Best Kelp Horn Apps

250+ iOS apps curated and reviewed

4.4 avg rating

20 free apps

Updated November 2026

Every iPhone needs a few good kelp horn apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Kelp Horn Apps (November 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Kelp Horn	Free	—	—	No	Nov 2026
2	The Lighthouse Campus	Free	5.0★ (4)	No	No	Nov 2026
3	My Kelp	Free	—	No	No	Nov 2026
4	The Hornist's Almanac	Free	5.0★ (9)	No	No	May 2026
5	Onsemble	Free	5.0★ (5)	No	Yes	Nov 2026
6	Air Horn Sound	Free	2.1★ (56)	No	No	Oct 2026
7	Marco Island Civic Association	Free	4.9★ (11)	No	No	Oct 2026
8	Pocket Air Horn	Free	3.5★ (105)	Yes	No	Oct 2026

Top Picks for Kelp Horn

#1

Kelp Horn by Erik Harding

Hermanus Whale Sightings

Editor's Choice

0.0(0 ratings)

Free

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#2

The Lighthouse Campus by The Lighthouse by Whalar Inc.

Strong Contender

📊 Productivity

5.0(4 ratings)

Free

The Lighthouse Campus screenshot 1

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This app serves as a digital companion for creators at The Lighthouse Campus. It allows users to easily navigate campus facilities, book various spaces like studios and workspaces, and stay informed about events and updates. It connects members to the resources and community needed to bring creative projects to life.

#3

My Kelp by GreenWave Organization Corp.

Track growth & climate impacts

Worth Considering

0.0(0 ratings)

Free

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More Kelp Horn apps to explore

The Hornist's Almanac

The Hornist's Almanac

The Hornist's Almanac

Horn Fingering Chart and Tuner

This app provides a comprehensive horn fingering chart and a built-in tuner to assist musicians in learning and playing single, double, or triple horns. It's a valuable tool for horn players of all levels.

Horn fingering chartsBuilt-in tunerSupports single, double, and triple horns

Create. Collaborate. Learn.

This app allows musicians to record and create music collaboratively. Users can add their own parts to existing projects, mix tracks, and produce shared music videos. It also offers learning resources and challenges for inspiration.

Record audio and videoCollaborate on music projectsCreate shared music videos

Prank Sound Effects Board

This app provides a collection of loud sound effects for pranking friends. Choose from 12 distinct noises like air horns, sirens, and gunshots to create amusing or startling situations. Shake your device to activate sounds on the go.

12 sound effectsPrank friendsWake people up

🎬 Entertainment

Marco Island Civic Association

Marco Island Civic Association

Marco Island Civic Association

by Hang 10 Meda

This app serves as a central hub for a large civic organization on Marco Island, providing information and membership opportunities. It aims to promote civic improvement and betterment for residents and property owners.

Membership informationCivic improvement promotionResident and property owner services

Pocket Air Horn

Pocket Air Horn

Pocket Air Horn

Great Loud Air Horn!

This app provides a loud air horn sound effect directly from your device. It's designed for novelty purposes, like playing pranks or scaring friends. The app is self-contained and does not require an internet connection.

Loud air horn soundGravity button effectNo internet required

🎬 Entertainment

The Kelp Forest ebook

The Kelp Forest ebook

The Kelp Forest ebook

A Young Explorer's Guide

Explore the vibrant kelp forest ecosystem through an interactive, multimedia book. Discover fascinating facts and engage with rich content about this underwater world.

Interactive multimedia explorationKelp forest ecosystem focusEducational content

Mater Marine Biology with ease

Master marine biology with engaging quizzes covering a wide range of topics, from oceanography to conservation. This app is designed for students, professionals, and enthusiasts looking to expand their knowledge of marine life and ecosystems.

Engaging quizzesComprehensive topic coverageBoosts knowledge and skills

free with in-app purchases

Explore Dry Tortugas National Park with an immersive audio guide. Discover the history of Fort Jefferson, its role in the Civil War, and the park's ecology. The app works offline, making it your perfect companion for exploring the islands and marine life.

Immersive audio storytellingOffline accessFort Jefferson history

Unique events & small creators

Discover and book unique, authentic local experiences hosted by small creators in your community. Explore a variety of categories like food, arts, crafts, and active adventures, all crafted by passionate individuals.

Discover unique local eventsBook experiences from small creatorsExplore diverse categories

🎬 Entertainment

Post, Trade, and Curate Art!

A social media platform designed exclusively for artists to share their creations, trade artwork, and participate in daily challenges. Connect with a supportive community, showcase your evolving projects, and organize your artistic profile.

Share artwork with a vibrant communityPersonalized curated social feedArt contests with prizes

🌐 Social Networking

Real Air Horn (Prank)

Real Air Horn (Prank)

Real Air Horn (Prank)

#1 Air Horn App

This app provides a collection of realistic sound effects like air horns, trains, and vuvuzelas. It can be used for pranks, startling friends, or even cheering at events. Sound detection is also included for enhanced pranking capabilities.

Realistic sound effectsAir horn, train, ship, air raid, vuvuzela soundsSound detection feature

🎬 Entertainment

ren - artists in practice

ren - artists in practice

ren - artists in practice

process & recommendations

A platform for creators to share their artistic processes and discover like-minded individuals. Users can post updates, exchange ideas, and find inspiration from exhibitions, books, and more.

Share artistic practice via text, images, video, or voiceConnect with diverse creative professionalsDiscover exhibitions, books, and influential ideas

French Horn Trainer

French Horn Trainer

French Horn Trainer

F, Bb & double horn practice

Practice French horn with a fingering chart, sight-reading trainer, and real-time scoring. Choose your horn type (F, Bb, or double) and get personalized feedback to improve your playing.

Fingering chart for F, Bb, and double hornsReal-time scoring and feedbackEndless sight-reading exercises

Backyard Buoys Mobile App

This application provides coastal communities with easy mobile access to near real-time wave data and visualizations. It leverages scalable marine technology for community-managed ocean buoys, enhancing blue economy and hazard protection.

Real-time wave data accessData visualizationsCommunity-managed buoys

IMBUED: Open Art Metamuseum

IMBUED: Open Art Metamuseum

IMBUED: Open Art Metamuseum

Invent. Astonish. Inspire.

🌐 Social Networking

Big Ears Festival

Big Ears Festival

Big Ears Festival

April 1-4, 2027 | Knoxville

This app enhances your festival experience with a comprehensive schedule, interactive maps, and artist information. Stay updated with notifications and navigate seamlessly between venues for a fully immersive artistic adventure.

Festival schedule in list or grid viewSet favorite events and receive notificationsInteractive maps to find venues

🎬 Entertainment

Explore the depths

Explore the ocean world through an immersive game that trains AI for scientific research. Discover and identify over 50 groups of ocean animals using real imagery collected by researchers. Contribute to science while playing minigames, completing quests, and earning badges.

Play minigames with real ocean imageryIdentify over 50 groups of ocean animalsSave and share favorite images

FAQ about Kelp Horn

Are there free kelp horn apps for iPhone?

Yes — 20 of the top kelp horn apps we rank are free to download, including Kelp Horn and The Lighthouse Campus.

Does Kelp Horn have ads or in-app purchases?

Kelp Horn has no in-app purchases, according to its App Store listing as of November 2026.

How many kelp horn apps are on the App Store?

We track 250+ kelp horn apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.