Cumbersome Face/Off results showing AI-judged best response

Cumbersome: Direct API Access for AI

Name: Cumbersome
Author: Folding Sky Co.

Free iOS/macOS client for OpenAI, Anthropic, Google AI Studio, OpenRouter, and Z.ai. Your API keys. No subscription. Pick any model. Full control.

iPhone, iPad, and Mac

Download in the App Store

Cumbersome Face/Off Mode showing side-by-side AI model comparison — Face/Off Mode

Cumbersome model picker showing GPT-5.1, Claude, and Gemini options — Pick Your Model

Cumbersome API key configuration for OpenAI and Anthropic — Your API Keys

"A feature I have never seen before is the Face/Off mode... The developer built this app out of his own need, which in my experience is a good foundation."
Dr. Markus Jasinski, Nørdnotizenjasinski.info(opens in new tab)

Built by Peter. Solopreneur in Beaverton, Oregon. I build apps I want for myself and hope you find them useful too.