# PREAMP X7 vs Equalizer

The clearest difference is rating: Equalizer at 4.3 against PREAMP X7's 1.0. Equalizer also leads on ratings volume (6.5K vs 1) and update cadence (every 3 months vs every 9 months). PREAMP X7's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Equalizer sells 7 in-app purchases, starting at $5.99 per 7 days. PREAMP X7 asks for nothing beyond the download.

Equalizer holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Equalizer has 6.5K ratings behind it against 1, so its average is the more settled of the two.

PREAMP X7 ships an update every 9 months, Equalizer every 3 months. The most recent releases landed on June 24, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PREAMP X7 | Equalizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/preamp-x7/id1472308983/reviews) | **[4.3 (6.5K ratings)](https://appshunter.io/ios/app/equalizer-volume-booster-eq/id1550086698/reviews)** |
| Number of ratings | 1 | **6.5K** |
| Positive reviews | — | 15.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 185 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen MOOER Audio Co., Ltd](https://appshunter.io/developer/1384361853) | [Gismart Limited](https://appshunter.io/developer/1550086700) |

## What reviewers say

### PREAMP X7

[App page](https://appshunter.io/ios/app/preamp-x7/id1472308983)

This karaoke effects processor offers independent control over various audio parameters. It features dual DSP processors, multiple input options including Bluetooth, and advanced microphone and output channel adjustments. Save and manage up to 20 presets for a customized audio experience.

**Highlights:** Dual DSP processors, Bluetooth audio playback and control, Independent audio input channels, 15-band EQ for microphone input, Compression and delay effects, 20 programmable preset slots, Computer software editor

**Features:** macOS Compatibility

**In-app purchases:** none


### Equalizer

[App page](https://appshunter.io/ios/app/equalizer-volume-booster-eq/id1550086698)

Enhance your music listening experience with advanced audio controls. Adjust bass, volume, and frequency with various presets and effects. Access your music library and enjoy immersive sound.

**Highlights:** EQ Presets, Volume Maximizer, Frequency Equalizer, Spatial Audio, Pitch/Time Effect, iTunes & DropBox Integration

**Features:** Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Equalizer Premium Weekly | $5.99 | per 7 days |
| Equalizer Premium access | $7.99 | per 7 days |
| Music One | $9.99 | per 7 days |
| Equalizer Premium access | $14.99 | per month |
| Full Access to Pro Features | $19.99 | per 3 months |
| Equalizer Premium access | $24.99 | per year |
| Equalizer Premium access | $34.99 | per year |

**What reviewers like**

- 🎶 Good sound quality
- 🔊 Enhances audio experience
- 👍 Interesting and clever features

**What reviewers complain about**

- 💰 Expensive subscription fees
- 🚫 Limited functionality without subscription
- 🤔 Misleading free trial and pricing information
- 🔒 Restricted access to personal music libraries
- 🐛 Crashes and bugs

**Reported bugs**

- Crashes frequently
- Inability to save or export edited audio
- Incompatibility with certain music libraries and streaming services

**Requested features**

- Ability to use equalizer with all audio apps, not just in-app music player
- Support for more music streaming services like Spotify
- Option to purchase a one-time license instead of subscription


## Frequently asked questions

### Is PREAMP X7 free?

PREAMP X7 is free to download, with no in-app purchases.

### Is Equalizer free?

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

### Which has better reviews, PREAMP X7 or Equalizer?

Equalizer is rated higher. PREAMP X7 averages 1.0 out of 5 from 1 ratings, while Equalizer averages 4.3 from 6.5K ratings.

### Do PREAMP X7 or Equalizer have ads?

Equalizer shows ads; PREAMP X7 does not.

### Which is updated more often, PREAMP X7 or Equalizer?

PREAMP X7 ships an update every 9 months, and Equalizer every 3 months. Most recently, PREAMP X7 was updated on June 24, 2026 and Equalizer on September 24, 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.*