Elastic FX vs VAPolyFMv2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Elastic FX
This app is a versatile multi-effect audio processor with four channels, offering extensive sound shaping and routing capabilities. It allows users to apply up to 40 different stereo effects to various audio sources, including microphones, instruments, and imported sound files. Features like an XY-Pad for intuitive control and automation enhance its creative potential.
- 4-channel multi-effect processor
- 40 stereo effects (Modulation, Pitch, Distortion, Filter, Delay, Reverb, Others)
- Advanced audio routing options
- XY-Pad for effect control and automation
- Master effect section with EQ and compressor
- Inter-App Audio and Audiobus 3 support
- MIDI control and preset management
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EFX is a 4 channels multi-effect processor, that's easy and intuitive to play, but offers complex options to shape the sound and to route the audio effects stream. Connect EFX to any input source, like the devices built in microphone, an external keyboard or guitar (iPad soundcard needed) or to your favorite iOS drum machine or synthesizer via Inter-App Audio or Audiobus. Or import a soundfile into the app and alienate it with with up to 4 different effects at the same time! -------------------------------------------------------------- FEATURES: - Multi-effect app created by the developers of Elastic Drums - 4 effect units with different routing options - Choose one of 40 available stereo effects in each effect unit - Broad range of different effects of the following categories: Modulation, Pitch, Distortion, Filter, Delay, Reverb, Others - Additional master effect section with level meters, 3 band equalizer, compressor, stutter fx - XY-Pad to easily control the most important effect values (Kaoss Pad style) - Possibility to automate/record the XY-Pad tweaks (1,2,4,8,16 bars length) - Automated tweaks and some effects (PingPong Delay) get played in sync via Ableton Link/Inter-App Audio - Audiobus 3 support - Audiobus state save - Audiobus remote control - Inter-App Audio support - Simple audio player to test the effects with audiofiles - Tweak the most important parameters via Midi, Midi learn option - Switch user-presets with Midi Program Change messages - Save, load and share user presets FUTURE PLANS: - More effects
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 price: Elastic FX at $9.99 against VAPolyFMv2's $14.99. Elastic FX also leads on review sentiment (69% vs 50%) and ratings volume (34 vs 6). On rating, update cadence, ads and in-app purchases 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
Elastic FX costs $9.99 and VAPolyFMv2 $14.99 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 — 4.6 for Elastic FX against 4.5 for VAPolyFMv2. That said, the two scores are not equally well evidenced: Elastic FX has 34 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 69% of Elastic FX's written reviews are positive against 50% of VAPolyFMv2's.
Elastic FX ships an update every 5 weeks, VAPolyFMv2 every 2 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.
| Parameter | Elastic FX | VAPolyFMv2 |
|---|---|---|
| Price | $9.99 — better | $14.99 |
| Rating | 4.6 (34 ratings) — better | 4.5 (6 ratings) |
| Positive reviews | 69.2% of reviews — better | 50.0% of reviews |
| Number of ratings | 34 — better | 6 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 11.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 34 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Oliver Greschke (DE) | Ryo Togawa |
Customer experience
Elastic FX
VAPolyFMv2
In-app purchases
Elastic FX
No in-app purchases
VAPolyFMv2
No in-app purchases









