UsingOpen vs InterviewSparrow

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

UsingOpen compared with InterviewSparrow
Detail	UsingOpen	InterviewSparrow
What it does	Free AI chat with open models, no account or sign-up required	AI mock interview practice with evidence-backed reports
Stage	Not given	Not given
Founded	Not given	2023
Based in	Not given	IN
Pricing model	Free	Paid
Pricing	Free with 10 prompts per day. UsingOpen Studio desktop app is $19 USD one-time purchase, or ¥99 CNY in mainland China.	10 credits for $9.00 ($0.90 per credit), 30 credits for $26.10 ($0.87 per credit, 3% off), 60 credits for $50.40 ($0.84 per credit, 7% off), 100 credits for $81.00 ($0.81 per credit, 10% off). One credit equals 3 minutes of interview time; a 30-minute interview takes 10 credits.
Key features	Access to 20+ open-weight AI models including DeepSeek, Qwen, GLM, Gemma, GPT-OSS, Kimi K3 and MiniMax M3 No account required, no sign-up, no email or password needed 10 free prompts per day, reset at midnight UTC Chat history saved locally on your device, never sent to servers Streaming responses with visible reasoning for thinking models Compare two models side by side in the same conversation Live model availability status and real-time capacity information Responsive design, installable as standalone mobile app	Real voice interviews with AI interviewer Seven-dimension scoring tied to actual words spoken Evidence-backed report with verdict and breakdown Mirror Snippet: clip of your own answer playback Interview adapted to resume and role Full interview transcript provided Practice arc tracking dimension scores over sessions Hiring team recruitment feature with shared credit pool Role-specific rubrics for scoring
What makes it different	Complete privacy - chat history stays only on your device and is never sent to servers Model picker with real-time availability, not a single locked-in assistant	Honest, evidence-backed scoring with every point quoted from your actual words No subscription model—pay per credit as needed Full privacy control with data export and deletion options Same AI interviewer used by employers for recruitment screening
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	17	0
Referring domains (Majestic)	5	0

5 details filled in for both companies.

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