# LF vs Speaker Booster

The clearest difference is update cadence: Speaker Booster at fortnightly against LF's every 3 months. LF's advantage is iOS requirement (13.0 vs 15.0). 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.

LF ships an update every 3 months, Speaker Booster fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LF | Speaker Booster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/speaker-booster-ampcrank/id6793427937/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 27 MB | 14 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Yuexin Sound Technology Co., Ltd](https://appshunter.io/developer/1833380008) | [明航 李](https://appshunter.io/developer/1823569127) |

## What reviewers say

### LF

[App page](https://appshunter.io/ios/app/lf/id6756494549)

**Features:** macOS Compatibility

**In-app purchases:** none


### Speaker Booster

[App page](https://appshunter.io/ios/app/speaker-booster-ampcrank/id6793427937)

Enhance the volume and clarity of your imported audio files, including music, podcasts, and recordings. Features a powerful equalizer with presets for different audio types and a digital gain of up to +24 dB. Enjoy background playback with lock screen controls.

**Highlights:** Volume boost up to +24 dB, Built-in limiter for distortion-free audio, Live level meter and spectrum animation, Vocal, Bass, and Podcast EQ presets, 10-band manual equalizer with custom presets, Import MP3, WAV, M4A, FLAC, AAC, Extract audio from MP4 videos, Background playback with lock screen controls

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

**In-app purchases:** none


## Frequently asked questions

### Is LF free?

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

### Is Speaker Booster free?

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

### Do LF or Speaker Booster have ads?

Neither LF nor Speaker Booster shows ads.

### Which is updated more often, LF or Speaker Booster?

LF ships an update every 3 months, and Speaker Booster fortnightly. Most recently, LF was updated on November 5, 2026 and Speaker Booster on October 31, 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.*