Audio Frequency Analyzer icon
Audio Tone Generator Plus icon
ClinoScope icon
+12

TOON

For audio engineers, technicians, and individuals concerned with environmental noise pollution or high-frequency sound exposure.

15apps2.7(723) Multi-theme

Snapshot

Who is TOON?

Providing specialized acoustic measurement and frequency analysis tools for audio engineers and environmental noise monitoring.

Target audience

Audio engineersTechniciansIndividuals concerned with environmental noise pollution or high-frequency sound exposure

Active nemesis

Emre Can Altaca

Other rivals

Portfolio

Free 2
15
apps
Utilities13
Health & Fitness1
Music1

Last updated

Audio Tone Generator Plus

v2.2.3

5mo ago

Intense

Publisher DNA

What defines TOON?

Publisher DNA

Primary focus

Acoustic measurement and frequency analysis utilities

Scale

studio

Target audience

Audio engineers, technicians, and individuals concerned with environmental noise pollution or high-frequency sound exposure.

Signature Patterns

  • •Heavy specialization in acoustic and frequency analysis utilities
  • •Hybrid monetization model utilizing both free ad-supported and paid premium apps
  • •Technical feature set including FFT analysis, 1/3 octave band analysis, and spectrograms
  • •Focus on detecting sound frequencies outside the standard human audible range
Intense

Portfolio momentum

Released 24 updates across 15 apps in the last 6 months, indicating a high-frequency maintenance and iteration cycle for their existing utility suite.

Last release 0d agoActive apps 15

Portfolio

What does TOON ship?

Apps

15 apps analysed

  • Calibration function creates a technical barrier to entry for free, non-calibrated alternatives

Distributed across 8 markets, strongest in Europe.

Based on 3 of 15 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (3)

  • Brazil3 / 3
  • Mexico3 / 3
  • United States3 / 3

Europe (4)

  • France3 / 3
  • Germany3 / 3
  • Portugal3 / 3
  • Spain3 / 3

Asia-Pacific (1)

  • Japan3 / 3

Core markets (3/3 apps)

BrazilFranceGermanyJapanMexicoPortugalSpainUnited States

User Sentiment

How do users feel about their apps?

0

Positive apps

0

Neutral / mixed

1

Negative apps

15/100

Avg sentiment score

Rivals

Who does TOON compete with?

The rivals identified

Nemeses(4)

Emre Can Altaca

known forDecibel Pro: Sound Level Meter

1 app4.4Utilities

Both apps compete for users monitoring environmental noise, though they specialize in distinct frequency ranges and professional use cases.

ExaMobile S.A.

known forPocket Bubble Level XXL

2 apps4.7Utilities

Both apps target DIY users and professionals requiring tilt and inclination measurements using iPhone accelerometer and gyroscope sensors. They compete directly for the same utility-focused user base seeking structural alignment tools.

Marina Polyanskaya

known forAudio Spectrum Analyzer dB RTA

1 app4.5Utilities

Both apps target users measuring environmental sound, but the rival captures a broader audience through general audio analysis features while the source app focuses on high-frequency detection.

Mimi Hearing Technologies

known forHearing Number

2 apps4.9Health & Fitness

Both apps target users monitoring hearing health, creating direct competition for the same health-conscious demographic despite differences in frequency range and pricing.

Contenders(19)

AppLiks Sp. z O.O.

known forDecibel Meter · Sound Analyzer

2 apps4.7Utilities

Functions as a noise dosimeter for measuring ambient sound levels and exposure duration, providing a standard acoustic monitoring utility.

Lucija Jaksic

known forFrequency: Sound Generator

1 app4.7Health & FitnessUtilities

This tool targets the same DIY audio testing segment but monetizes through aggressive advertising rather than a paid model.

Marouane Baid

known forFrequency Detector Analyzer

1 app4.3Health & FitnessUtilities

This tool overlaps with the frequency analysis capabilities required for the hearing tests performed by Hearing Analyzer Portrait.

