MixPlay routine-music player icon
Music Player Pro icon
Stop the Groomer icon
+2

Corey Stone

For general Android users, including students, professionals, and individuals seeking simple tools for audio recording, music playback, and hydration tracking.

5apps4.4(951.9K) Multi-theme

Snapshot

Who is Corey Stone?

Providing utility-focused mobile tools for audio management, health tracking, and personal safety. Helping users optimize daily routines through accessible Android applications.

Target audience

General Android usersIncluding studentsProfessionals

Active nemesis

Anytune

Other rivals

Portfolio

Free 3
5
apps
Music & Audio2
Education1
Health & Fitness1
Music1

Last updated

voice recorder

v88.1

8mo ago

Steady

Publisher DNA

What defines Corey Stone?

Publisher DNA

Primary focus

Utility apps · Music, audio, and health tracking

Scale

indie

Target audience

General Android users, including students, professionals, and individuals seeking simple tools for audio recording, music playback, and hydration tracking.

Origin

A developer of Android-focused utility applications emphasizing stable operation and modern design.

Signature Patterns

  • Strong focus on high-utility, single-purpose Android applications
  • Monetization strategy split between ad-supported free tiers and one-time paid purchases
  • Consistent emphasis on local file management and audio customization features
  • Targeting broad, non-specialized consumer needs in health and media
Steady

Portfolio momentum

Released 3 updates across 5 apps in the last 6 months, maintaining a consistent focus on core utility tools.

Last release 28d agoActive apps 4Abandoned 1

Portfolio

What does Corey Stone ship?

Apps

5 apps analysed

Coaches rely on the ability to jump between specific song sections to run efficient practice sessions

  • The simple and clean interface allows users to focus on audio playback without unnecessary distractions
  • Users report the app collects excessive data and cookies which feels like a deceptive privacy practice
Music Player Pro icon
Music Player Pro

Music Player without ads. Play mp3 & all music

4.6(5.4K)
View Intel →
voice recorder icon
voice recorder

voice recorder lecture recorder the choice for recording

4.8(540.9K)
View Intel →

Minimalist UI reduces cognitive load for quick-start recording

  • High-fidelity audio capture ensures clear playback even when recording from significant distances
  • Recording interruptions occur when the device screen locks following the latest update
Water Reminder - Remind Drink  icon
Water Reminder - Remind Drink

Reminds you to drink water, a great application that take care of your health.

4.8(405.6K)
View Intel →

20-drink menu increases logging utility

  • Simple and effective hydration tracking helps users build consistent daily water consumption habits
  • Inconsistent notification delivery causes users to lose their hydration tracking habit over time

User Sentiment

How do users feel about their apps?

3

Positive apps

0

Neutral / mixed

0

Negative apps

81/100

Avg sentiment score

Rivals

Who does Corey Stone compete with?

The rivals identified

Nemeses(3)

Anytune

known forAnytune Pro: Music Trainer 

1 app4.9Music

This app directly serves the niche of musicians and dancers requiring precise control over tempo and pitch for practice routines.

Elshan Aliyev

known forVoice Recorder Pro

1 app4.7Music & Audio

With over 1.3 million ratings and consistent updates, this app dominates the pure-play recording niche that our target app occupies.

My Water Drink Tracker Oy

known forMy Water: Daily Drink Tracker

1 app4.6Health & Fitness

This app is the most direct thematic competitor, focusing exclusively on water intake tracking with a massive user base and consistent update cadence.

Contenders(5)

Delight Room Co.

known forVoice Recorder & Audio Editor

1 app4.8Music & Audio

Provides a direct alternative with integrated editing capabilities that appeal to users needing post-recording functionality.

DigitAlchemy

known forVoice Recorder Plus: Rec Sound

1 app4.6Music & Audio

Maintains a consistent release cadence and serves the same core recording audience with a focus on sound quality.

Harald Meyer

known forMusic Speed Changer

1 app4.7Music

It dominates the tempo-adjustment utility space with a massive user base and consistent feature updates for practice-focused users.

