# Tuner vs DUVOYA

The clearest difference is in-app purchases: Tuner at none against DUVOYA's 1. Tuner also leads on iOS requirement (9.0 vs 16.0). DUVOYA's advantage is update cadence (every 2 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. DUVOYA sells 1 one-off in-app purchase. Tuner asks for nothing beyond the download.

Tuner ships an update every 4 weeks, DUVOYA every 2 days. The most recent releases landed on October 8, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Tuner | DUVOYA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 4 MB | 6 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan SNOW Mechanical & Electrical Technology Co., Ltd.](https://appshunter.io/developer/1327760084) | [少康 张](https://appshunter.io/developer/6808076436) |

## What reviewers say

### Tuner

[App page](https://appshunter.io/ios/app/tuner/id1327760085)

This tool allows for the precise adjustment of car audio DSP amplifiers. It provides control over volume, EQ, delay, crossover, phase, and other functions to customize sound effects for each amplifier.

**Highlights:** Volume control, EQ adjustment, Delay settings, Crossover management, Phase control, Custom sound effects

**Features:** macOS Compatibility

**In-app purchases:** none


### DUVOYA

[App page](https://appshunter.io/ios/app/duvoya/id6808112408)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DUVOYA 永久专业版 | $2.99 | one-time |


## Frequently asked questions

### Is Tuner free?

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

### Is DUVOYA free?

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

### Do Tuner or DUVOYA have ads?

Neither Tuner nor DUVOYA shows ads.

### Which is updated more often, Tuner or DUVOYA?

Tuner ships an update every 4 weeks, and DUVOYA every 2 days. Most recently, Tuner was updated on October 8, 2026 and DUVOYA on October 20, 2026.

---

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