Min Ku

known forFrequency Sound Generator App

1 app4.5Health & FitnessUtilities

This app provides a manual tone generation utility that overlaps with the testing functionality of Hearing Analyzer Portrait.

Alexey Kozlov

known forAngle Meter 360

1 app4.4Utilities

Both apps target users requiring angle and inclination measurements, though they differ in their primary input method: ClinoScope uses internal sensors for 3D tilt, while Angle Meter 360 uses camera-based visual analysis.

brian koech

known forSpectrum Analyzer: Audio RTA

1 app0.0Utilities

Both apps target users needing to visualize sound frequencies, though the source focuses on high-frequency noise detection while the rival provides general-purpose audio spectrum analysis.

Dominic Rodemer

known forLevel - Spirit level

1 app4.7Utilities

Both apps target DIY and professional users requiring tilt and inclination measurements, creating direct competition for the same utility use case.

Hardik Gojariya

known forSound & Decibel Meter - dBScan

1 app4.8Utilities

Both apps target users monitoring environmental sound levels, though High-Frequency Noise Monitor focuses on specialized inaudible frequencies while dBScan provides general decibel measurement.

Jens Rieckhof

known forBubble Level: AR, Angle Finder

1 app4.5Utilities

Both apps target users requiring surface leveling and slope measurement, creating direct competition for the same utility-focused audience.

Joaquin Tare

known forOff-Road Inclinometer

1 app4.6Utilities

Both apps serve users requiring tilt and inclination measurement, with ClinoScope focusing on structural precision and Off-Road Inclinometer targeting vehicle safety.

Loop-Sessions

known forAudio / Spectrum Analyzer

1 app4.6Utilities

Both apps target users needing to visualize sound frequencies, with the rival offering a broader spectrum analysis tool that overlaps with the target's niche high-frequency detection.

Manfred Kuegel

known forFrequency Analyzer

1 app4.5Utilities

Both apps target users needing to visualize sound frequencies, with Frequency Analyzer offering a broader suite that overlaps with the niche high-frequency detection of High-Frequency Noise Monitor.

Netviking AB

known forBubble Level - Spirit Level

1 app4.6Utilities

Both apps target DIY and construction users for surface alignment and angle measurement, creating direct competition for the same utility-seeking audience.

Shenzhen AiPuLeSi Technology Co.

known forLevel Tool · Angle Finder

1 app4.4Utilities

Both apps target DIY and professional users needing surface leveling and angle measurement, competing directly for the same utility-focused user base.

SHIGETO TAKAGI

known forAngle Gradient Inclinometer

1 app4.4Utilities

Both apps target DIY and surveying users with slope and tilt measurement tools, creating direct competition for users seeking precision instruments on mobile.

Tue Nguyen Minh

known forBubble Level Plus+

2 apps4.6Utilities

It provides similar leveling functionality to ClinoScope but is part of a larger, multi-tool suite.

Tyler Vergho

known forHigh Frequency Tones

1 app4.6Utilities

Both apps target users interested in high-frequency audio, with the rival focusing on generation and the source app focusing on detection and analysis.

Vlad Polyanskiy

known forDecibel : dB sound level meter

2 apps4.6Utilities

Provides a built-in spectrum analyzer for general audio analysis, complementing the source app's specialized high-frequency detection.

WHATSTICKER APPS SRL

known forMeasure Angles - Bubble Level

1 app4.7Utilities

Both apps target DIY and professional users requiring precise surface inclination and angle measurement tools. They compete directly for the same utility-focused user segment.

Same space(51)

Phong Pham

known forDecibel Meter: dB Sound Meters

2 apps4.0Health & FitnessUtilities

Monitors real-time sound pressure levels and frequency, providing a comprehensive acoustic analysis suite.