MyNetDiary

known forCalorie Counter - MyNetDiary

1 app4.8Health & Fitness

A highly polished, feature-complete calorie and nutrient tracker that competes for the same 'health management' screen time.

Wombat Apps

known forCarb Manager—Keto Diet Tracker

1 app4.8Health & Fitness

A dominant force in the diet tracking space that captures the same health-conscious audience looking for automated logging.

Same space(10)

And a Dinosaur

known forMedley Music Player

1 app4.6Music

Functions as a general-purpose music player with a focus on library organization and user-friendly playback controls.

BandLab Singapore Pte

known forBandLab – Music Maker & Beats

1 app4.7Music

Operates in the broader music creation space, offering social collaboration features that extend beyond simple playback.

Bizcraft Apps

known forMP3 Converter - Video to MP3

2 apps4.8Music & Audio

Operates in the broader audio utility space, capturing users who need to extract audio from video content.

EVERAPPZ SL

known forEvermusic Pro: music player

1 app4.7Music

Serves as a high-utility cloud-integrated music player that competes for the same storage-conscious user demographic.

Lifesum AB

known forLifesum: AI Calorie Counter

1 app4.6Health & Fitness

Operates in the broader health and fitness category, focusing on holistic lifestyle management rather than just hydration.

MWM - AI Music and Creative Apps

known foredjing Mix - Music DJ app

1 appMusic

Focuses on active music manipulation and DJ-style performance rather than passive listening or library management.

Pacer Health

known forPacer Pedometer Step Counter

1 app4.9Health & Fitness

Adjacent health utility that focuses on physical activity tracking, sharing the same 'passive health monitoring' user intent.

Rainbow Factory LTD - Sticky Notes

known forPulsar Music Player

1 app4.6Music & Audio

While a music player, it competes for the same device storage and audio-focused user attention within the category.

Roman Burda

known forCloudBeats: Cloud Music Player

1 app4.7Music

Provides a similar cloud-centric playback experience, appealing to users who manage large personal music libraries.

Ultimate Guitar

known forUltimate Guitar: Chords & Tabs

1 app4.2Music

Dominates the educational and instructional music niche, serving users who want to learn rather than just listen.

New entrants(5)

Graham Hall

known forGroove - Local Music Player

1 app4.7Music

Shows high development velocity with nine releases in the last six months, indicating rapid feature iteration.

Hydrow

known forHydrow

1 app4.8Health & Fitness

High release velocity in the last six months indicates an aggressive push to capture market share in the fitness space.

High release velocity indicates an aggressive push to capture the emerging AI-assisted music creation market.

Streema

known forSimple Radio - FM AM Stations

1 app4.7Music

Maintains a high release cadence, suggesting a commitment to keeping the app relevant in a competitive market.

Suno

known forSuno - AI Songs, Music, Lyrics

1 app4.9Music

Represents a disruptive shift toward generative AI music creation, rapidly capturing market attention.

The Analyst's Read

The bottom line on Corey Stone

Bottom line

Corey Stone LLC maintains a stable, utility-focused portfolio with strong product-market fit in the Android audio and health categories. Their ability to drive high user engagement through simple, functional tools provides a solid foundation, though long-term growth will depend on evolving their monetization beyond basic ad-supported models.

Frequently asked questions

How many apps does Corey Stone publish?
Corey Stone has 5 apps tracked by Marlvel, primarily in the Music & Audio category.
What kind of apps does Corey Stone make?
Corey Stone's portfolio is concentrated in Music & Audio and Education, with an average rating of 4.4/5 across rated apps.
What is Corey Stone's top app?
By review volume across the portfolio, voice recorder is Corey Stone's best-known app tracked by Marlvel.

What fed this analysis

Apps analyzed:
5
With full intel:
1
With overview:
5
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 Corey Stone, 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. “Corey Stone intelligence.” Updated 2026-05-04. https://marlvel.ai/publishers/corey-stone-llc

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Data licensed under CC-BY-NC 4.0