F
FLive answer suggestions, mock interviews and debriefs for job seekers
Free, from $25/mo
Big Interview vs LockedIn AI
Pricing, features, platforms and who each one suits — side by side.
B
Choose Big Interview if…
- you're in its core audience: job seekers, career centers
L
Choose LockedIn AI if…
- you want a free plan to start with
- you work on Windows, macOS, iOS
- you're in its core audience: job seekers, software engineers
Side by side
Feature Big Interview LockedIn AI
Pricing modelPaidFreemium
Starting price$39/mo—
Free plan
Free trial
API
Open source
PlatformsWebWeb, Windows, macOS, iOS, Android, VS Code
CompanySkillful Communications, Inc.Cyber Gravity LLC
Full feature lists
B Big Interview
- Interview simulator with realistic questions
- AI video feedback on delivery and body language
- Answer Builder for structuring responses
- Big Resume AI resume feedback
- 170 video lessons across 12 career-stage playbooks
- Salary negotiation training
L LockedIn AI
- Live interview answers based on your resume and the job description
- Speech Reflection flags vague, rushed or filler-heavy speech
- Coding Copilot for algorithms, follow-ups and code review
- Online assessment help, including multiple-choice and image questions
- Mock interviews with an AI interviewer and performance reports
- LockedIn Duo lets a trusted helper send remote guidance
- Predict (Beta) estimates likely questions by company and round
- MCP server connects to Claude, ChatGPT and Cursor
Their home pages
What each vendor shows first: the pitch, the plans and the sign-up.
Big Interview · biginterview.com
LockedIn AI · lockedinai.comWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
Big Interview
Interview BootCamp$39
Interview Accelerator$99
Interview Pro$299
LockedIn AI
CreditsNot listed
UnlimitedNot listed
LifetimeNot listed
Price changes we've recorded
We re-read each pricing page every month and log what changed.
Big Interview
No changes since we started tracking.
LockedIn AI
- Nov 8, 2026Credits: → Not listed; Unlimited: → Not listed; Lifetime: → Not listed; Plan dropped: Free
Strengths and limitations
Big Interview
- Lifetime access option for a one-time $299
- 30-day money-back guarantee
- AI feedback covers body language as well as content
- Large lesson library with 170 videos
- No free plan or free trial
- No native mobile apps listed
LockedIn AI
- Apps for desktop, mobile and browser, plus a VS Code extension
- Works with Zoom, Google Meet, Teams, Webex and coding platforms
- Credits never expire
- Lifetime plan available as a single payment
- Credits plan is capped at 400 live minutes per month
- Subscription plans are billed every 3 months
- Predict feature is still in beta
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Facts from each vendor's public pages, prices checked Nov 8, 2026. Editorial policy