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Kairoos Solutions SL

For students, writers, and business professionals seeking mobile-first solutions for document editing, PDF annotation, and AI-assisted content creation.

38apps3.0(194K) Multi-theme

Snapshot

Who is Kairoos Solutions SL?

Equipping mobile users with versatile document management and AI-assisted productivity tools. Streamlining workflows for writers, students, and professionals.

Target audience

StudentsWritersBusiness professionals seeking mobile-first solutions for document editing

Active nemesis

婷婷 乔

Other rivals

Portfolio

Free 33
38
apps
Productivity23
Business8
Book1
Graphics & Design1

Last updated

FreeTTS - Text to Speech, AI

v7.7.5

6mo ago

Active

Publisher DNA

What defines Kairoos Solutions SL?

Publisher DNA

Primary focus

Productivity and document management tools

Scale

studio

Target audience

Students, writers, and business professionals seeking mobile-first solutions for document editing, PDF annotation, and AI-assisted content creation.

Signature Patterns

  • •Heavy integration of generative AI features across document and text-to-speech tools
  • •Dual-track monetization strategy using free ad-supported apps alongside paid 'Pro' versions
  • •Strong focus on PDF annotation and cross-format document compatibility
  • •High concentration of apps within the Productivity and Business categories
Active

Portfolio momentum

Released 7 updates across 36 apps in the last 6 months, maintaining a consistent cadence of feature refreshes for their core productivity suite.

Last release 20d agoActive apps 15Abandoned 8

Portfolio

What does Kairoos Solutions SL ship?

Distributed across 20 markets, strongest in Europe.

Based on 2 of 38 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (4)

  • Brazil2 / 2
  • Mexico2 / 2
  • United States2 / 2
  • Canada1 / 2

Europe (9)

  • France2 / 2
  • Germany2 / 2
  • Italy2 / 2
  • Portugal2 / 2
  • Spain2 / 2
›+4 more europe markets
  • Netherlands1 / 2
  • Sweden1 / 2
  • Turkey1 / 2
  • United Kingdom1 / 2

Asia-Pacific (7)

  • Japan2 / 2
  • Australia1 / 2
  • India1 / 2
  • Indonesia1 / 2
  • Singapore1 / 2
›+2 more asia-pacific markets
  • South Korea1 / 2
  • Vietnam1 / 2

Core markets (2/2 apps)

BrazilFranceGermanyItalyJapanMexicoPortugalSpainUnited States

Rivals

Who does Kairoos Solutions SL compete with?

The rivals identified

Nemeses(1)

婷婷 乔

known forEpub Reader -read epub,chm,txt

1 app4.5Book

Both applications target users requiring multi-format document and media viewing, creating direct competition for the same mobile reading audience.

Contenders(10)

Bluefire Productions

known forBluefire Reader

1 app4.6Book

Both applications occupy the same four dollar and ninety-nine cent price point and target users managing personal document libraries.

Konstantin Bukreev

known forKyBook 2 Ebook Reader

2 apps4.7Book

KyBook 2 supports major eBook formats and OPDS catalogs for independent readers.

Manh Toan Nguyen

known forEBook Libre - Illimité

1 app4.4Book

Both applications target users seeking AI-assisted reading and document management, creating direct competition for the same content consumption workflow.

NeatReader

known forEPUB Reader - Neat

1 app3.0Book

Both applications target users seeking EPUB reading capabilities, creating direct competition for the same document-consumption audience. The rivalry centers on the trade-off between the paid, multi-format versatility of Books Pro and the free, EPUB-focused cloud synchronization of Neat Reader.

PETR JAHODA

known forEPUB Reader - justRead

1 app4.7Book

Both apps target users seeking a consolidated reader for eBooks, documents, and audiobooks, creating direct competition for the same file-management use case.

READERA EOOD

known forReadEra – book reader pdf epub

1 app4.8Book

Both applications target users seeking a consolidated, multi-format document and media reader, creating direct competition for users prioritizing file format flexibility.

Readest

known forReadest: EPUB & PDF Reader

1 app4.7Book

Readest competes directly with Books Pro by targeting users who manage large digital libraries, offering a free, open-source alternative to the paid Books Pro model.

ReadingApp

known foreBoox: ePub PDF e-book Reader

1 app4.7Book

eBoox competes by offering a free, ad-free multi-format reader that overlaps with the core document and archive handling capabilities of Books Pro.

Readium

known forThorium Reader

1 app4.3Book

Both applications target users seeking a centralized hub for document and media consumption, with Thorium Reader providing a free alternative to the paid Books Pro model.

Tatsumi-system Co.

known forSideBooks

1 app4.6Book

Both applications target users seeking document management and reading tools, with SideBooks competing directly for PDF-heavy users through a free, specialized interface.

