# Tuning Fork Studio vs Doru Self Custody Wallet

The clearest difference is in-app purchases: Doru Self Custody Wallet at none against Tuning Fork Studio's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tuning Fork Studio sells 3 in-app purchases, starting at $0.99 per month. Doru Self Custody Wallet asks for nothing beyond the download.

## The numbers

| Metric | Tuning Fork Studio | Doru Self Custody Wallet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tuning-fork-studio/id6751743458/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Freemium | — |
| Size | 35 MB | 30 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [丽俨 龚](https://appshunter.io/developer/1816613061) | [Doru self custodain wallet](https://appshunter.io/developer/1896745213) |

## What reviewers say

### Tuning Fork Studio

[App page](https://appshunter.io/ios/app/tuning-fork-studio/id6751743458)

Generate fundamental audio waveforms like sine, square, triangle, and sawtooth with precise control over frequency, amplitude, phase, and harmonics. Export high-quality audio for music production, sound design, and acoustic testing.

**Highlights:** Sine, square, triangle, sawtooth wave generation, Precise frequency control (A4 standard, custom Hz), Amplitude, phase, and multi-harmonic overlay, Real-time complex sound synthesis, High-quality audio export, Music production and sound design tool

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $5.99 | per year |
| Lifetime | $9.99 | one-time |


### Doru Self Custody Wallet

[App page](https://appshunter.io/ios/app/doru-self-custody-wallet/id6770466329)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tuning Fork Studio free?

Tuning Fork Studio is free to download, with in-app purchases available.

### Is Doru Self Custody Wallet free?

Doru Self Custody Wallet is free to download, with no in-app purchases.

### Do Tuning Fork Studio or Doru Self Custody Wallet have ads?

Neither Tuning Fork Studio nor Doru Self Custody Wallet 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.*