# SubQuit vs SignalProof

The clearest difference is in-app purchases: SignalProof at none against SubQuit's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SubQuit sells 3 in-app purchases, starting at $2.99 per month. SignalProof asks for nothing beyond the download.

## The numbers

| Metric | SubQuit | SignalProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signalproof-tone-generator/id6785174973/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 7 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [贺 周](https://appshunter.io/developer/1815397078) | [Borealbit Technology Limited](https://appshunter.io/developer/1808424081) |

## What reviewers say

### SubQuit

[App page](https://appshunter.io/ios/app/subquit/id6765829919)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubQuit Premium Monthly | $2.99 | per month |
| SubQuit Premium Yearly | $14.99 | per year |
| SubQuit Lifetime | $29.99 | one-time |


### SignalProof

[App page](https://appshunter.io/ios/app/signalproof-tone-generator/id6785174973)

Generate controlled audio signals for repeatable speaker, room, and sound meter checks. Save setups and results for easy comparison. Ideal for practical audio testing without ads or accounts.

**Highlights:** Sine tones and noise generation, Frequency sweeps, Left, right, or stereo output, dBFS level control, Save test sessions and presets, Export PDF reports, Local-first design, no account needed

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

**In-app purchases:** none


## Frequently asked questions

### Is SubQuit free?

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

### Is SignalProof free?

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

### Do SubQuit or SignalProof have ads?

Neither SubQuit nor SignalProof shows ads.

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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.*