Brumo vs iChatWithGPT — iMessage AI, compared.
iChatWithGPT is a ChatGPT bridge that lives in iMessage and Siri. Brumo is a purpose-built AI companion with its own memory model and personality. Here's the comparison.
iChatWithGPT is a clever product: it puts ChatGPT at a number you can text or invoke via Siri on iPhone/Watch/Mac. Great if you want ChatGPT anywhere an iPhone can reach you.
Brumo is a different animal: it's an AI companion product with its own system prompt, long-term memory, and proactive behavior — not a ChatGPT bridge. You text a number, but what you're talking to is Brumo, not GPT with a thin wrapper.
If you want ChatGPT in iMessage, iChatWithGPT does that well. If you want a companion in iMessage, Brumo is purpose-built for that.
Side-by-side
Purpose-built vs. wrapper
iChatWithGPT's value is convenience — it makes ChatGPT feel like a native part of Apple's ecosystem. That's a real product and a valid use case.
Brumo's value is that it's a distinct product, not a GPT wrapper. The memory model, the proactive behavior, the tone — all of that is designed specifically for a long-term AI companion relationship, not for task execution.
When to pick which
- You want a companion with memory and personality.
- You want an AI that can text you first about things you care about.
- You want ChatGPT accessible via Siri shortcuts.
- You want a task-focused AI in iMessage rather than a companion.
Verdict
Non-overlapping. iChatWithGPT is great at being ChatGPT-on-iMessage. Brumo is great at being a companion-on-iMessage. Pick based on whether you want tools or a relationship.
Quick questions
Does Brumo integrate with Siri?
Not currently. You text his number on iMessage directly.
Is iChatWithGPT cheaper?
Pricing varies — check both. Brumo has a permanent free tier and Pro is $9.99/mo.
Which has better memory?
Brumo. That's one of the main product differences.