99AI Labs

99AI Labs is an AI interview-preparation service for students and working professionals who want both structured rehearsal and discreet support during a live interview. It suits candidates preparing for defined roles and those who want feedback beyond a list of sample questions. The main buying decision is how much token-based coaching time you expect to use.

Its combination of resume-aware prompts, scored mock sessions, and broad meeting-app compatibility makes it a practical choice for active preparation, provided you understand the different token rates and the one-time plans.

Overview

99AI Labs covers preparation before an interview and assistance while one is taking place. You can enter a job description, upload a resume, and practise by role. The service describes coverage for software engineering, BPO, US healthcare, banking, and other role-specific paths, alongside technical, behavioral, and managerial rounds.

Its strongest distinction is the private live assistant. It listens during an interview and offers structured answer suggestions tailored to the resume and job description. That can help when pressure makes it difficult to retrieve relevant experience, but it remains guidance for the candidate rather than a replacement for preparation or judgment.

Key features

Mock interviews and feedback

Mock sessions address technical, behavioral, managerial, and role-specific interviews, with scores, feedback, and transcripts. Feedback can cover answer quality, communication, confidence, clarity, structure, relevance, technical skill, fluency, and overall interview readiness. This breadth is useful for candidates who need to diagnose a specific weakness, not just repeat generic questions.

Voice interviews and resume-based practice make the sessions closer to a spoken interview than a text-only exercise. The practical benefit depends on using enough coaching time to identify recurring problems and then revisiting them; a single session will not substitute for a preparation routine.

Live assistant and screen sharing

The native Mac and Windows application works alongside Zoom, Google Meet, Microsoft Teams, and Webex. It can stay hidden during screen sharing, so the interviewer sees only the content the candidate chooses to share. That is a meaningful fit for users who want private prompts during a call, while candidates who do not want an in-interview aid can rely solely on the mock-practice tools.

Privacy, security, and support

Identifiable session recordings are not used for AI training without explicit consent; training uses anonymised or aggregated data. Data is protected with TLS/HTTPS in transit, AES-256 or equivalent encryption at rest, hashed and salted passwords, and role-based access controls. Session recordings and transcripts may remain for up to 12 months, while technical logs have rolling 90-day retention, so users with strict deletion requirements should account for those windows.

Support replies within 24–48 business hours. Including the account email and session date should help resolve an issue without unnecessary back-and-forth.

Pricing

All four published plans are one-time purchases, and the listed plan rows show zero included tokens. The token economy therefore matters as much as the headline price: one token covers one minute of live interview assistance, while eight tokens cover one minute of mock interview coaching. Purchased tokens remain valid for six months; buying a top-up before expiry extends the balance expiry by another six months.

PlanPriceBest fitStarter₹299, paid onceA low-cost entry point for a candidate making a limited commitment.Popular₹799, paid onceA middle option for candidates planning more than a brief trial.Pro₹1,799, paid onceRegular practice where repeated mock sessions justify a larger purchase.Power₹4,999, paid onceHeavy preparation across multiple interviews or role tracks.There is a free trial, but the published plan rows do not attach token allowances to these purchases. Before paying, calculate minutes at both usage rates and confirm how additional tokens are obtained. The one-time structure avoids an automatic monthly renewal, while the six-month expiry makes this less suitable for occasional practice spread over a long period.

Platforms

99AI Labs runs on macOS, Windows, and the web. The desktop applications provide the integrations and hidden screen-sharing behavior for Zoom, Google Meet, Microsoft Teams, and Webex; the web option provides browser access for candidates who do not want a native installation.

Who it's for

This is aimed at students and professionals preparing for interviews, especially those who want role-specific rehearsal plus support during a live call. It is a good match for candidates with a defined job description and resume who value structured, personalised prompts. It is less compelling for someone seeking only a free question bank, unlimited long-term practice, or a simple subscription with predictable usage.

Pros and cons

Pros

Resume- and job-description-aware guidance: suggestions can stay relevant to the candidate's actual experience and target role.

Wide mock-interview coverage: technical, behavioral, managerial, and role-specific rounds support different hiring processes.

Actionable evaluation: scores, transcripts, and feedback span communication, structure, technical skill, and readiness.

Private desktop assistance: hidden screen sharing and support for four major meeting platforms suit live-call use.

Clear privacy and security measures: consent-based training use and stated encryption and access controls address common data concerns.

Cons

Token costs are uneven: mock coaching consumes eight tokens per minute, far faster than live assistance at one token per minute.

Published plan rows show zero tokens: buyers must understand the top-up path and calculate usable minutes before choosing a tier.

Six-month token expiry: infrequent candidates may lose unused balance unless they top up before expiry.

Retention can reach 12 months: session recordings and transcripts remain longer than some privacy-focused users may prefer.

Alternatives

Choose AI Interview Preparation Tools to compare the broader category.

Pick Mockwin instead if you want a freemium service with Android, iOS, web, API, and extension access, including a free plan with two active assessments and basic reports.

Choose Hugo if a web service with a free-to-try plan and no card required is the priority.

Confeer suits users seeking a short free voice-interview allowance and basic scoring in Russian or English.

Choose Big Interview for a 30-day subscription approach and broad device coverage, including Linux and mobile.

Huru is the better fit when unlimited mock interviews and a large question library are more important than token accounting.

Choose ClearRound for an INR-priced freemium option that combines a limited mock interview with ATS checks.

Intervator is an alternative for credit-based practice with extension and web access.

Choose InterviewBridge if you specifically want an iOS app and a monthly Pro plan.

Verdict

99AI Labs is a strong choice for students and professionals who want resume-informed mock interviews and discreet, role-aware help during live calls. Its desktop integrations, detailed feedback areas, and stated privacy controls add practical value. Look elsewhere if you need unlimited practice, a clearly bundled token allowance, or usage that can remain available beyond six months without careful top-up timing.