Same space(18)

AMZN Mobile

known forAmazon Kindle: Reading App

1 app4.9Book

Amazon Kindle serves as a primary distribution channel for digital books and subscription content, contrasting with the general-purpose file viewer approach.

AppStance

known forzLibrary - EPUB Reader & PDF

1 app4.2Book

EPUB, PDF Leser, Buch offers a curated library of public domain ebooks with a minimalist design.

Beat Raess

known forYomu EBook Reader

1 app4.8Book

Yomu EBook Reader focuses on a distraction-free reading experience for various eBook formats.

Dominic Rodemer

known forPDF Pro - Reader Editor Forms

1 app4.7Book

PDF Pro focuses on professional-grade document management and form completion for mobile users.

Good.iWare

known forGoodReader PDF Editor & Viewer

1 app4.7Book

GoodReader combines document viewing with file management for iOS power users.

iLovePDF

known foriLovePDF - PDF Editor & Scan

2 apps4.6Book

iLovePDF offers a suite of document management tools including OCR and scanning for mobile productivity.

Jatisari Inovasi Studio

known forApple Books

1 app4.4Book

Apple Books offers a subscription-free hub for digital reading and listening integrated directly into the Apple hardware ecosystem.

KINGSOFT OFFICE SOFTWARE CORPORATION

known forWPS Office-AI Doc, PDF, Sheet

1 app4.8Book

WPS Office integrates AI-driven tools for document and spreadsheet management, targeting mobile professionals.

Next Performance Germany

known fortolino - eBooks & audiobooks

1 app4.0Book

tolino provides a digital library for eBooks and audiobooks through partnerships with specific bookstores.

OverDrive

known forLibby, the library app

1 app4.9Book

Libby leverages institutional library partnerships to provide free access to digital books and audiobooks, serving budget-conscious readers.

Pocketbook International SA

known forPocketBook Reader

2 apps4.2Book

PocketBook Reader provides a multi-format reading experience that syncs with dedicated E Ink hardware.

PSPDFKit

known forPDF Viewer by Nutrient

1 app4.6Book

PDF Viewer provides a streamlined interface for viewing and annotating PDF documents via Apple's document browser.

Rakuten Kobo

known forKobo Books & Audiobooks

1 app4.5Book

Kobo Books serves readers and audiobook listeners through a curated library and hardware integration.

Readdle Technologies

known forPDF Expert: Editor & Converter

2 apps4.7Book

PDF Expert focuses on desktop-grade PDF workflows for Apple device users, serving as a specialized alternative for document management.

TapMedia

known forFile Manager & Browser

1 app4.7Book

File Manager & Browser provides a centralized hub for local, cloud, and network-attached storage, competing on utility for file organization.

Wondershare Technology (Hunan) Co.

known forPDF Reader – PDFelement

1 app4.3Book

PDFelement targets professionals needing mobile PDF reading and annotation capabilities.

Yajing Qian

known foriFiles - File Manager Browser

1 app4.7Book

iFiles acts as an all-in-one file manager and media hub for organizing and viewing diverse file types.

书敏 贾

known foriRAR - zip,rar,7z file opener

1 app4.7Book

iRAR serves as a specialized archiver for decompressing and managing compressed file formats.

New entrants(1)

ROOSTERX GLOBAL COMPANY

known forPDF ProX: PDF Reader & Editor

1 app0.0Book

PDF ProX functions as a document scanner and editor for mobile users.

The Analyst's Read

The bottom line on Kairoos Solutions SL

Bottom line

Kairoos Solutions is a disciplined studio that effectively monetizes the productivity niche through a fragmented, multi-app strategy. Their ability to maintain high ratings on high-volume utility tools suggests a strong understanding of mobile user workflows.

Frequently asked questions

How many apps does Kairoos Solutions SL publish?
Kairoos Solutions SL has 38 apps tracked by Marlvel, primarily in the Productivity category.
What kind of apps does Kairoos Solutions SL make?
Kairoos Solutions SL's portfolio is concentrated in Productivity and Business, with an average rating of 3.0/5 across rated apps.
What is Kairoos Solutions SL's top app?
By review volume across the portfolio, FreeTTS - Text to Speech, AI is Kairoos Solutions SL's best-known app tracked by Marlvel.
In how many countries are Kairoos Solutions SL's apps available?
Marlvel has tracked Kairoos Solutions SL's apps across 20 countries.

What fed this analysis

Apps analyzed:
36
With full intel:
0
With overview:
36
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 Kairoos Solutions SL, 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. “Kairoos Solutions SL intelligence.” Updated 2026-04-30. https://marlvel.ai/publishers/kairoos-solutions-sl

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Data licensed under CC-BY-NC 4.0