# On vs Tracebook

The clearest difference is in-app purchases: Tracebook at none against On's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. On sells 2 one-off in-app purchases. Tracebook asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on July 8, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | On | Tracebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/on-axis/id6446842774/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 3 MB |
| Requires iOS | 17 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OK-Sound](https://appshunter.io/developer/1679335942) | [Marcus Painter](https://appshunter.io/developer/998530071) |

## What reviewers say

### On

[App page](https://appshunter.io/ios/app/on-axis/id6446842774)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| Unlock App | $149.99 | one-time |


### Tracebook

[App page](https://appshunter.io/ios/app/tracebook-speaker-reference/id6474818065)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is On free?

On is free to download, with in-app purchases available.

### Is Tracebook free?

Tracebook is free to download, with no in-app purchases.

### Do On or Tracebook have ads?

Neither On nor Tracebook shows ads.

### Which is updated more often, On or Tracebook?

On ships an update every 3 weeks, and Tracebook every 3 weeks. Most recently, On was updated on July 8, 2026 and Tracebook on September 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*