Comparison

PolyIvoks Filter vs Filterjam

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

Filterjam

This app offers a multiband resonant filter for creating unique audio effects. It divides input signals into four bands, allowing for various sonic manipulations from subtle enhancements to extreme sound mangling.

Highlights
  • Multiband resonant filtering
  • 4-band signal division
  • Sum or multiply band modes
  • Versatile sound shaping
  • Ringmod-like effects
Features
Read full description

Filterjam is a multi-band resonant filter delivering weird ringmod-like filtered sounds. The input signal is divided into 4 bands that are then summed or multiplied together according to the selected mode. Filterjam can be very harsh or gentle, it can add brightness or depth to synth sounds, but it can also completely mangle acoustic sources.

Screenshots

PolyIvoks Filter4 screens
Filterjam2 screens

Verdict

The call

The clearest difference is in-app purchases: Filterjam at none against PolyIvoks Filter's 1. Filterjam also leads on rating (5.0 vs 4.7). PolyIvoks Filter's advantage is update cadence (fortnightly vs every 22 months) and iOS requirement (10.0 vs 14.0). On price, review sentiment, ratings volume and ads 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. Filterjam asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Filterjam holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 21 and 34 respectively. Written reviews complicate that: 86% of PolyIvoks Filter's written reviews are positive against 83% of Filterjam's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

PolyIvoks Filter ships an update fortnightly, Filterjam every 22 months. Both last shipped on October 1, 2026.

Scorecard5 real differences · 5 level
PolyIvoks Filter versus Filterjam: the parameters behind the verdict, then further details
ParameterPolyIvoks FilterFilterjam
PriceFreeFree
Rating4.7 (21 ratings)5.0 (34 ratings) — better
Positive reviews85.7% of reviews — better83.3% of reviews
Number of ratings2134 — better
Update frequencyFortnightly — betterEvery 22 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better14.0
Further details — not scored
Size17 MB25 MB
Age rating4+4+
DeveloperRRS, OOOAudioThing Ltd.

Customer experience

PolyIvoks Filter

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

Filterjam

All ratings34 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral16.7%
Negative0.0%

In-app purchases

1 purchases

PolyIvoks Filter

One-time1
  • RRS PolyIvoks Filter Unlimited$4.99
None

Filterjam

No in-app purchases

Questions

Is PolyIvoks Filter free?
PolyIvoks Filter is free to download, with in-app purchases available.
Is Filterjam free?
Filterjam is free to download, with no in-app purchases.
Which has better reviews, PolyIvoks Filter or Filterjam?
Filterjam is rated higher. PolyIvoks Filter averages 4.7 out of 5 from 21 ratings, while Filterjam averages 5.0 from 34 ratings.
Do PolyIvoks Filter or Filterjam have ads?
Neither PolyIvoks Filter nor Filterjam shows ads.
Which is updated more often, PolyIvoks Filter or Filterjam?
PolyIvoks Filter ships an update fortnightly, and Filterjam every 22 months. Most recently, PolyIvoks Filter was updated on October 1, 2026 and Filterjam on October 1, 2026.

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