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MobiSystems

For professionals, students, and language learners requiring reliable, offline-capable reference materials and mobile document editing.

22apps3.8(355K) Multi-theme

Snapshot

Who is MobiSystems?

Providing professional-grade productivity and linguistic reference tools for mobile users. Enabling efficient document management and real-time communication on the go.

Target audience

ProfessionalsStudentsLanguage learners requiring reliable

Top rival

Merriam-Webster

Other rivals

Portfolio

Free 12
22
apps
Reference14
Business4
Medical2
Productivity2

Last updated

Webster’s College Dictionary

v16.0.2

10mo ago

Intense

Publisher DNA

What defines MobiSystems?

Publisher DNA

Primary focus

Productivity suites and linguistic reference tools

Scale

studio

Target audience

Professionals, students, and language learners requiring reliable, offline-capable reference materials and mobile document editing.

Signature Patterns

  • •Heavy reliance on licensed, authoritative content for reference apps
  • •Freemium monetization model across productivity and translation tools
  • •Strong emphasis on cross-platform compatibility and cloud synchronization
  • •Integration of document scanning and OCR capabilities into productivity workflows
Intense

Portfolio momentum

Released 24 updates across the portfolio in the last 6 months, indicating a high-frequency development cycle focused on maintaining core productivity and reference titles.

Last release 15d agoActive apps 14Abandoned 12

Portfolio

What does MobiSystems ship?

Apps

22 apps analysed

Camera-based lookup provides high-utility engagement for language learners.

  • Bank of English database provides academic credibility that acts as a defensible brand moat.

Offline-first architecture reduces dependency on constant internet connectivity

  • Unabridged content library functions as a professional-grade reference barrier

Distributed across 18 markets, strongest in Americas.

Based on 6 of 22 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (4)

  • United States6 / 6
  • Brazil1 / 6
  • Canada1 / 6
  • Mexico1 / 6

Europe (8)

  • France1 / 6
  • Germany1 / 6
  • Italy1 / 6
  • Portugal1 / 6
  • Spain1 / 6
›+3 more europe markets
  • Sweden1 / 6
  • Turkey1 / 6
  • United Kingdom1 / 6

Asia-Pacific (6)

  • Australia1 / 6
  • India1 / 6
  • Indonesia1 / 6
  • Japan1 / 6
  • Singapore1 / 6
›+1 more asia-pacific market
  • Vietnam1 / 6

Core markets (6/6 apps)

United States

User Sentiment

How do users feel about their apps?

1

Positive apps

0

Neutral / mixed

0

Negative apps

75/100

Avg sentiment score

Rivals

Who does MobiSystems compete with?

The rivals identified

Nemeses(4)

Atmosphere Apps

known forMedical Dictionary 25th Ed.

2 apps4.8Medical

Both applications target medical students and healthcare professionals with searchable medical terminology databases, creating direct competition for professional reference usage.

FB PUBLISHING

known forAfrikaans-English Dictionary

4 apps4.4Reference

Both apps target language learners and students requiring offline reference tools, creating direct competition for users seeking bilingual or comprehensive linguistic data.

Microsoft

known forMicrosoft Word: Edit Documents

1 app4.8Productivity

Microsoft Word competes with MobiPDF by offering document editing and PDF conversion tools that target the same mobile professional audience.

Nemo Apps

known forIrish Gaelic by Nemo

1 app4.7Reference

Both apps target the Irish language learning market, forcing a choice between the authoritative reference utility of Collins Irish Dictionary and the conversational, freemium-based skill acquisition model of Irish Gaelic by Nemo.

Contenders(18)

Adkins Studio

known forAll Document Explor

1 app4.1Productivity

Both applications target mobile users requiring document management and scanning capabilities, competing for the same productivity-focused audience through overlapping file handling features.

Adobe

known forAdobe Acrobat Reader: Edit PDF

1 app4.5Productivity

Adobe Acrobat Reader competes with MobiPDF by targeting the same mobile document management audience with overlapping PDF editing, signing, and scanning capabilities.

Casey Rogers

known forRogers Dictionary

1 app5.0Medical

Both apps target healthcare professionals and students with free, searchable medical terminology references. They compete directly for users seeking quick access to clinical definitions and terminology.

