Comparison

EQ550 vs YPA Control

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

Head to head
About

EQ550

This audio effect plugin emulates classic American EQs from the late 1960s, offering precise control over equalization with unique Proportional Q technology. It functions as a standalone app or an AUv3 plugin for compatible hosts, providing a flexible and characterful sound shaping experience.

Highlights
  • Standalone and AUv3 plugin
  • 3 bands of classic American equalization
  • Proportional Q filter bandwidth
  • Stereo, Mid, or Side EQ modes
  • Undo/Redo and A/B comparison
  • Scalable GUI
Read full description

EQ550 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 EQ550 AUv3 plug-in as many times as you want, thereby you get the Demo period again and again.) Unlimited version of EQ550 AUv3 plug-in comes as In-App Purchase. The EQ550 faithfully captures the punch, low-frequency transparency, and ultra-tight imaging of iconic American EQs of the late 1960’s. Making use of Proportional Q intuitively widens the filter bandwidth at minimal settings and narrows it at higher settings without the need for additional bandwidth controls. This unique feature minimizes the «phase-shift» sound found in many equalizers. Features: • Standalone and AUv3 plug-in; • 3 bands of classic American equalization; • Each band offers 7 selected frequency centers; • Maximum 15dB of boost/cut per band; • EQ Band 1 and 3 offer shelf/peak switching; • Proportional Q narrows filter Q at extremes; • Stereo (Mono), Mid or Side EQ modes; • Undo/Redo; • A/B comparison; • 2x/4x/8x Upsampling; • Macro controllers; • Built-in Gain Match; • Scalable GUI. The EQ550 provides reciprocal equalization at 21 points in 5 steps of boost to a maximum of 15dB of gain at each point. The twenty one equalization points are divided into three overlapping ranges. The high and low frequency ranges are individually selectable as either peaking or shelving, and a band-pass filter may be inserted independently of all other selected equalization settings. Frequency ranges and boost/cut are selected by switches, and a pushbutton «IN» switch allows the EQ to be silently introduced to the signal path. A small toggle switch is used to insert the band-pass filter into the EQ550. The EQ550 extends the features of the original hardware and joins the flexibility of the digital world to the character of the analog processing. Allows you to choose between equalizer modes (Stereo, Mid, Side) and remove analogue saturation from the processing circuit to deliver pure digital sound. To use EQ550 as a plug-in, you need an AUv3-compatible host app like GarageBand, Auria, AUM, Cubasis and more — EQ550 will appear in the list of Audio Unit extensions for effect plug-ins in the host app.

About

YPA Control

Features
Read full description

YPA Control is the companion app for compatible YPA audio hardware, including YPA MicLink. Connect your device to configure microphone inputs, monitor levels, manage hardware settings, save presets, view device information, and install signed firmware updates. On iPhone, YPA Control communicates with compatible hardware over Bluetooth Low Energy. Audio remains on the YPA hardware and is not transmitted over Bluetooth. Features: - Configure input gain and channel controls - Enable supported hardware options such as 5V Bias, high-pass filtering, monitoring, and loopback - View live device status and metering - Save and recall presets - Identify the connected product, hardware revision, firmware version, protocol version, and serial number - Install compatible signed firmware updates with recovery support

Screenshots

EQ5504 screens
YPA Control4 screens

Verdict

The call

The clearest difference is in-app purchases: YPA Control at none against EQ550's 1. EQ550's advantage is iOS requirement (10.0 vs 13.0). 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. EQ550 sells 1 one-off in-app purchase. YPA Control asks for nothing beyond the download.

Scorecard2 real differences · 8 level
EQ550 versus YPA Control: the parameters behind the verdict, then further details
ParameterEQ550YPA Control
PriceFreeFree
Rating4.5 (11 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings11 — better—
Update frequencyMonthly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS10.0 — better13.0
Further details — not scored
Size20 MB17 MB
Age rating4+4+
DeveloperRRS, OOOYPA MICROPHONES INC

In-app purchases

1 purchases

EQ550

One-time1
  • RRS EQ550 Unlimited$4.99
None

YPA Control

No in-app purchases

Questions

Is EQ550 free?
EQ550 is free to download, with in-app purchases available.
Is YPA Control free?
YPA Control is free to download, with no in-app purchases.
Do EQ550 or YPA Control have ads?
Neither EQ550 nor YPA Control shows ads.

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