Eva vs myHermy

Eva and myHermy are both personal assistants tracked by AIDiveForge. Below is a side-by-side comparison of pricing, capabilities, platforms, and ownership — sourced from each tool's live website and verified before publishing.

Eva

The home screen organizes work across four tabs — Chat, Images, Music, Docs — so you are not stitching together separate apps to get a grounded assistant plus media playback. Music continues in the background with lock-screen controls while you use the chat or docs tabs, which means the assistant does not interrupt your queue. The ceiling appears fast on older or mid-range hardware: on-device inference is bottlenecked by the ARM64 chip you have, not a server you can upgrade. No API is exposed, so there is no path to building a pipeline around Eva or connecting it to other tooling. The open-source repo has 1 star and 0 open issues at time of curation, meaning community support is effectively nonexistent.

myHermy

The core workflow is deliberate: you bring your existing ChatGPT, Claude, Copilot, or Grok subscription, myHermy provisions a dedicated server in one of 30-plus regions, and your agent starts handling email triage, calendar checks, research, and reminders across WhatsApp, Telegram, Discord, Slack, Signal, and email. Daily automated backups with seven-day retention and one-click restore mean a bad config doesn't cost you a week of history. Root SSH and a browser terminal are available if you need to dig in — but the dashboard is built for people who never want to. Where this hits a wall: there is no API, so teams that need to pipe agent output into their own systems or trigger the agent programmatically from external events have no supported path.

Attribute	Eva	myHermy
Pricing	Free	Paid
Price	—	$19/mo
Free trial	No	No
Open source	Yes	No
Has API	No	No
Self-hosted option	Yes	No
Platforms	Android	Web dashboard, WhatsApp, Telegram, Discord, Slack, Signal, Email
Pros	Entire stack — language model, voice, maps, documents, Wikipedia — runs on-device with no network calls, so user data never reaches a third-party server even when the app is actively used. Open-source under a public GitHub repo with a downloadable APK, so you can audit the code, build from source, or self-host the distribution instead of depending on a vendor's continued operation. Background music playback with lock-screen controls persists while you use Chat or Docs tabs, so switching to ask a question does not interrupt the media session. Document-grounded chat runs locally, which means you can feed private files into the assistant without those documents ever leaving the device — a constraint that eliminates most cloud-based RAG tools from contention. No account creation or sign-in required, so there is no identity surface to compromise and no subscription to manage.	Bring-your-own LLM subscription support (ChatGPT, Claude, Copilot, Grok), so you avoid paying a second per-message bill on top of hosting — a cost that compounds fast once your agent is running around the clock. Private dedicated server per user, which means your conversations and task history are not co-mingled with other users' data — the failure mode on shared-infrastructure agent platforms. Daily automated backups with seven-day retention and one-click restore, so a broken update or config mistake doesn't permanently lose your agent's context and history. Six-channel reach (Telegram, WhatsApp, Discord, Slack, Signal, and email) from a single agent deployment, so you don't manage separate bots per platform or retrain your habits to use a new interface. Root SSH and browser terminal access on every plan, so users who need to inspect the server environment or install additional tooling aren't blocked by a locked-down hosting layer.
Cons	Inference speed is hard-capped by the phone's ARM64 chip — on mid-range or older Android hardware, response latency becomes unusable for anything beyond short queries, and there is no server fallback to compensate. No API, no webhook, no automation surface of any kind: Eva cannot be called from a script, integrated into a workflow, or connected to another tool. Any team that needs Eva's capabilities as a component rather than a standalone app will rebuild the functionality from scratch elsewhere. The repo shows 1 star and 0 contributors beyond the original author at time of curation — when something breaks on a specific Android version or model, there is no community to surface a fix or workaround. The APK targets arm64-v8a only, so devices outside that architecture are unsupported with no documented path to building for other targets.	No API is available, which means any external system — a CRM, a webhook, a custom dashboard — cannot programmatically trigger the agent or receive structured output from it. Teams that need agent actions to feed into their own product or internal tooling have no supported path and need to switch to an API-first agent platform. No self-hosted option exists, so organizations with data residency requirements or policies that prohibit third-party cloud hosting cannot use the service regardless of the private-server framing — the infrastructure is still provisioned and managed by myHermy. The agent's capabilities are bounded by the Hermes Agent and OpenClaw implementations; there is no documented way to swap in a custom agent framework or extend the agent's core logic beyond what the dashboard exposes. Teams with specialized workflows that outgrow the built-in capabilities — email, calendar, research, reminders — have no upgrade path within the platform.

Bottom line

Eva is free while myHermy is paid; Eva is open source. Choose based on which difference matters most for your workflow.

Frequently asked questions

What is the difference between Eva and myHermy?

Eva is Free and open source, while myHermy is Paid. Compare pricing, free trial, API, platforms, and pros/cons in the table above on AIDiveForge.

Is Eva better than myHermy?

It depends on your workflow. Use the side-by-side attributes (pricing, open source, API, self-hosted, platforms) to decide. AIDiveForge does not rank a universal winner — we publish verified facts so you can choose.

Eva vs myHermy: which should I pick?

Pick Eva if its pricing model, openness, or platform fit matches your constraints; pick myHermy otherwise. Check free-trial availability on each listing if you want to test before committing.

Comparison data is sourced and verified by the AIDiveForge data pipeline. AIDiveForge is editorially independent.