EAGLE APPS

known forPDF Reader, Editor & Scanner

1 app3.9Productivity

Both applications target mobile users requiring document management, specifically PDF scanning and editing. They compete for the same audience by offering overlapping freemium utility tools for document processing.

Efficient Tools

known forPDF Reader - PDF Editor

1 app4.8Productivity

Both apps target mobile document management with freemium models, competing for users who need to read, edit, and convert documents on mobile devices.

Farlex

known forDictionary.

4 apps4.7Medical

Aggregates multiple high-authority publishers into one interface for users needing broader reference coverage than a single dictionary.

iLovePDF

known foriLovePDF - PDF Editor & Scan

2 apps4.6Productivity

Both apps target mobile professionals requiring document scanning, OCR, and PDF editing, creating direct competition for the same productivity-focused user base.

INTSIG PTE

known forCamScanner- scanner, PDF maker

1 app4.6Productivity

Both applications target mobile professionals requiring document digitization and editing, with significant overlap in OCR technology and PDF management workflows.

JDMI Kft.

known forAdvanced English Dictionary HD

1 app4.3Reference

Both apps target language learners and professionals with offline-first reference tools, but the rival's freemium model directly challenges the $39.99 entry barrier of Collins Dictionary & Thesaurus.

Nguyen Thi Hoai Thu

known forAdvanced Dictionary: LDOCE 6th

1 app4.9Reference

Both apps target English language learners and professionals with paid, offline-capable reference tools. They compete directly for the same user base seeking comprehensive, unabridged linguistic data.

QR Code Scanner.

known forDocument Reader & PDF Editor

1 app4.5Productivity

Both applications target mobile professionals and students requiring document management, with direct overlap in PDF editing and document scanning functionality.

Skyscape Medpresso

known forDavis’s Drug Guide for Nurses

4 apps5.0Medical

Supplies drug monographs for nursing students who need specific medication data and dosing calculators.

Trang Hoai

known forGaelic etymology dictionary

1 app0.0Reference

Both apps target language learners and students, competing for the same niche audience seeking offline reference tools for Gaelic and Irish vocabulary.

Ultralingua

known forCollins Italian-English

1 app4.7Reference

Both apps utilize HarperCollins lexicographical data to serve academic and professional users through offline-first, paid-only models. They compete directly for the same segment that prioritizes data accuracy over the ad-supported, freemium alternatives common in the current market.

Unbound Medicine

known for5 Minute Clinical Consult

4 apps4.9Medical

Provides evidence-based diagnostic algorithms for clinicians who need rapid decision support during patient consultations.

Vialle;

known forPDF Jumper & Document Reader

1 app3.8Productivity

Both apps target mobile professionals and students needing document scanning and PDF management, creating direct competition for the same user base.

WPS SOFTWARE PTE

known forWPS Office-PDF, Word, Sheet

1 app4.4Productivity

WPS Office competes with MobiPDF by bundling PDF editing with Word, Excel, and PowerPoint support, capturing users who require a single application for all document formats.

Xingying Tech

known forPDF Creator Pro

1 app4.3Productivity

Both applications target mobile users requiring document management, with overlapping functionality in PDF scanning, file manipulation, and document markup.

Same space(22)

Merriam-Webster

known forMerriam-Webster Dictionary

1 app4.8MedicalReference

Merriam-Webster acts as a scholarly reference peer that competes for the same student and educator audience through high-trust brand authority.

3D4Medical from Elsevier

known forComplete Anatomy for iPhone

2 apps3.4Medical

Provides clinical-grade dissection tools for users who need advanced 3D depth beyond standard dictionary entries.

3DMedical OU

known forAnatomy Learning - 3D Anatomy

1 app4.7Medical

Targets academic institutions with 3D models that replace static diagrams for students needing spatial understanding.

Ameer Moosa

known forHuman Anatomy 3D - Medical

1 app3.6Medical

Offers interactive 3D models for students who need visual aids for internal organ systems.

Animeni

known forPDF Reader Home App

1 app4.3Productivity

This app combines document reading with home screen management, appealing to users who want to consolidate their interface.

Bhavikaben Motisariya

known forEnglish Scots Gaelic Trans

1 app0.0Reference

English Scots Gaelic Trans provides a direct translation utility for users who need quick, functional communication between English and Gaelic.

Bluewhale Studio

known forOne PDF Home - Reader Launcher

1 app2.9Productivity

This app integrates document management directly into the Android home screen, targeting users who want constant access.

