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mysteryfiles.nl

For individual users seeking specialized tools for health monitoring, mental wellness, and minimalist personal organization.

27apps1.5(62.6K) Multi-theme

Snapshot

Who is mysteryfiles.nl?

Developing specialized utility and productivity tools designed to solve specific user needs in health tracking and personal organization.

Target audience

Individual users seeking specialized tools for health monitoringMental wellnessMinimalist personal organization

Active nemesis

Andrii Bondarenko

Other rivals

Portfolio

Free 9
27
apps
Productivity12
Medical4
Health & Fitness3
Photo & Video2

Last updated

My Health Widget

v5.3.1.1

5mo ago

Intense

Publisher DNA

What defines mysteryfiles.nl?

Publisher DNA

Primary focus

Niche utility and productivity tools

Scale

studio

Target audience

Individual users seeking specialized tools for health monitoring, mental wellness, and minimalist personal organization.

Origin

An extension of the Mystery Files blog, focused on creating diverse iOS applications and utilities.

Signature Patterns

  • •Strong concentration in the Productivity category, accounting for 46% of the portfolio.
  • •Focus on minimalist, single-function utilities that avoid complex feature sets.
  • •Hybrid monetization model utilizing both free utility apps and paid medical/health reference tools.
  • •Frequent release cadence of new titles to test niche market fit, particularly in the productivity and health sectors.
Intense

Portfolio momentum

The publisher is in a high-output phase with 15 releases in the last 6 months and a major release occurring as recently as today.

Last release 0d agoActive apps 12Abandoned 12

Portfolio

What does mysteryfiles.nl ship?

Americas-centric footprint across 2 markets.

Based on 11 of 27 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States11 / 11

Europe (1)

  • Netherlands4 / 11

Core markets (11/11 apps)

United States

User Sentiment

How do users feel about their apps?

0

Positive apps

1

Neutral / mixed

0

Negative apps

50/100

Avg sentiment score

Rivals

Who does mysteryfiles.nl compete with?

The rivals identified

Nemeses(2)

Andrii Bondarenko

known forEMDR Tappers

1 app4.8Medical

Both apps target individuals seeking home-based bilateral stimulation therapy, with direct overlap in session customization and guided stimulation features.

BeReal

known forBeReal: Photos & Friends Daily

1 app4.8Social Networking

Directly competes for the 'safe, authentic social' niche by enforcing daily, unedited content sharing.

Contenders(11)

Audiosdroid OU

known forEMDR Sound Relax

2 apps4.8Medical

Both apps target users seeking bilateral stimulation therapy, with EMDR 101 providing clinical session structures and EMDR Sound Relax offering nature-themed relaxation.

BUMBLE BLS

known forBumble BLS

1 app3.8Medical

Both apps target the bilateral stimulation market for EMDR therapy, with Bumble BLS focusing on hardware-integrated physical stimulation while EMDR 101 provides software-only guided sessions.

garfmedya

known forEMDR Therapy

1 appMedical

Both applications target individuals seeking home-based EMDR therapy tools, competing directly for users interested in self-directed bilateral stimulation.

HEAL APP FOR INTERNET CONTENT PROVIDER

known forHeal EMDR: Self-Guided Therapy

1 app4.9Medical

Both apps target individuals seeking home-based EMDR therapy, with Heal EMDR capturing a larger user base through a free model that directly competes with the paid structure of EMDR 101.

Joya Communications

known forMarco Polo - Video Messenger

1 app4.8Social Networking

Focuses on asynchronous video communication to foster deeper, more intimate connections than traditional feeds.

Krasamo

known forBSDR Player

1 app4.1Medical

Both apps target individuals seeking self-directed bilateral stimulation for mental health, competing directly for the same user base through paid, specialized therapy-aid models.

Linsay Associates

known forEMDR Therapy

1 app4.1Medical

Both apps provide bilateral stimulation tools for EMDR therapy, competing for the same user base of patients and clinicians seeking digital session support.

Nicholas Giarraputo

known forExhale - Anxiety Assistant

1 app4.9Medical

Both apps target individuals managing mental health through EMDR-based bilateral stimulation, creating direct competition for users seeking home-based therapeutic tools.

