About HouseCurve
HouseCurve is a multi-tool for audio systems. Use it for room correction, adjusting equalizers, setting subwoofer phase, choosing crossovers and more. Features: * Sine sweep and real time pink noise measurements * Sweep...
HouseCurve is a multi-tool for audio systems. Use it for room correction, adjusting equalizers, setting subwoofer phase, choosing crossovers and more. Features: * Sine sweep and real time pink noise measurements * Sweep measurements can be averaged as they are collected * Alternatively, use real time tool to collect moving mic measurements (MMM) * Compare measurements to a selected target curve * Create and edit target curves * Generate room correction filters (PEQ or FIR) * Filters compatible with a variety of systems including Roon, Volumio, CamillaDSP, EqualizerAPO, miniDSP and Crestron DM NAX * Display magnitude, phase and group delay * Use with built-in or external microphones * Connect with AirPlay, Bluetooth, headphone jack (analog) or use external stimulus HouseCurve measures in-room frequency response by listening to your audio system play a sine sweep. Measurements are displayed on top of a target curve, making it easy to see where adjustment is needed. Multiple measurements can be averaged to fully capture how the system sounds in the listening area. With small changes and repeat measurements, you can manually tune your system to the target curve. If your audio system has a parametric equalizer or convolution engine, HouseCurve can automatically generate filter settings to match the target curve. HouseCurve can help with home and car audio system tuning, from system equalization and room correction to subwoofer time alignment and speaker placement. Visit housecurve.com for more information on how HouseCurve works and how to use it. HouseCurve will produce acceptable results with the built in iPhone/iPad microphone. Using calibrated external microphones will provide higher accuracy. The free version of HouseCurve can measure your audio system and display a magnitude plot (aka "frequency response"). Additional features, such as room correction filter generation, advanced measurement tools and target curve editing can be obtained via in-app purchases.
Previous Versions
Here you can find the changelog of HouseCurve since it was posted on our website on 2022-05-10 02:11:46.
The latest version is 6.0.2 and it was updated on 2026-06-11 01:08:11. See below the changes in each version.
HouseCurve version 6.0.2
Updated At: 2026-06-11
Changes: Version History * Fixed issue where Sweep measurements were low quality when using older test signal files. If you are using a test signal from v6.0 - 6.0.1, please export a fresh file to avoid low quality measurements.
* Fixed issue where Sweep measure button did not update when enabling external stimulus. 6.0.2 12/06/2025 * Fixed issue where re-sampled FIR filters had slightly different magnitude responses (thanks to Kenneth for reporting this :-) 6.0.1 11/30/2025 HouseCurve 6.0 adds a real time measurement tool. Use it to live tune graphic equalizers and subwoofers or capture moving mic measurements (MMM) for use with the Equalize tool.
Additional changes:
* Improved menu system makes better use of screen space on iPads.
* Measurement data files are now accessible via the app document folder. Users can copy measurement files to other devices or back them up.
* Measurement management moved to a separate tool. This lays the ground work for a nicer view / compare features in the future.
* The Tuning Bundle can now be purchased for one year (non-renewing subscription) or a lifetime unlock. Existing purchases are all considered lifetime unlocks - thank you for your support! 6.0 11/20/2025 * This release adds some anonymous metric collection to help improve features and debug issues. Thanks to all the users that have provided suggestions and feedback over the years, I really appreciate it :-) 5.3.1 09/17/2025 * Equalize Tool can now export room correction filters to Crestron DM NAX audio systems 5.3.0 07/29/2025 * Fixed issue where measurements were inaccurate above 2 KHz (this was introduced in the 5.2.2 update last week) 5.2.3 05/26/2025 * Fixed issue where some users could not restore purchase from app store 5.2.2 05/20/2025 * Fixed issue in iOS 18.x where HouseCurve is unable to measure after taking over an AirPlay connection. 5.2.1 11/12/2024 * Equalize Tool can now use shelf filters when generating PEQ based corrections. In some cases this can produce better corrections with fewer filters.
* Equalize Tool displays the maximum boost applied by the correction. This can be used on systems that require headroom adjustment after applying EQ (ex: Roon)
* Measurement sweep fades in more gently to be kind to audio systems without infrasonic filters.
* Fixed an issue where measurement export could occasionally crash the app. 5.2.0 10/27/2024 * Fixed issue where help screen would not display housecurve.com website 5.1.3 04/07/2024 * Fixed issue where PEQ filters may not be generated when "allow only cuts" was enabled.
* Fixed issue where exported impulse may not match measurement.
* Updated microphone compensation for devices supported by iOS 16.x.
* A warning appears when connecting to an audio system and iPhone / iPad device volume is high (this can be disabled).
* Connection prompt remains hidden if active measurements are present.
* Help screen has a link to HouseCurve facebook group. 5.1.2 04/05/2024 * Fixed issue where PEQ filters could not be generated when the frequency range was narrow.
* Added support for comma separated calibration file (ex: Audio Frog mics).
* Minor visual tweaks. 5.1.1 02/19/2024 * Equalize Tool can generate FIR filters for high fidelity room correction. FIR filters are compatible with Roon, HQPlayer, Volumio, CamillaDSP, etc.
