Comparison

PolyIvoks Filter vs KandiTrax

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

Head to head
About

PolyIvoks Filter

This audio effect plugin emulates the sound of a legendary 1980s Soviet synthesizer filter. It offers stereo output and a range of modulation and envelope controls for creative sound shaping. A demo version is available with limited free play time.

Highlights
  • Standalone and AUv3 plugin
  • Modeled vintage filter
  • LFO and envelope modulation
  • Stereo output
  • Scalable GUI
  • Undo/Redo and A/B comparison
Read full description

PolyIvoks Filter AUv3 plug-in — comes as time-limited Demo-version for you to try. It gives you 5 minutes of Free play time. (You can reload the PolyIvoks Filter AUv3 plug-in as many times as you want, thereby you get the Demo period again and again.) Unlimited version of PolyIvoks Filter AUv3 plug-in comes as In-App Purchase PolyIvoks Filter developed on the basis of the filter of the legendary Soviet synthesizer from 1980s, and only now the legendary Soviet analog sound became available in stereo mode. Features: • Standalone and AUv3 plug-in; • Precise port of Rack Extensions plug-in; • Modeled vintage Filter; • Undo/Redo; • A/B comparison; • 2x/4x/8x Upsampling; • Macro controllers; • Built-in Gain Match; • Scalable GUI. MODULATOR house the LFO controls: MODE — which offers four waveforms, including Noise and a stepped function for Sample & Hold effects, well as SPEED control. FILTER: The four controls adjust CUTOFF, RESONANCE, LPF to BPF switch, MODULATION (LFO) level and ENVELOPE level (You can set positive or negative values). ENVELOPE: repeating ATTACK/DECAY envelope. MASTER: the rightmost unit has 3 regulators ENVELOPE level (You can set positive or negative values), VOLUME (output gain) and DIGITAL/ANALOG switch. To use PolyIvoks Filter as a plug-in, you need an AUv3-compatible host app like GarageBand, Auria, AUM, Cubasis and more — PolyIvoks Filter will appear in the list of Audio Unit extensions for effect plug-ins in the host app.

About

KandiTrax

This app helps you document and share your handmade crafts. Track your creations, discover new designs, and follow the journey of each piece as it's traded.

Highlights
  • Track craft creations
  • Discover new designs
  • Share craft stories
  • Follow craft journeys
  • Connect with creators
Features
Read full description

Bring your kandi to life! Track your creations, discover new connections, share your stories, and follow the journey of each piece - because every trade tells a story.

Screenshots

PolyIvoks Filter4 screens
KandiTrax4 screens

Verdict

The call

The clearest difference is in-app purchases: KandiTrax at none against PolyIvoks Filter's 1. KandiTrax also leads on rating (5.0 vs 4.7). PolyIvoks Filter's advantage is update cadence (fortnightly vs every 6 weeks) and ratings volume (21 vs 2). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PolyIvoks Filter sells 1 one-off in-app purchase. KandiTrax asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KandiTrax holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: PolyIvoks Filter has 21 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

PolyIvoks Filter ships an update fortnightly, KandiTrax every 6 weeks. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

Scorecard6 real differences · 4 level
PolyIvoks Filter versus KandiTrax: the parameters behind the verdict, then further details
ParameterPolyIvoks FilterKandiTrax
PriceFreeFree
Rating4.7 (21 ratings)5.0 (2 ratings) — better
Positive reviews85.7% of reviews—
Number of ratings21 — better2
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better15.1
Further details — not scored
Size17 MB43 MB
Age rating4+17+
DeveloperRRS, OOODylan Elliott

Customer experience

PolyIvoks Filter

All ratings21 ratings
Positive90.5%
Neutral0.0%
Negative9.5%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

KandiTrax

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

PolyIvoks Filter

One-time1
  • RRS PolyIvoks Filter Unlimited$4.99
None

KandiTrax

No in-app purchases

Questions

Is PolyIvoks Filter free?
PolyIvoks Filter is free to download, with in-app purchases available.
Is KandiTrax free?
KandiTrax is free to download, with no in-app purchases.
Which has better reviews, PolyIvoks Filter or KandiTrax?
KandiTrax is rated higher. PolyIvoks Filter averages 4.7 out of 5 from 21 ratings, while KandiTrax averages 5.0 from 2 ratings.
Do PolyIvoks Filter or KandiTrax have ads?
Neither PolyIvoks Filter nor KandiTrax shows ads.
Which is updated more often, PolyIvoks Filter or KandiTrax?
PolyIvoks Filter ships an update fortnightly, and KandiTrax every 6 weeks. Most recently, PolyIvoks Filter was updated on October 1, 2026 and KandiTrax on October 15, 2026.

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