# Tone Generator vs o46scope

The clearest difference is in-app purchases: Tone Generator at none against o46scope's 1. Tone Generator also leads on update cadence (every 2 weeks vs every 6 weeks). o46scope's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. o46scope sells 1 in-app purchase, starting at $19.99 per year. Tone Generator asks for nothing beyond the download.

Tone Generator ships an update every 2 weeks, o46scope every 6 weeks. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Tone Generator | o46scope |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 5 MB | 53 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eiji Chiba](https://appshunter.io/developer/1818574673) | [Shinsuke Tsutsui](https://appshunter.io/developer/1707110915) |

## What reviewers say

### Tone Generator

[App page](https://appshunter.io/ios/app/tone-generator/id6746802859)

**Features:** macOS Compatibility

**In-app purchases:** none


### o46scope

[App page](https://appshunter.io/ios/app/o46scope/id6754371407)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | per year |


## Frequently asked questions

### Is Tone Generator free?

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

### Is o46scope free?

o46scope is free to download, with in-app purchases available.

### Do Tone Generator or o46scope have ads?

Tone Generator shows ads; o46scope does not.

### Which is updated more often, Tone Generator or o46scope?

Tone Generator ships an update every 2 weeks, and o46scope every 6 weeks. Most recently, Tone Generator was updated on September 11, 2026 and o46scope on September 10, 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.*