* Produce "cut only" filters for improved gain management
* Set maximum Q for PEQ based room correction
* Improvements for manual target curve fitting 5.1.0 11/19/2023 HouseCurve is now free
* Free version is perfect for quick frequency response measurements of your audio system
* Additional features, such as room correction filter generation, advanced measurement tools and target curve editing can be obtained via in-app purchases. 5.0.0 07/30/2023 * Choose which internal iPhone / iPad microphone is used for measurements.
* Internal microphone can be used even when an external input is detected. This is useful when connecting to USB devices (ex: DACs) that appear as input and output to the iPhone / iPad.
* Input status shows USB microphone names when available.
* Fixed issue where curve source editor would not properly scroll when keyboard was active. 4.2.0 06/04/2023 * Reduced chance of measurement failure in rooms with a lot of reverb. 4.1.2 04/25/2023 * Fixed issue where stimulus type and delay setting would not persist between sessions. 4.1.1 04/07/2023 * Saved measurements can be exported as impulse responses (.wav) for use in other tools.
* Equalize tool can export filters for all sample rates at once
* Equalize tool generates filter impulse responses that are 500ms long (significantly fewer samples than previous version)
* Miscellaneous UI tweaks 4.1.0 04/03/2023 HouseCurve-4.0 adds the ability to edit target curves by dragging and dropping points or directly editing the curve file. HouseCurve ships with two classic target curves: B&K and Harman. For additional curves, please visit housecurve.com
Additional changes:
* Improved target curve automatic fit
* Export room correction filters with sample rates of 176.4 and 192 KHz
* Better handling of large / accessibility fonts
* Corrected issue where measurements would not save 4.0.0 02/05/2023 * Minor cosmetic tweaks to UI 3.1.1 09/09/2022 * Equalize tool can export filter impulse response for convolution based room correction (ex: Roon, CamillaDSP) 3.1.0 08/20/2022 * Fixed issue where equalization target curve was not auto-fitting correctly in some situations 3.0.1 08/13/2022 HouseCurve-3.0 adds automatic equalization / room correction for parametric equalizers. Just measure, choose a target curve and export the filter settings. For more information, https://housecurve.com/TUNING.html
Additional changes:
* Interface streamlined for faster setting access and new tools like equalization.
* Features renamed to more common terms (ex: reference curve -> target curve).
* Fixed issue where sharing an AirPlay connection with another app could cause HouseCurve to terminate unexpectedly 3.0.0 06/20/2022 * Added more links to help page, minor UI tweaks 2.1.3 01/23/2022 * Fixed issue where stereo usb input channels could not be measured 2.1.2 12/11/2021
HouseCurve version 6.0.2
Updated At: 2025-12-06
Changes: * Fixed issue where Sweep measurements were low quality when using older test signal files. If you are using a test signal from v6.0 - 6.0.1, please export a fresh file to avoid low quality measurements.
* Fixed issue where Sweep measure button did not update when enabling external stimulus.
HouseCurve version 5.3.1
Updated At: 2025-09-17
Changes: Sep 17, 2025
Version 5.3.1
* This release adds some anonymous metric collection to help improve features and debug issues. Thanks to all the users that have provided suggestions and feedback over the years, I really appreciate it :-)
HouseCurve version 5.2.3
Updated At: 2025-05-26
Changes: May 26, 2025
Version 5.2.3
* Fixed issue where measurements were inaccurate above 2 KHz (this was introduced in the 5.2.2 update last week)
HouseCurve version 5.2.1
Updated At: 2024-11-12
Changes: Nov 12, 2024
Version 5.2.1
* Fixed issue in iOS 18.x where HouseCurve is unable to measure after taking over an AirPlay connection.
HouseCurve version 5.1.3
Updated At: 2024-04-07
Changes: Apr 7, 2024
Version 5.1.3
* Fixed issue where help screen would not display housecurve.com website
HouseCurve version 5.1.1
Updated At: 2024-02-19
Changes: Feb 19, 2024
Version 5.1.1
* Fixed issue where PEQ filters could not be generated when the frequency range was narrow.
* Added support for comma separated calibration file (ex: Audio Frog mics).
* Minor visual tweaks.
HouseCurve version 5.1.0
Updated At: 2023-11-19
Changes: Nov 19, 2023
Version 5.1.0
* Equalize Tool can generate FIR filters for high fidelity room correction. FIR filters are compatible with Roon, HQPlayer, Volumio, CamillaDSP, etc.
* Produce "cut only" filters for improved gain management
* Set maximum Q for PEQ based room correction
* Improvements for manual target curve fitting
HouseCurve version 5.0.0
Updated At: 2023-07-30
Changes: Jul 30, 2023
Version 5.0.0
HouseCurve is now free
* Free version is perfect for quick frequency response measurements of your audio system
* Additional features, such as room correction filter generation, advanced measurement tools and target curve editing can be obtained via in-app purchases.
HouseCurve version 4.2.0
Updated At: 2023-06-04
Changes: Jun 4, 2023
Version 4.2.0
* Choose which internal iPhone / iPad microphone is used for measurements.
* Internal microphone can be used even when an external input is detected. This is useful when connecting to USB devices (ex: DACs) that appear as input and output to the iPhone / iPad.
* Input status shows USB microphone names when available.
* Fixed issue where curve source editor would not properly scroll when keyboard was active.
Disclaimer
Official App Store Link
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