SkyPaw Co.

known forDecibel X:dB Sound Level Meter

3 apps4.7Utilities

Offers professional-grade sound pressure level measurement, providing a broader acoustic context than the source app's high-frequency focus.

Allegro Digital

known forHearing Test & Audiogram

1 app4.0Health & Fitness

This app offers a comprehensive suite of hearing tools, including tinnitus matching and tone generation, for the same wellness-focused audience.

Andrei Serykh

known forNoise Guru: Decibel Meter

1 app4.6Utilities

Offers decibel metering for personal sound environment control, including specific use cases like monitoring pet noise.

Andrei Vlad Matei

known forHearing Test by Tinni

1 app4.3Health & Fitness

This app combines hearing screening with tinnitus therapy, addressing a broader range of auditory wellness needs than the source app.

Andrew Neal

known forBubble Level 2022

1 app4.7Utilities

This app serves the same leveling audience as ClinoScope but offers multiple viewing and calibration modes for diverse construction tasks.

Appcellent

known forProtractor Angle Measure Tool

1 app4.6Utilities

This app targets the same DIY and professional demographic as ClinoScope but focuses exclusively on angle measurement.

Asaru Labs

known forVibration Detector Sensor

1 app5.0Utilities

It uses the same iPhone accelerometer hardware as ClinoScope but is specialized for industrial vibration diagnostics.

Ashraf Thoppukadavil

known forDecibel Meter Sound Detector

1 app4.7Utilities

This app provides a free alternative for general acoustic monitoring, contrasting with the niche, paid focus of the source app.

Ashvin Ajadiya

known fordB Meter - Real-Time Alerts

1 app1.0Utilities

This app focuses on macOS-specific environmental noise monitoring, providing a desktop-based alternative to the mobile-only source app.

Audicus

known forHearing Test By Audicus

1 app4.8Health & Fitness

Audicus serves as a B2B clinical gateway, providing professional-grade screening that integrates with a partner distribution portal.

Carl Sieber

known forLean: Inclinometer

1 app5.0Utilities

It addresses the same tilt-measurement need as ClinoScope but is specifically optimized for vehicle pitch and roll monitoring.

Chrystian Vieyra

known forPhysics Toolbox Sensor Suite

1 app4.8Utilities

It serves the same technical user base but expands beyond tilt measurement into a comprehensive scientific instrument suite for kinematics and acoustics.

DEXUS Pawel Krzywdzinski

known forUltrasonic Analyzer

1 app3.9Utilities

Enables monitoring of ultrasonic frequencies up to 384kHz, directly serving the same high-frequency niche as the source app.

Dmitriy Kharutskiy

known forSound Spectrum Analysis

2 apps3.8Utilities

Provides real-time sound spectrum analysis using FFT, offering technical depth for audio monitoring.

EA LAB

known forNIOSH Sound Level Meter

1 app4.7Utilities

Provides a government-validated tool for workplace noise safety, offering a non-commercial alternative to the source app.

eargym

known foreargym: Improve Hearing Health

1 app3.4Health & Fitness

eargym targets the cognitive aspect of hearing loss through training games, providing a clinical-grade platform for both B2C and B2B users.

Fawkes Wei

known forGyroscope ∞ Rotation Sensor

1 app5.0Utilities

This app provides raw sensor visualization for the same hardware as ClinoScope, focusing on physics and developer use cases.

Global Utility App Maker

known forGyroscope: Level & Rotation

1 appUtilities

It provides similar rotation and tilt measurement as ClinoScope but focuses on aviation-style instrument displays.

Haitam Baid

known forFrequency Analyzer Spectrum

1 app5.0Health & Fitness

This tool provides the high-precision analysis required for professional audio calibration, overlapping with the technical needs of Hearing Analyzer Portrait users.

hearX

known forhearWHO - Check your hearing!

1 app2.0Health & Fitness

hearWHO acts as a public health gateway for the same demographic, though it relies on WHO branding rather than commercial features.

