Comparison

LA Comp vs VAPolyTZFM

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

LA Comp

This audio effect plugin offers a vintage-inspired optical compressor with modern flexibility. It provides in-depth control over dynamics, tube flavors, and stereo width, allowing for precise sound shaping on vocals and mixes. Compatible across multiple platforms for on-the-go creativity.

Highlights
  • Vintage and modern optical compression
  • Multiple tube flavor options
  • Auto-Gain functionality
  • Emphasis frequency control
  • Stereo spread for width
  • Side-chain input
  • Cross-platform presets
Features
Read full description

Legendary sound with a modern twist. LA Comp reimagines a studio classic with unmistakable vintage tone bringing in-depth control. Whether you're crafting silky vocal lines or adding punch to your mix, it's got the soul of a legend with a twist of modern-day flexibility. Optical dynamics with ease. With side-chain, auto-gain, and in-depth control over tube and optical elements, you’ll have everything you need to shape your sound in ways you never imagined. Mix anywhere. Anytime. From the studio to your mobile rig, LA Comp is ready. With VST3, AAX, AU, and AUv3 compatibility across macOS, Windows, iPhone, and iPad, your sound goes wherever inspiration strikes—without compromising quality or control. Features -10 included cross-platform presets for instant inspiration -Auto-Gain to keep the focus on your dynamics -Analog warmth and drive with three tube flavors: Vintage, Modern, and Stock -Gain reduction (Mono or Stereo) and calculation options (RMS or Peak) -Emphasis frequency control for tailored compression -Stereo spread for enhanced width and space -Side-chain input for creative mixing and shaping -Allows external audio device use Fully compatible with VST3, AAX, AU, and AUv3.* *AUv3 and standalone only on iOS. Mac/PC (Sold separately) required for VST3 and AAX.

About

VAPolyTZFM

This app is a polyphonic synthesizer that utilizes Through Zero FM for musical sound generation. It offers a standalone mode with Ableton Link and MIDI support, as well as an AudioUnit Extension for use with other music software. Built-in effects and iCloud Drive integration enhance its creative capabilities.

Highlights
  • Through Zero FM synthesis
  • AudioUnit Extension (AUv3) support
  • Ableton Link and MIDI connectivity
  • Built-in effects suite
  • iCloud Drive project sharing
  • Analog style step sequencer
  • Up to 8 voice polyphony
Features
Read full description

VAPolyTZFM is polyphonic synthesizer featuring Through Zero FM, which is a type of linear frequency modulation and it is capable to maintain the pitch therefore it can deliver more musical results. VAPolyTZFM 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 Through Zero FM Analog Style Step Sequencer. Eight Assignable Controllers. 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 256 Factory 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. 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

LA Comp3 screens
VAPolyTZFM4 screens

Verdict

The call

LA Comp and VAPolyTZFM both sit at 5.0 stars, but that hides the real split: 100% of LA Comp's written reviews are positive against 50% of VAPolyTZFM's. LA Comp also leads on update cadence (every 3 weeks vs every 9 months) and iOS requirement (12.0 vs 16.6). VAPolyTZFM's advantage is price ($5.99 vs $9.99). On rating, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

LA Comp costs $9.99 and VAPolyTZFM $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for LA Comp against 5.0 for VAPolyTZFM. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews are what separate them: 100% of LA Comp's written reviews are positive against 50% of VAPolyTZFM's.

UpkeepUpdate frequency

LA Comp ships an update every 3 weeks, VAPolyTZFM every 9 months. The most recent releases landed on September 7, 2026 and September 6, 2026 respectively.

Scorecard4 real differences · 6 level
LA Comp versus VAPolyTZFM: the parameters behind the verdict, then further details
ParameterLA CompVAPolyTZFM
Price$9.99$5.99 — better
Rating5.0 (4 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings4 — better3
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.0 — better16.6
Further details — not scored
Size51 MB17 MB
Age rating4+4+
DeveloperOSC AudioRyo Togawa

Customer experience

LA Comp

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

VAPolyTZFM

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

LA Comp

No in-app purchases

None

VAPolyTZFM

No in-app purchases

Questions

Is LA Comp free?
LA Comp costs $9.99, with no in-app purchases.
Is VAPolyTZFM free?
VAPolyTZFM costs $5.99, with no in-app purchases.
Which has better reviews, LA Comp or VAPolyTZFM?
LA Comp and VAPolyTZFM are both rated 5.0 out of 5 on the App Store, from 4 and 3 ratings respectively.
Do LA Comp or VAPolyTZFM have ads?
Neither LA Comp nor VAPolyTZFM shows ads.
Which is updated more often, LA Comp or VAPolyTZFM?
LA Comp ships an update every 3 weeks, and VAPolyTZFM every 9 months. Most recently, LA Comp was updated on September 7, 2026 and VAPolyTZFM on September 6, 2026.

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