# On-Axis — Discover your audience area > Measure and model event audience areas for audio professionals. (iPhone/iPad app by OK-Sound.) - Source: https://appshunter.io/ios/app/on-axis/id6446842774 (this page in markdown: same URL + `.md`) - Developer: [OK-Sound](https://appshunter.io/developer/1679335942) - Category: Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 6 App Store ratings - Age rating: 4+ - Requires: iOS 17 · 20 MB - Languages: American English - Released: 2023-09-10 - Data updated: 2026-07-08 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/on-axis/id6446842774/reviews.md ## What is On? THE APP Introducing On-Axis: The must-have app for audio professionals in the event and touring industry! Measure and model your audience area with a completely new method compatible with many popular loudspeaker simulation programs. The On-Axis method significantly speeds up the measurement of the audience area, allowing you to focus on the most important thing, making the actual speaker design. WORKFLOW The On-Axis workflow begins by taking measurements of the audience area with the app. The On-Axis exports a file that can be imported into the selected loudspeaker simulation software. The On-Axis does not replace traditional methods such as CAD drawings or other precise models. It is a new addition to your existing toolbox. MODES The app consists of three different operating modes. Venue and Planes mode can be used to draw a 3D model of the listening area. The On-Axis Profile mode can be used to draw a uniform plane to the speaker’s axis, starting from the speaker’s rigging point and ending at the farthest point of the audience area. BLUETOOTH SUPPORT The app can be paired with a compatible laser distance finder via Bluetooth. This enables the measured distance and angle to be transferred wirelessly. See the compatibility chart for more info on supported devices. TO GET STARTED Watch the tutorial videos to get started: http://link.oksound.fi/playlist The app is free to download but requires an In-App-Purchase to unlock the export, save and open functions. A 14-day free full trial is also available to see if this tool fits your workflow.  This is a 3rd party solution and compatibility with simulation software is guaranteed only with tested versions. Check the website for more information and compatibility: https://onaxisapp.com or https://oksound.fi ## Key features - Audience area measurement - 3D listening area modeling - Speaker axis profiling - Bluetooth laser distance finder integration - Export to loudspeaker simulation software - 14-day free trial ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 14-day Trial | Free | one-time | | Unlock App | $149.99 | one-time | ## Frequently asked questions about On ### Does On-Axis have ads? On-Axis does not contain advertisements. The app is free to download, with optional in-app purchases to unlock full functionality. ### What is the On-Axis export format? On-Axis exports a file that can be imported into selected loudspeaker simulation software. Specific compatibility details can be found on the developer's website. ### How does On-Axis compare to traditional methods? On-Axis is a new addition to existing toolboxes and does not replace traditional methods like CAD drawings or precise models. It significantly speeds up the measurement of the audience area. ### What devices is On-Axis compatible with? On-Axis is available for iPhone and iPad devices. It requires iOS 4+ and is designed for a 4+ age rating. ### How often is On-Axis updated? The latest version of On-Axis is 1.4.3, last updated on March 8, 2026. This indicates a consistent update schedule for the application. ### Can I try On-Axis before buying? Yes, On-Axis offers a 14-day free full trial. This trial allows users to test the export, save, and open functions before committing to an in-app purchase. ### What is the user sentiment for On-Axis? On-Axis has received a 5.0-star rating from 6 reviews, indicating very positive user sentiment. Users appreciate its functionality and ease of use. ### Does On-Axis support external devices? Yes, On-Axis supports pairing with compatible laser distance finders via Bluetooth. This allows for wireless transfer of measured distance and angle data. ## Version history (last 5 releases) ### 1.4.3 — 2026-03-08 - New mode "Sensors" added. Now you can utilize the device's internal sensors (iOS only). Free for all users regardless of license. - The application will no longer remind you every time you open it that a new version is available. From now on, the reminder will be given less frequently. - MAPP 3D export related bug fixed. - Preview related bug fixed. - Keyboard related bug fixed. - Bug fixed