Hiroaki Ito

known forEasy Hearing Test

1 app3.4Health & Fitness

Easy Hearing Test targets the same health-monitoring segment but creates a data-lock-in mechanism via Health app integration.

Irakli Tsuladze

known forHearing Test - Audiogram App

1 app4.3Health & Fitness

This app targets the same informational health space with a specific focus on pediatric screening and HealthKit integration.

Kyu-Hee Jang

known forGyroscope+ Level IMU Logger

2 apps2.3Utilities

It provides similar rotation and tilt measurement as ClinoScope but focuses on aviation-style instrument displays.

Leafgreen

known forSubwoofer Frequency Test

1 app4.1Health & Fitness

This app narrows the frequency testing scope to subwoofers, serving the same audiophile audience interested in hardware performance.

Lemondo Apps

known forBubble Level for iPhone

1 app4.7Utilities

This app competes for the same DIY and professional audience but offers a broader, multi-functional utility suite including metal detection and AR tracking.

Marshall Chasin

known forTemporary Hearing Loss Test

1 app2.3Health & Fitness

This app focuses on a specific diagnostic niche, measuring temporary threshold shifts after noise exposure for the same user base.

Music Breath

known forSpectrum Analyzer: Spectrogram

1 app4.2Utilities

Provides pro-level audio analysis with multichannel harmonic tools, expanding on the source app's frequency monitoring capabilities.

Nalin Savaliya

known forDigital Compass & Spirit Level

1 app0.0Utilities

It combines the leveling functionality of ClinoScope with compass navigation for a broader utility set.

Olive Union

known forOlive Smart Ear

1 app2.2Health & Fitness

Olive Smart Ear serves as a companion for hardware calibration, focusing on hearing aid optimization rather than pure diagnostic testing.

PaoApps

known forDecibel Meter - dB Noise Level

1 app4.8Utilities

Acts as a standard sound level meter for monitoring home or work noise environments.

Philip Broder

known forSensor Play - Data Recorder

1 app4.7Utilities

It shares the professional utility focus of ClinoScope but adds background data logging capabilities for engineering and academic research.

Prometheus Interactive

known forSmart Vibration Meter・Detector

1 app4.5Utilities

This app targets a similar environmental monitoring audience but focuses on physical movement rather than ultrasonic noise.

Rizbit

known for3 Grams Tilt Level Meter

1 app3.7Utilities

It serves the same surface-leveling audience as ClinoScope but adds an estimation feature for object weight based on tilt.

Rounding Squares BV

known forEMF Radiation Detector Reader

1 app4.5Utilities

Targets environmental monitoring by identifying electromagnetic fields, serving a similar user base concerned with invisible environmental interference.

Sonitum

known forSonicCloud Sound Check

1 app2.0Health & Fitness

SonicCloud provides a clinically validated assessment developed by a Stanford audiologist, targeting the same health-tracking audience.

Sonova Consumer Hearing

known forSennheiser Hearing Test

1 appHealth & Fitness

Sennheiser provides a brand-backed alternative for the same audience, focusing on educational resources and history tracking.

Sound Scouts HQ Pty

known forSound Scouts Hearing Test

2 apps3.6Health & Fitness

Sound Scouts targets a similar health-monitoring segment but focuses specifically on pediatric screening validated by the National Acoustic Laboratories.

stalls

known forDecibel Sound Level Meter

1 app4.0Utilities

Provides real-time decibel detection and history logging, serving as a general-purpose noise monitoring tool.

Thiem Nguyen

known forMotion Sensor Analyzer Tool

1 app3.0Utilities

This app targets the same professional research audience as ClinoScope but focuses on high-frequency motion data logging.

Thomas Gruber

known forAudio Function Generator

1 app4.7Utilities

Provides signal generation tools for audio testing, acting as a counterpart to the source app's analysis capabilities.

