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

Active nemesis

Perplexity AI

Other rivals

Portfolio

Free 1
1
app
Developer Tools1

Last updated

Geeps: AI Chat BYOK

v1.6

8mo 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

Rivals

Who does Sergii Kozak compete with?

The rivals identified

Nemeses(1)

Perplexity AI

known forPerplexity: AI Agent & Search

1 app4.8Developer Tools

Both apps target power users seeking advanced AI interaction, but they diverge on cost structure: Geeps uses a pay-as-you-go BYOK model while Perplexity relies on a high-friction subscription tier.

Contenders(10)

Brown Fox

known forSleek BYOK

1 app5.0Developer Tools

Both applications target power users seeking direct API access to LLMs without subscription markups, competing directly on the BYOK utility model.

Cheuk Yin Lau

known forLLM Local Client

1 app4.4Developer Tools

Both apps target technical users requiring mobile access to local or custom LLM endpoints, creating direct competition within the privacy-conscious developer segment.

Early Moon

known forOpenCat - Chat with AI bot

1 app4.6Developer Tools

Both apps target power users seeking privacy-focused, multi-model AI interfaces on Apple hardware. They compete directly for users who prioritize direct control over AI infrastructure and model settings.

EK Labs

known fordot ai | One app, Every Model

1 app3.7Developer Tools

Both apps aggregate multiple LLM providers into a single interface, directly competing for users seeking to consolidate AI access.

Folding Sky Co

known forCumbersome: AI LLM API Client

1 app4.9Developer Tools

Both applications target the technical power-user segment by utilizing a bring-your-own-key model to bypass subscription-based AI services. They compete directly for users who prioritize granular API control and cost management over mainstream AI interfaces.

JiHoon Kang

known forMy GPT - AI Client

1 app5.0Developer Tools

Both applications target the Bring Your Own Key market on iOS, allowing users to connect personal API credentials to a mobile interface for model interaction.

Kevin Tang

known forLocal LLM Server

1 app3.0Developer Tools

Both apps target developers requiring custom AI infrastructure, creating direct competition for users seeking private, non-subscription-based model access.

Prevolut

known forChapper: AI & LM Studio Client

1 app3.3Developer Tools

Both apps target power users who require direct control over AI infrastructure by connecting to custom or local endpoints via a native iOS interface.

吐司工作室

known forGPT Box - Pure

1 app3.7Developer Tools

Both apps target users seeking third-party interfaces for LLMs, with Geeps focusing on BYOK privacy and GPT Box - Pure emphasizing open-source accessibility and cross-platform sync.

垚 刘

known forKomee: AI Character Chat

1 app3.8Developer Tools

Both apps compete for mobile AI interaction time, though they target distinct segments: Geeps serves power users via BYOK, while Komee targets casual users seeking emotional character interaction.

Same space(17)

Adnan Hameed

known forFreaky AI Chat

1 app1.8Developer Tools

Freaky AI Chat offers character creation for casual users, contrasting with the technical requirements of Geeps.

Aedify.AI

known forVestobot

1 app0.0Developer Tools

Vestobot facilitates OpenClaw deployment, serving the same technical demographic interested in AI agent experimentation.

ِAmmar Mahmood

known foriSSH

1 app0.0Developer Tools

iSSH serves the same developer base with a terminal client that emphasizes no-paywall access for remote server management.

Chung Kwan Chan

known forLLM: Answering Machine

1 app4.3Developer Tools

LLM: Answering Machine focuses on local model execution, serving users who want to bypass the cloud entirely.

DoruNaitsu

known forShieldNode: API keys for AI

1 app0.0Developer Tools

ShieldNode secures the API keys that Geeps users must manage, acting as a security layer for the BYOK model.

Foster Ezrah

known forEchoUs-ai girlfriend chat

1 app4.4Developer Tools

EchoUs focuses on character-based roleplay, occupying a different user intent than Geeps' model-agnostic utility.

Free AI

known forAI Chat Characters

1 app4.5Developer Tools

AI Chat Characters provides a private, story-focused alternative for users who do not require Geeps' multi-model flexibility.

Jeff Cedilla

known forAI Prompt Manager: Prompty

1 app5.0Developer Tools

Prompty enhances the prompt-engineering workflow for users who already manage their own AI connections via Geeps.

LIGHTSPEED INTELLIGENCE

known forTipsy Chat: Live Your Story

1 app4.5Developer Tools

Tipsy Chat focuses on entertainment-driven roleplay, contrasting with the utility-first, model-agnostic approach of Geeps.

mimik technology

known formimOE Studio

1 app0.0Developer Tools

mimOE Studio manages local AI runtimes, providing a technical backend for users who prefer local model control.

NATHAN CARLISLE FOX

known forClaw Command

1 app0.0Developer Tools

Claw Command manages AI agent fleets, providing a specialized control layer for the same power users as Geeps.

Scott Farrand

known forLLM Portal

1 app5.0Developer Tools

LLM Portal aggregates AI services for quick access, serving a similar but less technical audience than Geeps.

SHARP IMAGE

known forEmotiAI – AI Chat Buddy

1 app5.0Developer Tools

EmotiAI targets the casual companion market, which lacks the technical depth of Geeps' BYOK interface.

SOFIANE EL MOKADDAM

known forOnepilot: SSH Shell Terminal

1 app4.7Developer Tools

Onepilot offers direct hardware control for AI agents, serving the same technical audience as Geeps.

Space-Time Transformation Technology Co.

known forNeoServer: SSH Client|Terminal

1 app4.7Developer Tools

NeoServer provides infrastructure management for the same technical audience that uses Geeps for AI interaction.

WHITE AND G.P.

known forAI Chat with Bala Bla Studio

1 app0.0Developer Tools

AI Chat with Bala Bla Studio focuses on character-driven interactions, which is distinct from Geeps' model-agnostic utility.

Xibbon

known forLa Terminal: Mosh & SSH Client

1 app4.7Developer Tools

La Terminal serves the same developer demographic by focusing on mobile-native SSH and AI coding agent workflows.

New entrants(2)

Mysk

known forLoupe: What Apps Can See

1 app5.0Developer Tools

Loupe analyzes device fingerprinting, providing transparency for privacy-conscious users who also value Geeps' direct connections.

晨阳 段

known forKeyNest - AI API Key Manager

1 app0.0Developer Tools

KeyNest manages API credentials, serving the same technical audience that requires secure key handling for BYOK apps.

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