where app crashed in certain devices when trying to access profile measurement page. ### 1.4.1 — 2025-10-01 - New Export Format: RCF / TT+ RDShape - The limit of 12 measurement target points has been removed. - You can now rearrange measurement points by dragging. - On-Axis Profile mode has been redesigned. The limit of 12 profiles has been removed, now you can add as many as you want. Edit All button added to allow you to program parameters for all profiles directly from the main page. Splitting a mirrored profile into two separate ones is now possible. It is possible to directly enter the values ​​of the back wall at the end of the measurement table, this can be activated in the program settings. - Planes mode has been redesigned. The limit in plane amount has beem removed, now you can add as many as you want. Edit All button added. - When exporting on macOS, a ”save as” dialog box now opens instead of the iOS style share sheet. - GUI Improvements - Bug Fixes ### 1.4.0 — 2025-07-01 - Arena Corner shape can now be customized. The shape of the corners can be chosen from three predefined options. This, combined with the manual width of the profile, allows for a variety of new shapes. - Width for Arena profiles can be set manually. By default, the width of the profile is calculated automatically from the floor shape, but now it is also possible to set it manually, and the front and back widths can be set separately. - Arena includes now Plane Editor. In the editor menu you can choose which prediction planes or areas the exported file contains. - Arena can be forced to be symmetrical. An arena measured as asymmetrical can now be exported as symmetrical according to the higher side if needed, can be found from the plane editor menu. - Added support for Laser Tech TruPulse 200i rangefinder - Target point view improved. Target point view in profile measurement page can be tapped for larger view which has also a new ruler tool. - Added parameter for corner resolution. - Reset button improved. Long pressing the reset button in venue edit page offers now options for partial reset - Hardware support Leica X6 support tested and confirmed. - Adamson AI is now tested and confirmed to work. - Bug Fixes ### 1.3.1 — 2025-01-03 - New Export Format: DAE (Digital Asset Exchange file). Can be used for example with Electro Voice Preview and Fohhn Designer. - New Export Format: Outline Open Array - New Export Format: Danley Direct. Supports geometry import, user needs to draw listening areas manually. - Algorithm improved in Arena model. Compensation button and overlap slider for the corners of the asymmetric Arena have been removed and are no longer needed. - General improvements - Bug Fixes ### 1.3.0 — 2024-11-20 - Basic model supports now Curved shape - Added support for Leica Rangemaster CRF Pro - On the profile measurement page, the target points can be unlinked from each other, so there is no plane drawn between them. (Activate measurement modifiers for this) - Formula mode added to the keyboard, which allows simple calculations in numeric fields. - Basic Venue supports now custom origin. - Angle degree can now be used in the basic model to measure the width of the venue. Now the iOS device's internal magnetometer (compass) can also be used. - Bluetooth laser measurement can now be triggered remotely from the application. This prevents the measuring device from shaking when taking the measurement. - Bluetooth laser can now also be used on almost all pages of the application. Bluetooth Tool selection is more or less redesigned. - The app manual has been rewritten in knowledge base format. See developer website. - General GUI improvements. For example, in Basic venue model. ”Front Row” parameter has now been renamed to ”Skip First Plane”. - Leica Bluetooth connection issues fixed and improved. - Bug fixed where app crashed in certain conditions where ”Report Problem” button was clicked ## Apps similar to On | App | Rating | Price | Category | | --- | --- | --- | --- | | [Omni Sub](https://appshunter.io/ios/app/omni-sub/id1524175030) | 3.7 (3) | $19.99 | Utilities | | [Tracebook - Speaker Reference](https://appshunter.io/ios/app/tracebook-speaker-reference/id6474818065) | — | Free | Utilities | | [ProVisionaire Portal](https://appshunter.io/ios/app/provisionaire-portal/id1658698233) | — | Free | Utilities | | [MeasureMate](https://appshunter.io/ios/app/measuremate/id6449699394) | — | Free | Utilities | | [Astral Remote](https://appshunter.io/ios/app/astral-remote/id1566913664) | 3.5 (6) | Free | Utilities | | [SYS Control](https://appshunter.io/ios/app/sys-control/id1532236321) | 1.0 (1) | Free | Utilities | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-08.*