# Velocity Filter vs Lines

The clearest difference is price: Velocity Filter at $2.99 against Lines's $19.99. Velocity Filter also leads on update cadence (every 3 weeks vs every 13 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

Velocity Filter costs $2.99 and Lines $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Velocity Filter against 5.0 for Lines. Both are backed by a comparable volume of ratings — 7 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Velocity Filter ships an update every 3 weeks, Lines every 13 months. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Velocity Filter | Lines |
| --- | --- | --- |
| Price | **$2.99** | $19.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/velocity-filter/id1473094671/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/lines-feedback-multieffect/id6461267498/reviews) |
| Number of ratings | 7 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 13 months |
| Monetization | Paid | Paid |
| Size | 15 MB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### Velocity Filter

[App page](https://appshunter.io/ios/app/velocity-filter/id1473094671)

This audio unit plugin enhances synthesizer patches by making them responsive to MIDI velocity. It can function as a MIDI-controlled filter or volume control, adding natural musicality to non-velocity-sensitive sounds without altering their core tone.

**Highlights:** MIDI velocity to volume/filter conversion, MIDI-CC and aftertouch control, High-shelf filter modulation, Preserves original patch tone, Batch application to patches

**Features:** macOS Compatibility

**In-app purchases:** none


### Lines

[App page](https://appshunter.io/ios/app/lines-feedback-multieffect/id6461267498)

This audio effect plugin transforms any signal into a wide spectrum of sounds, from lo-fi to distortion and feedback. It can also function as an experimental synthesizer, creating rhythms and soundscapes even without input.

**Highlights:** Creative signal mangling, Experimental synthesizer, Feedback-based sound design, Wide range of audio effects, Rhythm and soundscape generation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Velocity Filter free?

Velocity Filter costs $2.99, with no in-app purchases.

### Is Lines free?

Lines costs $19.99, with no in-app purchases.

### Which has better reviews, Velocity Filter or Lines?

Velocity Filter and Lines are both rated 5.0 out of 5 on the App Store, from 7 and 11 ratings respectively.

### Do Velocity Filter or Lines have ads?

Neither Velocity Filter nor Lines shows ads.

### Which is updated more often, Velocity Filter or Lines?

Velocity Filter ships an update every 3 weeks, and Lines every 13 months. Most recently, Velocity Filter was updated on September 30, 2026 and Lines on October 15, 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.*