# NeSi xTrem — Musical Tremolo Effect Plugin > iOS Audio Unit stereo tremolo effect plugin with FM LFOs. (iPhone/iPad app by Neon Silicon.) - Source: https://appshunter.io/ios/app/nesi-xtrem/id1553303748 (this page in markdown: same URL + `.md`) - Developer: [Neon Silicon](https://appshunter.io/developer/1409314093) - Category: Music, Music - Price: Free - Rating: 4.71/5 from 17 App Store ratings · 4 written reviews indexed - Age rating: 4+ - Requires: iOS 14.3 · 1 MB - Languages: English - Released: 2021-02-16 - Data updated: 2026-06-05 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/nesi-xtrem/id1553303748/reviews.md ## What is NeSi xTrem? NeSi xTrem is an Audio Unit, or AU, for iOS. This application is simply a container for the Audio Unit and also serves as the documentation for the AU. xTrem must be used in some sort of Audio Unit host or DAW application. NeSi xTrem is a stereo-stereo tremolo effect that uses FM based LFO's and includes VCA and low-pass gate based modulation of the audio signal volume. This provides a unique tremolo signature that is ideal for adding color and movement to instrument tracks. ## Key features - Stereo tremolo effect - FM-based LFOs - VCA modulation - Low-pass gate modulation - Audio Unit plugin for iOS - DAW host compatible ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/nesi-xtrem/id1553303748/reviews.md ### 5/5 — Fab *2024-02-11* Tip: the presets are 100% wet, which may not be what you want for guitar. Dial this down to blend in some dry signal, and you have a cracking tremolo ‘pedal’ for your virtual rig. ### 5/5 — To developer! *2021-02-23* I would like to say big Thank You for all of your apps which are excellent and original. ### 5/5 — impossible to sound bad *2021-02-19* this app is super simple yet highly in depth . adds such nice stereo movement and more ### 5/5 — Add some width and movement! *2021-02-19* Love all the plugs! ## Frequently asked questions about NeSi xTrem ### What is NeSi xTrem? NeSi xTrem is an Audio Unit (AU) plugin for iOS that provides a stereo tremolo effect. It's designed to be used within other Digital Audio Workstation (DAW) applications on your device. ### How does NeSi xTrem create its tremolo effect? NeSi xTrem uses FM-based LFOs (Low-Frequency Oscillators) and VCA (Voltage-Controlled Amplifier) or low-pass gate modulation to alter the volume of your audio signal, creating a distinctive tremolo sound. ### Is NeSi xTrem free to use? Yes, NeSi xTrem is available for free. It does not have any in-app purchases or advertisements, making it a completely free tool for musicians. ### What devices does NeSi xTrem support? NeSi xTrem is compatible with iPhone, iPad, and iPod devices. It requires iOS and is designed to integrate with audio applications on these platforms. ### How often is NeSi xTrem updated? The latest version, 1.3, was released on May 27, 2022. While the exact update frequency isn't specified, this indicates it receives periodic maintenance and updates from the developer, Neon Silicon. ### What is the age rating for NeSi xTrem? NeSi xTrem has an age rating of 4+. This suggests it is suitable for users of all ages and does not contain any mature content. ### Can I use NeSi xTrem without a DAW? No, NeSi xTrem is an Audio Unit plugin and requires a host application, such as a DAW, to function. It acts as an effect that you apply within another audio production environment. ### What is the user sentiment for NeSi xTrem? Users generally have a positive view of NeSi xTrem, as indicated by its high rating of 4.7 stars from 17 ratings. This suggests users find the tremolo effect effective and the plugin reliable. ## Version history (last 4 releases) ### 1.3 — 2022-05-27 Fixed a bug that might cause the effect to not reset when a host requests a reset. ### 1.2 — 2021-04-26 Moved the oversampling for NeSi xTrem to 4x to enhance the stability and sound of the LPG filters and increase the smoothness and accuracy of the FM LFO's. This also enables NeSi xTrem to run on tracks with lower sample rate. Added a warning dialog when the host sets a sample rate that may cause the LPG filters to be unstable for high filter sweep settings. Fixed a bug where the AU could lose parameter settings when multiple starts-and-stops of a track had been executed. ### 1.1 — 2021-04-13 Fixed a bug that could cause a crash when dragging a preset file onto the presets panel. Fixed a bug that could cause a crash when an AU host deleted a preset. Fixed a bug that caused issues with loading user presets on some hosts. Added support for exporting presets to the macOS version of NeSi xTrem. ### 1.0 — 2021-02-17 No release notes. ## Apps similar to NeSi xTrem | App | Rating | Price | Category | | --- | --- | --- | --- | | [FAMOUS RADIO](https://appshunter.io/ios/app/famous-radio/id1586382520) | 4.9 (54) | Free | Music | | [CHAPITRE SIX](https://appshunter.io/ios/app/chapitre-six/id1566354040) | — | Free | Music | | [环宇音乐](https://appshunter.io/ios/app/id1557158820) | — | Free | Music | | [Radio Camino De Luz](https://appshunter.io/ios/app/radio-camino-de-luz/id1561891140) | — | Free | Music | | [TV Hispanic HD](https://appshunter.io/ios/app/tv-hispanic-hd/id1562210980) | — | Free | Music | | [Tillt Radio](https://appshunter.io/ios/app/tillt-radio/id1562840760) | 5.0 (1) | Free | Music | ## More apps by Neon Silicon - [CuSnP](https://appshunter.io/ios/app/cusnp/id1418236738) - [LRC5](https://appshunter.io/ios/app/lrc5/id1418930761) - [GyroVibe](https://appshunter.io/ios/app/gyrovibe/id1461657653) - [PhaseDelayArray](https://appshunter.io/ios/app/phasedelayarray/id1472910992) - [LRC7](https://appshunter.io/ios/app/lrc7/id1562010770) All apps by Neon Silicon: https://appshunter.io/developer/1409314093 ## Related topics [nesi xtrem](https://appshunter.io/ios/topics/nesi-xtrem) --- *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 2026-06-05.*