Comparison

Multi vs RRS EQ173

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

Head to head
About

Multi

This audio compressor plugin offers multi-band processing for precise control over different frequency ranges. It features a modern interface with stereo meters and adjustable parameters for each of the four bands, ideal for detailed audio mixing.

Highlights
  • Multi-band compression with 4 bands
  • Adjustable threshold, ratio, gain, attack, release per band
  • Automatic gain (make-up) mode
  • Frequency domain splitting with crossover controls
  • Gate and peak lights for each band
  • Mute specific frequency bands
Read full description

This is a AUv3 compatible audio compressor which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand. It supports a modern graphical interface and presets with stereo meters for monitoring signal levels. An audio compressor is used to reduce the volume levels of loud sounds above a specified threshold and amplify quiet parts thus reducing an audio signals dynamic range. The dynamic volume changes of a recording means that the overall level of the compressed recording can be increased inside your mix. The recording will also sit inside your whole mix much more easily. There are times when you need to apply different amounts of compression to specific frequency bands such as when compressing drums. In these cases you can isolate say the kick drum and the snare, providing a boost to the kick, while suppressing the snare. This multi band compressor allows you to define 4 bands, with separate threshold, ratio, gain, attack and release times for each. We also provide an automatic gain mode, often referred to as make-up which automatically boosts the signal as you decrease the threshold. Once the compressor gate is triggered simply adjust the gain to suite. This effect effectively splits the frequency domain into 4 bands using 3 crossover controls. We provide gate and peak lights for all four compression bands as well as allowing you to mute specific bands which might be useful if you are wanting to remove a frequency range from the mix. This is one of a suite of AUv3 compatible plugins which will also soon be available from 4Pockets.

About

RRS EQ173

This audio plugin emulates a vintage mic/line amplifier with comprehensive EQ controls. It offers a demo mode with limited playtime and an unlimited version available via in-app purchase. Features include stereo/mid/side EQ, undo/redo, and a scalable GUI.

Highlights
  • Standalone and AUv3 plugin
  • Modeled vintage EQ
  • Stereo, Mid, or Side EQ modes
  • Undo/Redo functionality
  • A/B comparison
  • Scalable GUI
Read full description

EQ173 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 EQ173 AUv3 plug-in as many times as you want, thereby you get the Demo period again and again.) Unlimited version of EQ173 AUv3 plug-in comes as In-App Purchase. Red Rock Sound EQ173 is based on introduced in 1970, this hallowed class-A, transistor mic/line amp with EQ epitomizes the beautiful sound, with unparalleled clarity, sheen and bite. Features: • Standalone and AUv3 plug-in; • Modeled vintage EQ; • Stereo (Mono), Mid or Side EQ modes; • Undo/Redo; • A/B comparison; • 2x/4x/8x Upsampling; • Macro controllers; • Built-in Gain Match; • Scalable GUI. PREAMP SECTION: • Line Gain — Line drive is increased as the knob is rotated counter-clockwise. Range: -20 to +10; • Mic Gain — To increase the mic drive, rotate the knob clockwise. Range: -20 to -80. PreAmp will not increase gain, just harmonic distortion. The distortion is mild and adds some coloration. EQ SECTION: • High Band — The High Shelf knob offers approximately ±15 dB of smooth fixed frequency shelving equalization at 12 kHz. Rotate the control clockwise to add the famous high-end sheen, or counter-clockwise to reduce the treble response; • Midrange Band— The midrange band is controlled by two knobs, delivering smooth semi-parametric midrange equalization. The right knob controls the band gain, and the left knob selects the band frequency or band disable. The response for this band has a dependence on the bandwidth as the gain is adjusted. At higher center frequencies, the Q goes up for a more focused peak; • Low Band — The low band delivers smooth low frequency shelving equalization, controlled by two knobs. The right knob controls the band gain, and the left knob selects the shelf frequency or band disable. The available range is approximately ±15 dB. The band gain is zero when the knob position indicator is pointing straight down; • Low Cut — This knob specifies the fixed frequency of the low cut (high pass) filter. This filter has an 18 dB per octave slope. The available frequencies are 50 Hz, 80 Hz, 160 Hz, 300 Hz and OFF. MASTER SECTION: • Input — Input adjusts the signal level at the input of the plug-in without effecting the sonic character of the signal. The available range is ±24 dB; • Phase — The PHASE button inverts the polarity of the signal. When the switch is engaged, the phase is inverted. Leave the switch in the disengaged for normal phase; • EQ — The equalizer is engaged when the EQ switch is engaged. To disable the EQ, disengage the switch. In the EQ173 the audio is still colored even when the EQ switch is disengaged and the EQ settings are in their «flat» positions. This is due to the fact that the signal is still passing through PreAmp circuitry; • Output — Output adjusts the signal level at the output of the plug-in without effecting the sonic character of the signal. The available range is ±24 dB. To use EQ173 as a plug-in, you need an AUv3-compatible host app like GarageBand, Auria, AUM, Cubasis and more — EQ173 will appear in the list of Audio Unit extensions for effect plug-ins in the host app.

Screenshots

Multi1 screens
RRS EQ1734 screens

Verdict

The call

The clearest difference is review sentiment: RRS EQ173 at 100% against Multi's 50%. RRS EQ173 also leads on price (Free vs $5.99) and rating (4.9 vs 3.3). Multi's advantage is in-app purchases (none vs 1). On 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

RRS EQ173 is free to download; Multi costs $5.99 up front. RRS EQ173 sells 1 one-off in-app purchase. Multi asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RRS EQ173 holds the better App Store score, 4.9 against 3.3. That said, the two scores are not equally well evidenced: RRS EQ173 has 22 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Multi's written reviews are positive against 100% of RRS EQ173's.

UpkeepUpdate frequency

Multi ships an update every 2 months, RRS EQ173 monthly. The most recent releases landed on September 6, 2026 and September 13, 2026 respectively.

Scorecard8 real differences · 2 level
Multi versus RRS EQ173: the parameters behind the verdict, then further details
ParameterMultiRRS EQ173
Price$5.99Free — better
Rating3.3 (3 ratings)4.9 (22 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings322 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1310.0 — better
Further details — not scored
Size6 MB16 MB
Age rating4+4+
Developer4Pockets.comRRS, OOO

Customer experience

Multi

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

RRS EQ173

All ratings22 ratings
Positive95.5%
Neutral4.5%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Multi

No in-app purchases

1 purchases

RRS EQ173

One-time1
  • RRS EQ173 Unlimited$4.99

Questions

Is Multi free?
Multi costs $5.99, with no in-app purchases.
Is RRS EQ173 free?
RRS EQ173 is free to download, with in-app purchases available.
Which has better reviews, Multi or RRS EQ173?
RRS EQ173 is rated higher. Multi averages 3.3 out of 5 from 3 ratings, while RRS EQ173 averages 4.9 from 22 ratings.
Do Multi or RRS EQ173 have ads?
Neither Multi nor RRS EQ173 shows ads.
Which is updated more often, Multi or RRS EQ173?
Multi ships an update every 2 months, and RRS EQ173 monthly. Most recently, Multi was updated on September 6, 2026 and RRS EQ173 on September 13, 2026.

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