Bui Hoai Trang

known forDictionary of Collocations

1 app3.3Reference

This app targets the same language learner segment as Collins by focusing on specific word combinations rather than general definitions.

Catfish Animation Studio

known forAnatomy 3D Atlas

3 apps4.6Medical

Serves as a visual reference for medical students who need 3D models beyond the text-based definitions in Dorland's.

Daily Tool Labs

known forAll Translate: Photo, PDF, DOC

1 app4.6Productivity

This app focuses on language translation for documents, serving users who need multilingual support rather than just editing.

Education Mobile

known for3D Bones and Muscles (Anatomy)

2 apps4.6Medical

Provides an ad-free 3D study interface for users who need interactive visualization without monetization interruptions.

Epocrates

known forepocrates: Drug Info & Pill ID

1 app2.7Medical

Delivers clinical drug references for professionals who need interaction checkers and pill identification in their daily practice.

FirstOrder.Apps

known forPrinter App: Print & Scan PDF

1 app4.5Productivity

This app targets the same mobile-to-printer workflow as MobiPDF but focuses on physical output rather than digital editing.

IMAIOS

known forIMAIOS e-Anatomy

1 app4.1Medical

Provides a multi-modality image atlas for clinicians who need visual confirmation of anatomical structures described in dictionaries.

Kenhub

known forDaily Anatomy Flashcards

1 app4.7Medical

Acts as a beginner-friendly study companion for users building foundational knowledge before using advanced medical dictionaries.

MediSearch

known forMediSearch AI

1 app3.8Medical

Functions as a research-based search tool for health queries that require synthesis of scientific publications.

Nullbyte Labs

known forPDF File Plus

1 app4.3Productivity

This app provides basic viewing and annotation tools for users who need simple document interaction without advanced editing.

RusMate.co.uk

known forScottish Gaelic Verb Blitz

1 app4.5Reference

Scottish Gaelic Verb Blitz targets a similar niche of Celtic language learners by focusing on interactive grammar drills rather than general vocabulary reference.

TeachMeSeries

known forTeachMe Anatomy: 3D Human Body

1 app4.8Medical

Combines textbook content with 3D models for students who need integrated visual and theoretical study aids.

Theo Hoffenberg

known forReverso translate and learn

1 app4.7Reference

Reverso serves as a high-frequency alternative for language learners who require contextual sentence examples and spaced repetition beyond static dictionary definitions.

Visible Body Apps

known forHuman Anatomy Atlas 2026

1 app4.8Medical

Provides a high-fidelity 3D reference for students who require interactive anatomical visualization alongside their dictionary lookups.

XuanLong Studio

known forAll Document Guide

1 app4.4Productivity

This tool acts as a general file browser for multiple formats, competing for the same document management space.

New entrants(2)

CHENG QIAO

known forMedTerms: Medical Terminology

1 app0.0Medical

Teaches medical terminology through logic-based decoding for students who want to understand word parts rather than rote memorization.

RER MedApps

known forAnatomy 3D Atlas: Human Body

1 app0.0Medical

Provides a 3D reference for students who need to examine anatomical structures from multiple angles.

The Analyst's Read

The bottom line on MobiSystems

Bottom line

MobiSystems is a well-established player that successfully bridges the gap between static reference content and active productivity workflows. Their ability to maintain high user engagement across a diverse set of legacy dictionary apps while scaling a modern office suite demonstrates strong product-market fit.

Frequently asked questions

How many apps does MobiSystems publish?
MobiSystems has 22 apps tracked by Marlvel, primarily in the Reference category.
What kind of apps does MobiSystems make?
MobiSystems's portfolio is concentrated in Reference and Business, with an average rating of 3.8/5 across rated apps.
What is MobiSystems's top app?
By review volume across the portfolio, Webster’s College Dictionary is MobiSystems's best-known app tracked by Marlvel.
In how many countries are MobiSystems's apps available?
Marlvel has tracked MobiSystems's apps across 18 countries.

What fed this analysis

Apps analyzed:
26
With full intel:
0
With overview:
26
Website scraped:
yes
Social presence:
yes

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 MobiSystems, 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. “MobiSystems intelligence.” Updated 2026-04-30. https://marlvel.ai/publishers/mobisystems-inc

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Data licensed under CC-BY-NC 4.0