# lo vs R128x Loudness Measuring Tool

The clearest difference is iOS requirement: lo at 11.0 against R128x Loudness Measuring Tool's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

lo costs $9.99 and R128x Loudness Measuring Tool $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | lo | R128x Loudness Measuring Tool |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | **[5.0 (29 ratings)](https://appshunter.io/ios/app/lo-fi-af/id6444068732/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Paid | — |
| Size | 17 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Unfiltered Audio](https://appshunter.io/developer/1638381375) | [立剑 孙](https://appshunter.io/developer/1647135461) |

## What reviewers say

### lo

[App page](https://appshunter.io/ios/app/lo-fi-af/id6444068732)

This app offers a versatile toolkit for manipulating audio with a variety of lo-fi effects. Explore historical audio degradation, modern digital artifacts, and analog warmth to transform your sound.

**Highlights:** Convolution reverb with unique impulse responses, Spectral processing for MP3 simulation and pitch shifting, Digital section with bitcrusher and CD stutter, Analog section with tape saturation and noise generation, Rearrangeable processing sections, Dozens of presets for sound warping

**Features:** Vision Pro support

**In-app purchases:** none


### R128x Loudness Measuring Tool

[App page](https://appshunter.io/ios/app/r128x-loudness-measuring-tool/id6504094713)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is lo free?

lo costs $9.99, with no in-app purchases.

### Is R128x Loudness Measuring Tool free?

R128x Loudness Measuring Tool costs $9.99, with no in-app purchases.

### Do lo or R128x Loudness Measuring Tool have ads?

Neither lo nor R128x Loudness Measuring Tool 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.*