Comparison

On vs Stage Builder X

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

Head to head
About

On

This utility app helps audio professionals quickly measure and model audience areas for event and touring setups. It offers a streamlined workflow compatible with popular loudspeaker simulation programs, speeding up the design process. Users can create 3D models of listening areas and generate profiles along speaker axes.

Highlights
  • Audience area measurement
  • 3D listening area modeling
  • Speaker axis profiling
  • Bluetooth laser distance finder integration
  • Export to loudspeaker simulation software
  • 14-day free trial
Features
Read full description

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

About

Stage Builder X

Features
Read full description

Stage builder and planer that can be used to get a complete breakdown of parts and platforms. the app uses the (4-2-2-1 principle) for leg placement. Design can be saved and shared with others.

Screenshots

On4 screens
Stage Builder X4 screens

Verdict

The call

The clearest difference is price: On at Free against Stage Builder X's $19.99. Stage Builder X's advantage is in-app purchases (none vs 2) and iOS requirement (15.1 vs 17). 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

CostPrice · In-app purchases · Ads · Monetization

On is free to download; Stage Builder X costs $19.99 up front. On sells 2 one-off in-app purchases. Stage Builder X asks for nothing beyond the download.

UpkeepUpdate frequency

On ships an update every 3 weeks, Stage Builder X every 11 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 6 level
On versus Stage Builder X: the parameters behind the verdict, then further details
ParameterOnStage Builder X
PriceFree — better$19.99
Rating5.0 (7 ratings) — better—
Number of ratings7 — better—
Update frequencyEvery 3 weeksEvery 11 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS1715.1 — better
Further details — not scored
Size20 MB36 MB
Age rating4+4+
DeveloperOK-SoundSTURE MOSLAATTEN

In-app purchases

2 purchases

On

One-time2
  • 14-day TrialFree
  • Unlock App$149.99
None

Stage Builder X

No in-app purchases

Questions

Is On free?
On is free to download, with in-app purchases available.
Is Stage Builder X free?
Stage Builder X costs $19.99, with no in-app purchases.
Do On or Stage Builder X have ads?
Neither On nor Stage Builder X shows ads.
Which is updated more often, On or Stage Builder X?
On ships an update every 3 weeks, and Stage Builder X every 11 days. Most recently, On was updated on November 3, 2026 and Stage Builder X on October 28, 2026.

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