# Tuner vs TR

The clearest difference is update cadence: Tuner at every 4 weeks against TR's every 27 months. Tuner also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tuner ships an update every 4 weeks, TR every 27 months. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Tuner | TR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 27 months |
| Monetization | Free | — |
| Size | 4 MB | 28 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dongguan SNOW Mechanical & Electrical Technology Co., Ltd.](https://appshunter.io/developer/1327760084) | [NINGBO PEGASUS AUDIO CO.,LTD](https://appshunter.io/developer/1514713794) |

## 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


### TR

[App page](https://appshunter.io/ios/app/tr-plus/id1542897209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tuner free?

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

### Is TR free?

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

### Do Tuner or TR have ads?

Neither Tuner nor TR shows ads.

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

Tuner ships an update every 4 weeks, and TR every 27 months. Most recently, Tuner was updated on September 21, 2026 and TR on September 17, 2026.

---

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