# Trapp vs Bass Booster EQ + Volume Boost

The clearest difference is monetization model: Trapp at free with in-app purchases against Bass Booster EQ + Volume Boost's subscription. Trapp also leads on device support (3 vs 1) and iOS requirement (9.3 vs 16.0). Bass Booster EQ + Volume Boost's advantage is update cadence (every 6 weeks vs every 6 months) and ratings volume (20K vs 3.9K). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Trapp sells 3 in-app purchases, starting at $3.99 per month and Bass Booster EQ + Volume Boost sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.2 for Trapp against 4.2 for Bass Booster EQ + Volume Boost. That said, the two scores are not equally well evidenced: Bass Booster EQ + Volume Boost has 20K ratings behind it against 3.9K, so its average is the more settled of the two. Written reviews are what separate them: 21% of Trapp's written reviews are positive against 29% of Bass Booster EQ + Volume Boost's.

Trapp ships an update every 6 months, Bass Booster EQ + Volume Boost every 6 weeks. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Trapp | Bass Booster EQ + Volume Boost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (3.9K ratings)](https://appshunter.io/ios/app/trapp-music-visualizer/id1447118917/reviews)** | [4.2 (20K ratings)](https://appshunter.io/ios/app/bass-booster-eq-plus-volume-boost/id1484073254/reviews) |
| Number of ratings | 3.9K | **20K** |
| Positive reviews | 20.9% of reviews | **29.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 84 MB | 46 MB |
| Requires iOS | **9.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dakyuz Yazilim Ticaret Limited Sirketi](https://appshunter.io/developer/1030310836) | [Plane Cubes](https://appshunter.io/developer/1712487303) |

## What reviewers say

### Trapp

[App page](https://appshunter.io/ios/app/trapp-music-visualizer/id1447118917)

Create dynamic music visualizations with customizable backgrounds, shapes, particles, and sound bars. Sync with your music library and record your creations to share.

**Highlights:** Customizable backgrounds and colors, Customizable Trapp shapes, sizes, and colors, Customizable particle effects, Customizable sound bars and bass effects, Record and share visualizations, Spotify and device music app integration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trapp Monthly Subscription | $3.99 | per month |
| Trapp 3 Months | $9.99 | per 3 months |
| Trapp Yearly | $23.99 | per year |

**What reviewers like**

- 👍 Visualizes music well
- 🚀 Responsive and smooth
- 💡 Customizable visualizations

**What reviewers complain about**

- 🔒 Requires subscription to access full features
- 🐛 Frequent crashes and glitches
- 🔋 Drains battery quickly
- 🚫 Cannot import custom audio files

**Reported bugs**

- Visualizations not working as expected
- App crashes when trying to create new projects
- Audio playback issues

**Requested features**

- Allow importing of custom audio files
- Add ability to save and export visualizations
- Improve performance and stability


### Bass Booster EQ + Volume Boost

[App page](https://appshunter.io/ios/app/bass-booster-eq-plus-volume-boost/id1484073254)

Enhance your music with powerful bass boosting and volume amplification. This app features a full-range equalizer, custom presets, and offline playback from your library or cloud storage.

**Highlights:** Deep Bass Booster, Volume Amplifier x10, Full Range Equalizer, Custom Presets, Offline Music Playback, Cloud Music Access, HD Surround Audio

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bass Booster Equalizer Pro Week | $4.99 | per 7 days |
| Bass Booster Premium Equalizer | $4.99 | per 7 days |
| Bass Booster 3D Premium Equalizer | $4.99 | per 7 days |
| Bass Booster Premium Equalizer | $19.99 | per year |
| Bass Booster 3D Premium Equalizer | $19.99 | per year |
| Bass Booster Equalizer Pro Year | $39.99 | per year |

**What reviewers like**

- 🚀 Superbly engineered
- 👍 Enhances music listening experience
- 🎧 Works well with headphones
- 🔊 Boosts audio quality

**What reviewers complain about**

- 💰 Expensive subscription model
- 🔒 Limited functionality without premium
- 🐛 Crashes and performance issues
- 🔀 Playlist and song order problems
- 🔍 Doesn't work with all music sources

**Reported bugs**

- App doesn't load user's full music library
- Equalizer controls don't work as expected
- Playback issues and song skipping
- Inability to sign out of connected accounts

**Requested features**

- Allow full access to music library
- Improve playlist management
- Add more EQ and sound customization options
- Provide a one-time purchase option


## Frequently asked questions

### Is Trapp free?

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

### Is Bass Booster EQ + Volume Boost free?

Bass Booster EQ + Volume Boost is free to download, with in-app purchases available.

### Which has better reviews, Trapp or Bass Booster EQ + Volume Boost?

Trapp is rated higher. Trapp averages 4.2 out of 5 from 3.9K ratings, while Bass Booster EQ + Volume Boost averages 4.2 from 20K ratings.

### Do Trapp or Bass Booster EQ + Volume Boost have ads?

Neither Trapp nor Bass Booster EQ + Volume Boost shows ads.

### Which is updated more often, Trapp or Bass Booster EQ + Volume Boost?

Trapp ships an update every 6 months, and Bass Booster EQ + Volume Boost every 6 weeks. Most recently, Trapp was updated on November 2, 2026 and Bass Booster EQ + Volume Boost on November 6, 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.*