# iFretless Bass — expressive virtual bass guitar

> Expressive virtual fretless bass guitar with dynamic touch response and MIDI support. (iPhone/iPad app by Blue Mangoo Consulting Company Limited.)

- Source: https://appshunter.io/ios/app/ifretless-bass/id512929963 (this page in markdown: same URL + `.md`)
- Developer: [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602)
- Category: Music
- Price: $14.99
- Rating: 4.40/5 from 46 App Store ratings · 116 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 150 MB
- Languages: American English
- Released: 2012-03-29
- Data updated: 2026-08-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/ifretless-bass/id512929963/reviews.md

## What is iFretless Bass?

iFretless Bass is a professional virtual instrument that provides bass and guitar players with an expressive fretless playing surface.  The layout is like an eight string bass guitar with the notes colored black and white like the keys of a piano.  Although it looks different from a guitar neck, bass players will find it surprisingly easy to use.  

The app's ability to measure the force of touches on the screen allows it to respond to dynamics and accented notes with a wide range of different tones for each instrument.

FEATURES
1) 13 deeply sampled bass sounds
2) MIDI input and output
3) Audio Unit 3 support
4) Audiobus support
5) Parametric Equalizer
6) MPE multi-channel MIDI support
7) Accurate touch force sensing, even on devices that don't support 3D touch

BASS SOUNDS
1) Fretless bass
2) Slap bass
3) Jazz bass
4) Acoustic upright bass
5) Pick bass
6) Muted Pick Bass
7) Hard Fingerstyle Bass
8) Electric upright bass
9) Saw wave analog synth bass
10) Chameleon synth bass
11) Snarling synth bass
12) FM synth bass
13) Wonder synth bass

## Key features

- Expressive fretless playing surface
- Touch force sensing for dynamics
- 13 deeply sampled bass sounds
- MIDI input and output
- Audio Unit 3 and Audiobus support
- MPE multi-channel MIDI support

## What do users think of iFretless Bass?

Overall sentiment: mixed

**Pros**

- 🎶 Realistic and authentic bass sounds
- 🎮 Highly playable and intuitive interface
- 🎛️ Excellent MIDI controller capabilities
- 💡 Innovative touch surface for expression
- ✨ Great value for the price
- 🚀 Good performance and low latency
- 🎧 High-quality audio output
- 🛠️ Responsive developer support
- 🎹 MPE compatibility for advanced control
- 🎸 Versatile for various music genres
- 📱 Works well on iPad and iPhone

**Cons**

- 🐛 Occasional crashes and stability issues
- 🔊 High DSP usage on some devices
- 🪲 Preset saving and recall issues
- 🚫 Lack of support for certain DAWs (e.g., Logic Pro on iOS)
- 🔊 Unwanted string buzz on some sounds
- 💸 Not refundable
- 🐞 Some bugs in Audio Unit integration
- 🔊 Crackling sounds in some scenarios
- 🤔 UI can be confusing for some features (e.g., scrolling strings)
- 🎶 Upright bass sound not as good for some users

**Commonly reported bugs**

- App crashes on opening after updates
- Audio Unit integration issues
- Preset saving and recall problems
- DSP usage too high on some devices
- Cracking and feedback in GarageBand EQ
- MIDI keyboard compatibility issues
- Tuning issues (notes a half-step low)
- String buzz on E string
- IAA connection issues in Tabletop
- App not quitting completely after closing
- No sound generating on certain iOS versions
- MIDI data off by two and a half steps
- Latency issues with virtual MIDI
- Loud cracks during hammer-ons
- Notes sticking in BM2
- Cracking sounds when closing background MIDI apps
- iOS 8 compatibility issues causing crashes
- App not working with Logic Pro on iOS
- Crashing issues and incompatibilities with macOS Sonoma

**Most requested features**

- Lower notes (e.g., low Bb)
- More string options (e.g., 5-string)
- Additional fret range
- Adjustable layers for resonance, release, and fret noise
- Assigning string tap and atonal mute samples
- Integrating hard finger samples with buzzing
- Assignable effects (slides, slap fox)
- Slap and mute tab options for electric basses
- Sustain button for continuous notes
- Harmonics feature
- Scale overlay for learning
- More customizable note range
- Polyphonic mode
- User-defined tuning (open tunings)
- One MIDI channel per string for multitimbral use
- Vertical slider for assignable CC messages
- Note-off messages
- Ability to go down to 4 or 5 strings
- Option for another fret or two
- More display options for fretboard appearance

## Recent user reviews (10 of 116)

All indexed reviews: https://appshunter.io/ios/app/ifretless-bass/id512929963/reviews.md

### 3/5 — Stopped working

*2025-09-21*

iFretless Bass doesn’t work with iOS26 when using AUM

### 1/5 — No support.

*2025-07-13, version 4.0.38*

Nothing ruins an app quicker than no support. Cool app, great sound but when you save presets in Loopy Pro they save but they don’t change when recalled. Have to hold the gear icon and wait for a countdown then choose preset you want. Multiple inquiries to support with zero response.

