corner of the App Store, select "Subscriptions," choose "IFW," and then tap "Cancel Subscription." Use of this app is subject to Apple's standard End User License Agreement (EULA). https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Here is our privacy policy. https://studio-r.tokyo/products/ifw/privacypolicy.html
VAPolyFMv2
This modular FM synthesizer offers 8 operators with spectral form and pitch EG, supporting standalone use or as an AUv3 extension. It includes built-in effects, a step sequencer, and extensive MIDI and Ableton Link integration for music creation across Apple devices.
- 8 Operator Modular FM Synthesizer
- Built-in effects (delay, chorus, reverb, etc.)
- Analog style step sequencer
- Audio Unit Extension (AUv3) support
- Ableton Link and MIDI 2.0 integration
- Cross-platform iCloud Drive project sharing
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VAPolyFM V2 is modular FM synthesizer inspired by modern FM Synthesizers. V2 features 8 operators, 4 oscillator spectral form and pitch EG per operators. VAPolyFM operates as a stand alone or as an AudioUnit Extension (AUv3) for iPhone, iPad and Mac. Stand Alone supports Ableton Link, MIDI and audio file export. Built-in Effects include delay, chorus, flanger, reverb, eq and compressor. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac. Main Features 8 Operator Modular FM Synthesizer. 4 Spectral Form. Pitch EG per Operators. Modular Operator Routing. Eight Assignable Controllers with Global Offset Parameters for Performance. Analog Style Step Sequencer. Maximum 8 voice polyphony. It depends on performance of the device it is running. Built-in effects and piano roll sequencer. Audio Export. Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC) Support Audio Unit Extension (AUv3). Support MIDI 2.0. Support Foot Pedal and Per Note Control. Support Ableton Link, Bluetooth MIDI, MIDI In / Out. Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms. Include 230 Factory Presets, 40 Effects Presets and 5 Macro Presets. Improvements Support MIDI Foot Pedal (CC#11, CC#64) Support MIDI2.0 Per Note Control Messages MIDI CC Settings are saved. It will be recovered when the app launched in the next time. UI Color can be selected from black, navy or gray. System Requirements iOS 17.0 or later Devices with Apple Silicon are recommended. A13 Fusion or above is highly recommended. if sound is distorted when using a device with less CPU power, reduce number of voices. AudioUnit Extension (AUv3) requires host application which support AudioUnit Extension. AudioUnit Extension is supported by Apple Logic and Apple Garage Band on iOS and macOS. For any other DAW, it depends on the application and some of them don’t support AudioUnit Extension.
Screenshots
Verdict
The clearest difference is review sentiment: VAPolyFMv2 at 50% against IFW's 0%. VAPolyFMv2 also leads on rating (4.5 vs 2.3) and in-app purchases (none vs 1). IFW's advantage is price (Free vs $14.99) and update cadence (every 2 days vs every 2 months). On ratings volume, ads, device support and iOS requirement 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
IFW is free to download; VAPolyFMv2 costs $14.99 up front. IFW sells 1 in-app purchase, starting at $1.99 per month. VAPolyFMv2 asks for nothing beyond the download.
VAPolyFMv2 holds the better App Store score, 4.5 against 2.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews point the same way: 0% of IFW's written reviews are positive against 50% of VAPolyFMv2's.
IFW ships an update every 2 days, VAPolyFMv2 every 2 months. Both last shipped on October 24, 2026.
| Parameter | IFW | VAPolyFMv2 |
|---|---|---|
| Price | Free — better | $14.99 |
| Rating | 2.3 (3 ratings) | 4.5 (6 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 3 | 6 — better |
| Update frequency | Every 2 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 36 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Masanao Takeuchi | Ryo Togawa |
Customer experience
IFW
VAPolyFMv2
In-app purchases
IFW
- IFW Monthly Subscription7 Days trial$1.991 Month
VAPolyFMv2
No in-app purchases









