TB Equalizer vs RRS EQ173
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TB Equalizer
This professional audio plug-in offers advanced equalization with a dynamic workflow and warm, non-linear filters. It processes microphone input in real-time and integrates with AUv3-compatible host apps for music production.
- Mastering grade equalizer
- Integrated spectrum and dynamics analyzer
- Up to 16 filter sections
- Dynamic or static filter modes
- AI-powered equalization suggestions
- Oversampling and anti-aliasing
- Mid/side/left/right processing
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ToneBoosters Equalizer is a top-quality, professional, dynamic equalizer AUv3 plug-in with an unrivalled workflow, warm, non-linear filters and a gorgeous, functional user interface. The ToneBoosters Equalizer app captures the microphone (or external sound card) input and processes the signals in real time. To use it as a plug-in, use an AUv3-compatible host app such as Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others. ToneBoosters Equalizer will appear in the list of Audio Unit extensions for effect plug-ins. Key features: - Mastering grade, professional equalizer - Integrated spectrum analyser and dynamics analyser - The same professional sound as the acclaimed desktop version - Up to 16 filter sections with a very wide range of filter types - Run each section in dynamic or static mode - Run each section with digital purity or with analog character and non-linearities - Oversampling and anti-aliasing modes to further improve sound quality - Use Artificial Intelligence (AI) for content-dependent equalisation suggestions - Audition mode to easily identify problematic frequency areas - Automatic level make up function for every section - Zero latency mode for live operation - Lasso function to select and move multiple filters simultaneously - Piano display to select musical note frequencies - Output VU meters showing peak and RMS levels simultaneously - Undo/redo, and A/B comparison - Color themes for the user interface - Adjustable colours for every filter section - Mid, side, left, right processing for stereo input for each section - Max screen support in Garageband - Optimised for iPad and compatible with iPhone and iPod Touch - Efficient, low CPU usage What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.
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.
- Standalone and AUv3 plugin
- Modeled vintage EQ
- Stereo, Mid, or Side EQ modes
- Undo/Redo functionality
- A/B comparison
- Scalable GUI
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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
Verdict
The clearest difference is price: RRS EQ173 at Free against TB Equalizer's $9.99. RRS EQ173 also leads on rating (4.9 vs 4.6) and review sentiment (100% vs 84%). TB Equalizer's advantage is in-app purchases (none vs 1) and chart position (#190 vs unranked). On update cadence, 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
RRS EQ173 is free to download; TB Equalizer costs $9.99 up front. RRS EQ173 sells 1 one-off in-app purchase. TB Equalizer asks for nothing beyond the download.
RRS EQ173 holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 66 and 22 respectively. Written reviews point the same way: 84% of TB Equalizer's written reviews are positive against 100% of RRS EQ173's.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 22, 2026 and October 17, 2026 respectively.
| Parameter | TB Equalizer | RRS EQ173 |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.6 (66 ratings) | 4.9 (22 ratings) — better |
| Positive reviews | 83.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 66 — better | 22 |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Best chart rank | #190 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | ToneBoosters | RRS, OOO |
Customer experience
TB Equalizer
RRS EQ173
Bugs and requests
TB Equalizer
Reported bugs
12 issues- Popup window for node selections cannot be disabled
- Plug-in not being read correctly
- Destroys mixed tracks
- App crashes LumaFusion as a plug-in
- Makes audio sound flat
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- Doesn't adjust any frequency
- Compatibility problem with Air Pod Pro
- Dynamic mode only works for taming frequency bands (compression), not boosting (expansion)
- LFO maximum frequency could be improved
- Instruments lose crystalline sound under 17Khz
- Only one channel side chain
- Need more bands for side chain
Requested features
14 requests- Disable popup window for node selections
- Larger UI for iPhones
- Fix plug-in reading issues
- Mouse compatibility
- Improve LFO maximum frequency
Show 9 moreShow fewer
- Add negative dynamic ratios
- Implement multi-band compressor
- Add a channel for ~5 bands side chain
- More documentation available
- Add brickwalls
- Fading spectrum on reverb app
- More Tonebooster AUs on iOS
- Dark mode option
- Advanced analytics dashboard
RRS EQ173
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TB Equalizer
No in-app purchases
RRS EQ173
- RRS EQ173 Unlimited$4.99









