Comparison

Comp 609 vs Filterjam

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

Head to head
About

Comp 609

This audio effect plugin emulates analog compressors, offering extensive control over attack, release, ratio, and saturation. It supports various operation modes, external sidechaining, and parallel compression for detailed audio shaping. A demo version is available with a time limit.

Highlights
  • Analog compressor emulation
  • Adjustable attack, release, and ratio
  • External sidechain with high-pass filter
  • Multiple operation modes (M/S, Stereo, Mono)
  • Parallel compression
  • Oversampling and 64-bit processing
  • Scalable GUI
Read full description

Comp 609 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 Comp 609 AUv3 plug-in as many times as you want, thereby you get the Demo period again and again.) Unlimited version of Comp 609 AUv3 plug-in comes as In-App Purchase. FEATURES: • 6 Attack, 9 Recovery (Release) and 5 Ratio selections; • External Sidechain and Sidechain signal High-pass filter; • 6 operation modes: M/S, Mid-channel, Side-channel, Mono with Right-channel as Sidechain signal, 2-Mono, linked Stereo (or Mono); • Parallel compression; • 8x Oversampling and 64-bit floating point processing; • Undo/Redo; • A/B comparison; • 2x/4x/8x Upsampling; • Macro controllers; • Built-in Gain Match; • Scalable GUI. COMPRESSOR SECTION: • Threshold determines how much compression will occur. When the input signal exceeds the Threshold level, the compressor engages. A smaller value results in more compression. The available range is from -20 dBu to +12 dBu; • Attack determines how fast limiting will engage when the signal exceeds the limiter Threshold. The available values is from 1 to 6; • Recovery (Release) is the time it takes for the compressor to stop processing after the signal drops below the Threshold value. The available values are 40, 80, 100, 400, 600, 800, 1000, 1500, 2000 ms; • Ratio — this control determines the compressor ratio. The available values are 1.5:1, 2:1, 3:1, 4:1 and 6:1; • Sat. On — this toggle switch enables the Analog Saturation. The saturation has no effect unless this switch is in the «On» (down) position. MASTER SECTION: • SC-Filter — the Sidechain Filter controls the cutoff frequency of a low-cut filter on the compressor control signal Sidechain. The available range is 30 Hz to 240 Hz and Off; • Input Gain controls the signal input level to the plug-in; • The Makeup control increases the signal level out of the compressor to compensate for reduced levels as a result of compression. The available range is -20 dB to +20 dB. The Makeup control does not affect the amount of compression; • Mix — the output balance between the signal processed by the plug-in and the original dry source signal can be adjusted with the Mix control. Mix facilitates parallel compression techniques without having to create additional routings in the DAW; • Comp. In — this toggle switch enables the compressor. The compressor has no effect unless this switch is in the «In» (down) position. • Mode — compressor can operate in six modes: M/S, Mid-channel, Side-channel, Mono with Right-channel as Sidechain signal, 2-Mono, linked Stereo (or Mono). This switch determines the active mode. To use Comp 609 as a plug-in, you need an AUv3-compatible host app like GarageBand, Auria, AUM, Cubasis and more — Comp 609 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

Comp 6094 screens
Filterjam2 screens

Verdict

The call

The clearest difference is in-app purchases: Filterjam at none against Comp 609's 1. Filterjam also leads on rating (5.0 vs 4.8). Comp 609's advantage is update cadence (every 7 months 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. Comp 609 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 4.8. Both are backed by a comparable volume of ratings — 25 and 34 respectively. Written reviews complicate that: 88% of Comp 609'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

Comp 609 ships an update every 7 months, Filterjam every 22 months. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 5 level
Comp 609 versus Filterjam: the parameters behind the verdict, then further details
ParameterComp 609Filterjam
PriceFreeFree
Rating4.8 (25 ratings)5.0 (34 ratings) — better
Positive reviews87.5% of reviews — better83.3% of reviews
Number of ratings2534 — better
Update frequencyEvery 7 months — 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
Size21 MB25 MB
Age rating4+4+
DeveloperRRS, OOOAudioThing Ltd.

Customer experience

Comp 609

All ratings25 ratings
Positive96.0%
Neutral0.0%
Negative4.0%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Filterjam

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

In-app purchases

1 purchases

Comp 609

One-time1
  • RRS Comp 609 Unlimited$4.99
None

Filterjam

No in-app purchases

Questions

Is Comp 609 free?
Comp 609 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, Comp 609 or Filterjam?
Filterjam is rated higher. Comp 609 averages 4.8 out of 5 from 25 ratings, while Filterjam averages 5.0 from 34 ratings.
Do Comp 609 or Filterjam have ads?
Neither Comp 609 nor Filterjam shows ads.
Which is updated more often, Comp 609 or Filterjam?
Comp 609 ships an update every 7 months, and Filterjam every 22 months. Most recently, Comp 609 was updated on September 30, 2026 and Filterjam on October 1, 2026.

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