•COMPARISON
InterviewSkool vs DevInterview.ai
Both platforms offer voice AI mock interviews with code execution and system design whiteboards. DevInterview.ai offers unlimited interviews at $24.99/month. InterviewSkool charges ₹399 / $9.99 per interview or $4/interview in the 10-pack.
Quick Verdict
InterviewSkool
12-dimension feedback scoring with hiring signal assessment (Strong Yes to No), just like real FAANG interviews. Voice AI interviews with live code execution, Excalidraw whiteboard for system design. Pay per interview (₹399 / $9.99) or in bulk ($4/interview in 10-pack). No subscription required.
DevInterview.ai
Voice AI interviews with code execution in 5 languages, whiteboard canvas for system design, and 5-dimension feedback scoring. Built by a senior Uber SWE. Unlimited practice at $24.99/month (or $19.99/month quarterly). Includes free courses and a question bank from 600+ companies.
Feature Comparison
| Feature | InterviewSkool | DevInterview.ai |
|---|---|---|
| Full AI Mock Interview Simulation | ✓ | ✓ |
| Voice Interaction with AI Interviewer | ✓ | ✓ |
| Live Code Execution | ✓ | ✓ |
| System Design Whiteboard | Excalidraw | Canvas |
| Hiring Signal (Strong Yes → No) | ✓ | Hire verdict |
| 12-Dimension Feedback Report | ✓ | 5 dimensions |
| Company-Targeted Problems | Google, Meta, Amazon… | 600+ companies |
| DSA Practice Problems | ✓ | ✓ |
| Behavioral Interview Practice | ✓ | ✓ |
| Free Courses & Lessons | — | ✓ |
| Pricing Model | $9.99/interview or $4/interview (10-pack) | $24.99/mo unlimited |
Key Differences
Feedback Depth
InterviewSkool provides 12-dimension feedback scoring, which is more comprehensive than DevInterview.ai's 5-dimension scoring. This means you get more detailed insights into your strengths and weaknesses.
Pricing Control
InterviewSkool charges per interview (₹399 / $9.99) or in bulk ($4/interview in 10-pack), so you only pay for what you use. DevInterview.ai requires a $24.99/month subscription even if you only practice a few times. For 3 or fewer interviews per month, InterviewSkool is cheaper.
Hiring Signal Granularity
InterviewSkool provides a hiring signal from Strong Yes to No, giving you a more nuanced assessment of your interview performance. DevInterview.ai provides a binary hire verdict, which is less detailed.
Whiteboard Quality
InterviewSkool uses Excalidraw, a more established and feature-rich drawing tool for system design. DevInterview.ai provides a basic whiteboard canvas that lacks some of Excalidraw's advanced features.
When DevInterview.ai is Better
You practice daily. DevInterview.ai's $19.99/month quarterly plan is cheaper than InterviewSkool if you do 5+ interviews per month. Unlimited access removes the per-session cost barrier.
You want free courses alongside practice. DevInterview.ai includes coding courses and lessons in the subscription. InterviewSkool focuses purely on mock interviews.
You prefer a subscription model. Some candidates prefer predictable monthly costs over per-session pricing. DevInterview.ai's unlimited model eliminates decision fatigue about when to practice.
Pricing Comparison
InterviewSkool
₹399 / $9.99/interview
or $4/interview in 10-pack ($39.99)
- ✓Pay per interview, no subscription
- ✓12-dimension feedback
- ✓Hiring signal scoring
- ✓Excalidraw whiteboard
- ✓Voice interaction
- ✓Code execution
DevInterview.ai
$24.99/month unlimited
or $19.99/mo quarterly, $9.99/mo yearly
- ✓Unlimited mock interviews
- ✓Free courses & lessons
- ✓Question bank (600+ companies)
- ✓Voice interaction
- ✓Code execution (5 languages)
- ✓Whiteboard canvas
For more on AI mock interviews, see our guide to the best AI mock interview platforms in 2026.
Frequently Asked Questions
What's the difference between InterviewSkool and DevInterview.ai?
InterviewSkool scores across 12 dimensions with a hiring signal, while DevInterview.ai uses 5 dimensions. InterviewSkool charges per interview (₹399 / $9.99) with no subscription. DevInterview.ai offers unlimited interviews at $24.99/month.
How much does DevInterview.ai cost?
DevInterview.ai charges $24.99/month unlimited, or $19.99/month billed quarterly. InterviewSkool charges ₹399 / $9.99 per interview, or $4/interview in the 10-pack. For 3 or fewer interviews monthly, InterviewSkool is cheaper.
Does DevInterview.ai have voice mock interviews?
Yes. DevInterview.ai offers live voice interaction with an AI interviewer. InterviewSkool's voice interviewer adds 12-dimension scoring with hiring signal assessment (Strong Yes to No), which is more detailed than DevInterview.ai's 5-dimension approach.
Does DevInterview.ai have a system design whiteboard?
Yes. DevInterview.ai provides a whiteboard canvas for system design. InterviewSkool uses Excalidraw, a more established drawing tool with richer collaboration features for system design sessions.
Does DevInterview.ai have code execution?
Yes. DevInterview.ai has live execution in Python, Java, C++, JavaScript, and C#. InterviewSkool also offers live code execution against hidden test cases with similar language support.
Which platform is better for FAANG prep?
InterviewSkool's 12-dimension feedback and hiring signal mirror how FAANG companies evaluate candidates. DevInterview.ai's 5-dimension scoring is less comprehensive, but unlimited practice at $19.99/month is valuable for volume prep.
Try InterviewSkool
Full mock interviews with AI. Voice, code execution, whiteboard, all included.
Reviewed by Nitika Garg, SDE III at Amazon