TMSOFT

known forNoise Generator: Full Spectrum

1 app4.7Utilities

Uses mathematical wave synthesis for sound masking, providing a tool for focus and sleep that complements the source app's monitoring.

Ultrafine

known forDecibel dB Sound Meter Ultra

1 app4.6Utilities

This app offers a comprehensive acoustic reporting tool for users who need more than basic noise detection.

UniCom Technology

known forSound Meter (Decibel)

1 app4.5Utilities

This app acts as a casual, free auxiliary tool for ambient noise monitoring, lacking the specialized ultrasonic focus of the source app.

Volker Schmitt

known forSensor-App

1 app4.0Utilities

This app provides a diagnostic interface for the same hardware sensors used by ClinoScope, targeting developers and power users.

Waxing Wave

known forSpectrolite

1 app4.8Utilities

Visualizes sound as spectrograms, providing a detailed view of frequency content that complements the source app's monitoring.

Wildlife Acoustics

known forEcho Meter Touch Bat Detector

1 app4.5Utilities

Detects ultrasonic echolocation calls from bats, directly overlapping with the source app's high-frequency monitoring focus.

William Mantzel

known forListenUp Hearing Test

1 app4.6Health & Fitness

ListenUp serves the same audiogram-tracking audience but differentiates through predictive modeling to reduce test time.

Yuichi Sakashita

known forHearing Test & Ear Age Test

1 app4.6Health & Fitness

This app competes for the same home-testing audience by offering ear age estimation alongside standard frequency screening.

yuya kanbetsunawa

known forWatch Sensor Logger

1 app0.0Utilities

This app extends the sensor logging capabilities found in ClinoScope to the Apple Watch for wearable motion analysis.

新雨 李

known forEMF Detector-Radiation Reader

1 app4.4Utilities

Measures electromagnetic fields in various environments, appealing to users concerned with invisible radiation exposure.

New entrants(5)

Aenea

known forNVH Lab: Car Noise Meter

1 app0.0Utilities

Quantifies cabin noise for automotive diagnostics, providing a specialized application of frequency spectrum analysis.

Ralf Pitter

known forHearing Test: Ear Age Check

1 app0.0Health & Fitness

This app provides a one-time purchase alternative for hearing screening and tinnitus relief, targeting users who avoid subscriptions.

Shenzhen Yiken Technology Co.

known fordB Decibel Meter - Noise Level

1 app4.5Utilities

Monitors noise levels for health and safety, providing a user-friendly tool for general acoustic awareness.

Tigran Mkhitaryan

known forCar Inclineometer Tilt Meter

1 app0.0Utilities

It uses the same accelerometer and gyro hardware as ClinoScope but is designed for off-road vehicle navigation.

Yerim Lab

known forSensor-Stream

1 app5.0Utilities

Users report: This app focuses on the same raw data capture as ClinoScope but adds multi-device streaming for researchers.

The Analyst's Read

The bottom line on TOON

Bottom line

The publisher is a highly focused utility developer that has successfully carved out a niche in technical acoustic measurement. Their consistent update cadence suggests a stable, long-term maintenance strategy for a portfolio of specialized tools.

Frequently asked questions

How many apps does TOON publish?
TOON has 15 apps tracked by Marlvel, primarily in the Utilities category.
What kind of apps does TOON make?
TOON's portfolio is concentrated in Utilities and Health & Fitness, with an average rating of 2.7/5 across rated apps.
What is TOON's top app?
By review volume across the portfolio, Audio Tone Generator Plus is TOON's best-known app tracked by Marlvel.
In how many countries are TOON's apps available?
Marlvel has tracked TOON's apps across 8 countries.

What fed this analysis

Apps analyzed:
15
With full intel:
0
With overview:
15
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by TOON, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “TOON intelligence.” Updated 2026-04-30. https://marlvel.ai/publishers/toon-llc

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Data licensed under CC-BY-NC 4.0