Last checked: May 12, 2026
At a glance
InterviewCoder describes a desktop app for technical interviews, LeetCode, system design, audio support, and undetectability testing across Teams, Zoom, Meet, Chime, Webex, HackerRank, CoderPad, and Codility.
Pricing snapshot: Free Download $0 forever; Monthly Pro $299/month with original price shown as $499; Lifetime Pro $799 one-time with original price shown as $1598.
| Feature | ExtraBrain | InterviewCoder | Note |
|---|---|---|---|
| Core workflow | Live interview and meeting copilot with local-first session context. | Technical interview desktop assistant with coding, system design, and undetectability positioning. | Choose based on whether you need a general desktop copilot or a more specialized interview product. |
| Pricing model | Free core Mac app; Pro is $9.99/month ($6.99 Founder), $79/year, or $149 Lifetime; external AI or transcription costs depend on providers you choose. | Free download, Monthly Pro, and Lifetime Pro prices are published on its homepage. | Verify live checkout pages before purchase because plans and promotions can change. |
| Provider model | Local Gemma 4 where installed and compatible plus BYO OpenAI, Anthropic, Claude, Codex, or compatible endpoints. | InterviewCoder bundles or manages AI access through its own product plans unless its current checkout says otherwise. | Provider control matters when billing, retention, and model choice need to stay in your accounts. |
| Responsible use | Publishes policy reminders for interviews, meetings, schools, employers, and platforms. | InterviewCoder users should also verify the rules for each interview or meeting. | No tool can make prohibited assistance acceptable. |
Best for ExtraBrain
- People who want a free core Mac app, optional $9.99/month ($6.99 Founder), $79/year, or $149 Lifetime Pro controls, and separate BYO provider billing.
- People who want local Parakeet transcription and local Gemma 4 on-device AI where installed and compatible.
- People who need one desktop workflow for interviews, meetings, lectures, and research calls.
Best for InterviewCoder
- People focused specifically on software engineering technical interviews.
- People who want InterviewCoder’s coding-first positioning and plan model.
- People who prioritize its daily undetectability testing claims.
Responsible use
Use any live AI assistant only where interview, workplace, school, and platform rules allow it. Do not use generated answers to misrepresent your skills, experience, or authorship.