# Evil Otto vs LUFS SLIDER

The clearest difference is review sentiment: Evil Otto at 50% against LUFS SLIDER's 0%. Evil Otto also leads on iOS requirement (12.0 vs 26.5). LUFS SLIDER's advantage is price ($0.49 vs $4.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Evil Otto costs $4.99 and LUFS SLIDER $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Evil Otto | LUFS SLIDER |
| --- | --- | --- |
| Price | $4.99 | **$0.49** |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/evil-otto/id6760843522/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | Paid | Paid |
| Size | 60 MB | 3 MB |
| Requires iOS | **12.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) | [YUKIO TOKIWA](https://appshunter.io/developer/6776055556) |

## What reviewers say

### Evil Otto

[App page](https://appshunter.io/ios/app/evil-otto/id6760843522)

This audio effect applies simultaneous upward and downward compression across three frequency bands for detailed sound. It offers precise control over audio dynamics and includes features like sidechain input and real-time metering.

**Highlights:** Three-band OTT compression, Precise control parameters, Sidechain input for rhythmic effects, Real-time metering per band, Factory and user presets, Cross-platform preset compatibility

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

**In-app purchases:** none


### LUFS SLIDER

[App page](https://appshunter.io/ios/app/lufs-slider/id6776055554)

Adjust LUFS values for mastering audio with individual compressor, limiter, and gain controls. Features a versatile equalizer with simple or 12-band modes and includes presets for efficient workflow.

**Highlights:** LUFS value adjustment, Individual compressor, limiter, gain controls, Presets included, Simple LOW, MID, HIGH EQ, 12-band EQ mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Evil Otto free?

Evil Otto costs $4.99, with no in-app purchases.

### Is LUFS SLIDER free?

LUFS SLIDER costs $0.49, with no in-app purchases.

### Do Evil Otto or LUFS SLIDER have ads?

Neither Evil Otto nor LUFS SLIDER shows ads.

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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.*