### 1/5 — DSP usage too high

*2025-07-11, version 4.0.38*

Maxed out My iPadPro 6th  DSP usage… 
I am running it in AUM and none of my apps use much DSP… I added iFretless bass and now my DSP is tapping out over 100%…. Disappointing because I love the sound

### 5/5 — iFretless Apps open up a whole new world of Instruments + MIDI for Guitarists and Bassists!

*2025-02-26*

How would you like to take your bass anywhere you go and have some AUTHENTIC bass sounds to boot?!  Personally, I *LOVE* the Acoustic Bass sound selection, but they are ALL amazing!  The value of this app cannot be understated if you are a bassist (or a guitarist). The app allows you to have a bass with virtually LIMITLESS strings and frets!  And you can layer more than on bass sound for ENDLESS sound possibilities,
 
In addition to having a “pocket-sized” acoustic bass with you at all times - which is a blast just to play along with Spotify/YT music/Apple Music/etc. the sounds themselves are top-notch making this app into a MIDI-controlled instrument! But wait! There’s MORE! 
 
This virtual bass fretboard app can also be used as a VERY flexible MIDI controller for guitarists/bassists!

You really need to check this app out!

### 3/5 — Audio Unitでは使えない

*2024-11-26*

よく落ちるし、presetが表示されない。今後のアップデートに期待します。

### 1/5 — Nicht Rückerstattbar

*2024-10-30*

Die Bässe klingen lange nicht so gut wie auf den Demos,
GarageBand klingt meiner Meinung besser.
Habe die App gleich gelöscht und Apple meint :
Rückerstattung nicht möglich.Ganz mies…ich rate zur Vorsicht!

### 5/5 — Monster

*2024-08-05, version 4.0.37*

I Looove this app, the tone is SIK, It’s accessible and cuts. About the best bass sim I’ve ever seen. I’d give it 10$tars

### 5/5 — Tremendous as a MPE midi controller…!

*2024-06-29*

…for both iOS and MacOS apps and software. I use it to control orange tree samples virtual guitars. It allows me to play those guitars with many types of articulations, especially hammer ons, independent slides and bends per string, harmonics, and more! It’s like having a linnstrument! It’s great for controlling Pianoteq’s guitar. Be sure to set both apps up for MPE-like capabilities. You can use the iFretless factory tones too. This is a great instrument overall!

**Developer response:** Please set the MIDI mode to single channel polyphonic.

### 5/5 — Just the BEST1

*2024-03-27, version 1.4.34*

This is it , guys /gals look no further.

### 5/5 — MOST REALISTIC 🙌!!!

*2024-03-15*

Hands down best sounding and MOST REALISTIC sounding bass in the App Store for sure. And the adjustable parameters are essential and perfect to dial in your preferred sound. I’d be stuck buying a bass had it not be for this app since I do more metal core screamo post-hardcore music. You can actually get some good string sounds…it’s perfect in every way and is a must have for anyone who needs realistic bass sounds

## Frequently asked questions about iFretless Bass

### What is iFretless Bass?

iFretless Bass is a professional virtual instrument that simulates a fretless bass guitar. It features a unique playing surface designed for expressive performance, capturing touch force for dynamic tonal variations. The app also offers extensive MIDI and audio integration capabilities.

### What are the key features of iFretless Bass?

Key features include an expressive fretless playing surface with accurate touch force sensing, 13 deeply sampled bass sounds, MIDI input and output, Audio Unit 3 and Audiobus support, and MPE multi-channel MIDI support. It also includes a parametric equalizer.

### How much does iFretless Bass cost?

Based on the provided information, iFretless Bass is a paid application. There are no mentions of in-app purchases or advertisements, suggesting a one-time purchase model.

### Who is iFretless Bass designed for?

This app is designed for bass and guitar players who are interested in exploring a virtual fretless bass instrument. It's also suitable for music producers and composers looking for a versatile MIDI controller and sound source with advanced audio integration.

### Can I use iFretless Bass with other music apps?

Yes, iFretless Bass supports Audio Unit 3 and Audiobus, allowing it to be integrated with other compatible music applications on your device. It also offers MIDI input and output, enabling it to control other virtual instruments or be controlled by external MIDI devices.

## Version history (last 5 releases)

### 4.0.39 — 2025-09-24

Smaller fixes and improvements.

### 4.0.38 — 2025-04-16

This update includes stability improvements.

### 4.0.37 — 2024-06-26

App performance improvements.

### 4.0.36 — 2024-04-23

This update includes stability improvements.

### 1.4.35 — 2024-04-03

Fix MIDI recording in Logic Pro

## Apps similar to iFretless Bass

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## More apps by Blue Mangoo Consulting Company Limited

- [iFretless Guitar](https://appshunter.io/ios/app/ifretless-guitar/id623167340)
- [iFretless Sax](https://appshunter.io/ios/app/ifretless-sax/id681765126)
- [iFretless Brass](https://appshunter.io/ios/app/ifretless-brass/id915761815)
- [Drone Tuner](https://appshunter.io/ios/app/drone-tuner/id1326016622)
- [Stereo Modulator](https://appshunter.io/ios/app/stereo-modulator/id1370816026)

All apps by Blue Mangoo Consulting Company Limited: https://appshunter.io/developer/1475107602

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*