Geeps: AI Chat BYOK icon

Sergii Kozak

For developers, researchers, and AI power users who prioritize granular control over model settings and infrastructure.

1app5.0(1)Developer Tools

Snapshot

Who is Sergii Kozak?

Providing a native, multi-model AI chat interface for power users. Enables direct access to leading LLMs via personal API keys.

Target audience

DevelopersResearchersAI power users who prioritize granular control over model settings

Rivals analysis in progress

Portfolio

Free 1
1
app
Developer Tools1

Last updated

Geeps: AI Chat BYOK

v1.6

5mo ago

Maintenance

Publisher DNA

What defines Sergii Kozak?

Publisher DNA

Primary focus

Developer tools and AI utility applications

Scale

indie

Target audience

Developers, researchers, and AI power users who prioritize granular control over model settings and infrastructure.

Signature Patterns

  • BYOK (Bring Your Own Key) monetization model
  • Native cross-platform support for iOS, iPadOS, and macOS
  • Integration with multiple LLM providers including OpenAI, Anthropic, and Google
  • Support for custom OpenAI-compatible endpoints
Maintenance

Portfolio momentum

Released 2 updates in the last 6 months for their single active application.

Last release 59d agoActive apps 1

Portfolio

What does Sergii Kozak ship?

Apps

1 app analysed

The Analyst's Read

The bottom line on Sergii Kozak

Bottom line

Geeps is a niche, utility-focused tool that successfully targets the power-user segment by removing the middleman from AI model access. Its long-term viability depends on maintaining parity with rapidly evolving LLM API standards.

Frequently asked questions

How many apps does Sergii Kozak publish?
Sergii Kozak has 1 app tracked by Marlvel, primarily in the Developer Tools category.
What kind of apps does Sergii Kozak make?
Sergii Kozak's portfolio is concentrated in Developer Tools, with an average rating of 5.0/5 across rated apps.
What is Sergii Kozak's top app?
By review volume across the portfolio, Geeps: AI Chat BYOK is Sergii Kozak's best-known app tracked by Marlvel.

What fed this analysis

Apps analyzed:
1
With full intel:
0
With overview:
1
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 Sergii Kozak, 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. “Sergii Kozak intelligence.” Updated 2026-05-09. https://marlvel.ai/publishers/sergii-kozak

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Data licensed under CC-BY-NC 4.0