Report updated Apr 2, 2026

What Is Klang - Sound Board Widget?

Klang - Sound Board Widget is a highly customizable, open-source soundboard application designed specifically for the iOS ecosystem. Its core value proposition lies in allowing users to trigger custom or pre-defined audio clips instantly from their home or lock screens without needing to open the app. By enabling users to import audio files, extract sounds from videos, and organize them into personalized soundboards, Klang serves as a versatile tool for device personalization. The app targets both casual users looking for quick meme sounds and power users who want highly personalized, quick-access audio triggers. Positioned in the Music category, Klang stands out in a crowded market of ad-heavy soundboard apps by offering a completely free, ad-free, and open-source experience. Its most significant competitive advantage is its deep integration with iOS interactive widgets, enabling zero-friction audio playback.

What users think iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Mixed
Lockscreen Widget Functionality
App Crashes on Play/Add... Show more

What does it look like?

What are the key features?

Interactive Home/Lock Screen WidgetsDifferentiator

Allows users to trigger sounds directly from the home or lock screen without opening the app.

Custom Sound ImportStandard

Enables users to record or import audio files and extract sounds from existing videos.

Soundboard ManagementStandard

Organize sounds into custom soundboards or display individual sounds via widgets.

Pre-defined GalleryStandard

Access to a library of pre-defined soundboards for quick discovery and use.

Open-Source ArchitectureDifferentiator

The app is built as an open-source project, promoting transparency and community trust.

What do users think? iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Mixed

Recent user voice shows a mixed sentiment. Users appreciate lockscreen widget functionality and customization and ease of use, but report app crashes on play/add and lack of audio trimming.

What Users Love

Lockscreen Widget Functionality

got this app for a soundboard on my lockscreen, and it really works! less than a second of delay

awesome feature is the widget tho! the most crucial sounds right there when needed.

Customization and Ease of Use

simple and easy to use, i can make soundboards of all my favorite characters.

allowed me to upload all the custom audio bits... with relative ease.

No Ads or Subscriptions

absolute best part no ads and no subscription.

Pain Points

App Crashes on Play/Add

Everytime I try to add a sound it crashes

when I try to extract a sound or play it, the app immediately crashes.

Lack of Audio Trimming

i really wish there was a way to crop sounds in the app—iphone’s system for cropping is imprecise.

Wish there was a way to trim audio on recorded sounds.

Volume Normalization Issues

some of my sounds are louder than others, and can be too loud when full-blast mode is on. add a way to set the volume

Medium confidence · 11 reviews available

What are the pros and cons?

Pros

  • Seamless integration with iOS interactive widgets for zero-friction playback.
  • Completely free, ad-free, and open-source, building strong user trust and goodwill.
  • Intuitive custom sound import capabilities (including video extraction).

Cons

  • Critical stability issues, specifically app crashes on iOS 18 when adding or playing sounds.
  • Lack of basic audio editing tools, such as trimming and volume normalization.
  • No direct monetization strategy to fund long-term development and maintenance.

What is the market outlook?

Growth Opportunities

  • Competitors can exploit Klang's current iOS 18 instability to poach frustrated users.
  • Implementing highly requested QoL features (trimming, volume control) could significantly boost retention and positive reviews.
  • Potential to introduce a 'tip jar' or optional premium tier for advanced editing features without compromising the open-source core.

Market Threats

  • Major competitors like Instant Buttons improving their own widget functionality to match Klang's primary differentiator.
  • Future iOS updates further breaking widget or audio playback APIs, requiring constant maintenance.
  • Large, community-driven platforms (like Tuna) dominating the sound discovery phase, reducing the need for custom import tools.

Who competes with Klang - Sound Board Widget?

Contenders

Soundbox - Custom Soundboard

Soundbox - Custom Soundboard

Gabriel Pires

Competes directly on the core utility of allowing users to create highly personalized soundboards from their own audio files.

+

Competes directly on the core utility of allowing users to create highly personalized soundboards from their own audio files.

Peers

+

While technically a music production sampler, power users utilize its grid interface to record, import, and trigger custom sounds.

+

AI Stem Separation

Widgetsmith

Widgetsmith

Cross Forward Consulting, LLC

Competes broadly for home screen widget real estate and personalization, though not strictly focused on audio.

+

Competes broadly for home screen widget real estate and personalization, though not strictly focused on audio.

AudioShare

AudioShare

Kymatica AB

An audio file manager used by iOS power users to organize, trim, and manage the exact types of audio files imported into Klang.

+

An audio file manager used by iOS power users to organize, trim, and manage the exact types of audio files imported into Klang.

What are the key takeaways?

Klang - Sound Board Widget is a divisive music app that is completely free. With a 4.6/5 rating from 99 reviews, it receives mixed feedback from users. Users particularly appreciate lockscreen widget functionality, though app crashes on play/add remains a common concern.

Best for: Casual users and power users who want to personalize their device experience with custom sound effects and quick-access audio triggers.

How much does it cost?

Model: free

Tiers:
Completely free to use

The app is positioned as a free, open-source utility, likely serving as a brand-building tool or community project for the developer rather than a direct revenue generator.

iOS Version

1.1

Release Date

Sep 19, 2023

iOS Price

Free

Independent intel to help builders create better apps.

No publisher influence. No third-party bias. Built with objectivity in mind to serve the builder community. Reports are continuously improved and refined. For informational purposes only.

Hope this helps & keep building! · Found an error?

Cite this report

Marlvel.ai. “Klang - Sound Board Widget Intelligence Report.” Updated Apr 2, 2026. https://marlvel.ai/intel-report/music/klang-sound-board-widget

Agent Markdown (.md)·

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