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+4

Koki Osada

For athletes, coaches, and medical students seeking high-precision timing tools or structured learning aids for complex subject matter.

7apps2.8(108) Multi-theme

Snapshot

Who is Koki Osada?

Developing specialized timing and educational tools for athletes and medical students. Bridging the gap between IT, healthcare, and sports performance.

Target audience

AthletesCoachesMedical students seeking high-precision timing tools or structured learning aids for complex subject matter

Rivals analysis in progress

Portfolio

Free 7
7
apps
Education2
Health & Fitness1
Lifestyle1
Productivity1

Last updated

Multi-Timer; Stopwatch & Timer

v7.3.4

5mo ago

Intense

Publisher DNA

What defines Koki Osada?

Publisher DNA

Primary focus

Niche utility and educational tools for sports and medicine

Scale

indie

Target audience

Athletes, coaches, and medical students seeking high-precision timing tools or structured learning aids for complex subject matter.

Origin

Developed by a medical resident and competitive runner aiming to bridge the gap between IT, healthcare, and athletics.

Signature Patterns

  • High concentration of precision timing and measurement tools
  • Integration of video analysis with standard utility functions
  • Freemium and free-to-use pricing models across the portfolio
  • Targeting of specific professional or athletic workflows rather than general consumer use cases
Intense

Portfolio momentum

With 19 releases in the last 6 months and a major update occurring within the last week, the publisher maintains a highly active development cycle.

Last release 5d agoActive apps 4Abandoned 3

Portfolio

What does Koki Osada ship?

Distributed across 17 markets, strongest in Asia-Pacific.

Based on 3 of 7 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (4)

  • United States3 / 3
  • Brazil1 / 3
  • Canada1 / 3
  • Mexico1 / 3

Europe (6)

  • France1 / 3
  • Germany1 / 3
  • Portugal1 / 3
  • Spain1 / 3
  • Turkey1 / 3
+1 more europe market
  • United Kingdom1 / 3

Asia-Pacific (7)

  • Japan3 / 3
  • Australia1 / 3
  • India1 / 3
  • Indonesia1 / 3
  • Singapore1 / 3
+2 more asia-pacific markets
  • South Korea1 / 3
  • Vietnam1 / 3

Core markets (3/3 apps)

JapanUnited States

The Analyst's Read

The bottom line on Koki Osada

Bottom line

This publisher demonstrates strong technical focus in niche performance and educational verticals. Their ability to maintain a high release velocity while balancing professional commitments suggests a sustainable, founder-driven development model.

Frequently asked questions

How many apps does Koki Osada publish?
Koki Osada has 7 apps tracked by Marlvel, primarily in the Education category.
What kind of apps does Koki Osada make?
Koki Osada's portfolio is concentrated in Education and Health & Fitness, with an average rating of 2.8/5 across rated apps.
What is Koki Osada's top app?
By review volume across the portfolio, Multi-Timer; Stopwatch & Timer is Koki Osada's best-known app tracked by Marlvel.
In how many countries are Koki Osada's apps available?
Marlvel has tracked Koki Osada's apps across 17 countries.

What fed this analysis

Apps analyzed:
7
With full intel:
0
With overview:
7
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 Koki Osada, 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. “Koki Osada intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/koki-osada

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Data licensed under CC-BY-NC 4.0