SE Factory B.V.

known forEMDR kit

1 app3.8Medical

Both applications target the EMDR therapy market, though they diverge in their core delivery mechanism: EMDR 101 provides a standalone software experience, while EMDR kit functions as a controller for proprietary external hardware.

Signal Messenger

known forSignal - Private Messenger

1 app4.7Social Networking

Targets the same 'safe space' value proposition through a privacy-first, non-commercial architecture.

trauma and pain management services pty

known forAnxiety Release based on EMDR

2 apps4.4Medical

Both apps target the same niche of home-based EMDR therapy and share an identical 4.99 dollar upfront pricing model.

Same space(11)

Auxbrain

known forEgg, Inc.

1 app4.7Games

A leading idle-clicker that captures the 'passive progress' market segment the target app attempts to gamify.

Bas Oppenheim

known forEMDR

1 app4.4Medical

This app serves as a hardware-focused alternative for users requiring advanced tactile or cross-device bilateral stimulation support.

EMDRSTORE

known forEMDR Online

1 appMedical

This platform targets the professional segment of the EMDR 101 audience by enabling remote supervision during therapy sessions.

EYEWIND

known forBrain Out -Tricky riddle games

1 app4.5Games

Dominates the casual, short-session puzzle space that overlaps with the target's 'boredom-killer' value proposition.

Fanatee

known forCodyCross: Crossword Puzzles

1 app4.7Games

Offers a structured, thematic puzzle experience that competes for the same 'waiting in line' attention share.

Instagram

known forThreads

1 app4.0Social Networking

Adjacent social networking platform that leverages existing network effects to dominate text-based conversation.

Life360

known forLife360: Family Safety & GPS

1 app4.8Social Networking

Adjacent social utility focused on safety and location-based connection rather than content sharing.

Plato Team

known forPlato: Fun Multiplayer Games

1 app4.7Social Networking

Adjacent social platform using gamification as the primary driver for user interaction and retention.

Skype Communications S.a.r.l

known forGroupMe

1 app4.7Social Networking

Adjacent group communication tool focused on utility-driven coordination rather than social broadcasting.

This app provides a structured reflection and tracking workflow that complements the clinical practice sessions found in EMDR 101.

Tumblr

known forTumblr: Social Media & Art

1 app3.8Social Networking

Legacy social platform that serves as a hub for niche communities and interest-based content discovery.

New entrants(3)

SLAY

known forFriends – Pengu, Bao & Mellow

1 app4.9Social Networking

Emerging social app focused on high-frequency, low-friction interaction between close friend groups.

Supercent

known forBurger Please!

1 app4.4Games

Rapidly iterating idle-management game that demonstrates high velocity in the casual mobile market.

Vita Studio

known forVita Solitaire for Seniors

1 app4.8Games

High release velocity indicates a strong focus on optimizing UX for specific demographic segments.

The Analyst's Read

The bottom line on mysteryfiles.nl

Bottom line

Mysteryfiles.nl is a prolific studio that excels at capturing niche utility markets through a high-velocity release strategy. Their ability to maintain a weighted 3.51★ rating across a diverse, 26-app portfolio suggests a disciplined approach to functional app design.

Frequently asked questions

How many apps does mysteryfiles.nl publish?
mysteryfiles.nl has 27 apps tracked by Marlvel, primarily in the Productivity category.
What kind of apps does mysteryfiles.nl make?
mysteryfiles.nl's portfolio is concentrated in Productivity and Medical, with an average rating of 1.5/5 across rated apps.
What is mysteryfiles.nl's top app?
By review volume across the portfolio, My Health Widget is mysteryfiles.nl's best-known app tracked by Marlvel.
In how many countries are mysteryfiles.nl's apps available?
Marlvel has tracked mysteryfiles.nl's apps across 2 countries.

What fed this analysis

Apps analyzed:
26
With full intel:
0
With overview:
26
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 mysteryfiles.nl, 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. “mysteryfiles.nl intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/mysteryfiles-nl

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Data licensed under CC-BY-NC 4.0