# Tuner vs Marshall・Bluetooth Connect

The clearest difference is review sentiment: Marshall・Bluetooth Connect at 67% against Tuner's 0%. Tuner's advantage is in-app purchases (none vs 9) and update cadence (every 4 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Marshall・Bluetooth Connect sells 9 in-app purchases, starting at $5.99 per 7 days. Tuner asks for nothing beyond the download.

Tuner ships an update every 4 weeks, Marshall・Bluetooth Connect every 2 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Tuner | Marshall・Bluetooth Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (25 ratings)](https://appshunter.io/ios/app/marshallbluetooth-connect/id6754452970/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 79 MB |
| Requires iOS | **9.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan SNOW Mechanical & Electrical Technology Co., Ltd.](https://appshunter.io/developer/1327760084) | [Stefan Lozan](https://appshunter.io/developer/1848333375) |

## 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


### Marshall・Bluetooth Connect

[App page](https://appshunter.io/ios/app/marshallbluetooth-connect/id6754452970)

Customize your audio experience by controlling speakers and headphones. Adjust volume, fine-tune sound with an equalizer, and switch between multiple devices. Offers noise control features for supported headphones.

**Highlights:** Customize EQ settings, Adjust volume and playback, Control multiple audio devices, Access noise control, Intuitive interface, Firmware updates

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Connect Device・Control Sound | $5.99 | per 7 days |
| Connect Device・Control Sound | $6.99 | per 7 days |
| Connect Device・Control Sound | $6.99 | per 7 days |
| Connect Device・Control Sound | $7.99 | per 7 days |
| Connect Device・Control Sound | $9.99 | per 7 days |
| Connect Device・Control Sound | $19.99 | per month |
| Connect Device・Control Sound | $29.99 | per month |
| Connect Device・Control Sound | $39.99 | per year |
| Connect Device・Control Sound | $49.99 | per year |


## Frequently asked questions

### Is Tuner free?

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

### Is Marshall・Bluetooth Connect free?

Marshall・Bluetooth Connect is free to download, with in-app purchases available.

### Do Tuner or Marshall・Bluetooth Connect have ads?

Neither Tuner nor Marshall・Bluetooth Connect shows ads.

### Which is updated more often, Tuner or Marshall・Bluetooth Connect?

Tuner ships an update every 4 weeks, and Marshall・Bluetooth Connect every 2 months. Most recently, Tuner was updated on September 21, 2026 and Marshall・Bluetooth Connect on September 23, 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.*