AI voice interview vs one-way video: which screen fits?

If you want a one-way video interview alternative, the realistic choices are an AI voice interview or going back to recruiter phone screens. An AI voice interview keeps the main benefit of one-way video (candidates take it on their own time, and every applicant gets screened) and adds the thing one-way video can't do: follow-up questions based on what the candidate actually said. Recruiter phone screens still give the best conversation, but they don't scale past what one person can dial in a day.

Below is how the three compare on the things that matter in a first screen, and when we'd pick each one. The comparison below is current as of September 2026 and describes the formats in general, not any particular vendor.

What are the three screening formats?

A recruiter phone screen is the one everyone knows. A recruiter calls the candidate, runs through the role's requirements, asks whatever follow-ups come to mind, and writes notes.

A one-way video interview (sometimes called asynchronous video) sends the candidate a set of recorded or written prompts. The candidate records an answer to each, usually with a time limit, and some tools allow retakes. Nobody is on the other end. The recruiter, and often the hiring manager, watches the recordings later.

An AI voice interview has the candidate talk with an AI interviewer, usually in the browser through an interview link. The AI asks questions tied to the role, listens to the answer, and can ask a follow-up about it. Afterward the recruiter gets a written report and can listen to the audio.

How do they compare side by side?

One-way video and AI voice both scale, so the choice between them comes down to depth and to what the recruiter has to do with the output.

Why do follow-up questions matter so much?

A fixed prompt is a known prompt. After a candidate has seen "Tell us about a project you're proud of" once, they can prepare a polished two-minute answer, and so can anyone coaching them. The recording then shows how well they rehearsed.

A follow-up question is written in the moment. Say a candidate for a support engineer role mentions they "handled escalations." A good follow-up asks what the last escalation was, what they checked first, and what they would do differently. Someone who did the work answers in specifics. Someone who read the job description answers in generalities.

Follow-ups also help the good candidates who undersell themselves. A nervous candidate who gives a thin first answer gets a second chance to show what they know, which a one-way video never gives them.

Which format is harder to game?

None of them is cheat-proof. What differs is what each format lets a recruiter see.

The concern is real. In Checkr's survey of 3,000 US hiring managers, published 16 September 2025, 35% said someone other than the listed applicant had participated in a virtual interview, and 51% agreed that AI has made it harder to trust what they see and hear during virtual interviews.

Here is how the formats stack up on that problem:

• Recruiter phone screen. You hear a voice. You can't see the person, their screen, or who else is in the room. A capable proxy can take the call.
• One-way video. You see a face on camera, which you can compare against the person who shows up in later rounds. The prompts may have been seen in advance, there is no chance to react to anything unusual, and the recording shows nothing about what else was open on the candidate's screen.
• AI voice interview in the browser. The tool can record what happens around the interview: tab switches, pasted text, leaving full-screen. Some tools add an ID check before the interview or a second camera angle on the desk. None of this proves anything by itself, but it gives a person something concrete to review.

Be careful with any tool that claims to detect AI-written answers from the content of what someone says. We don't claim that, and we explain why in AI cheating in interviews. For the specific warning signs of someone else sitting the interview, see how to spot a proxy interview.

How much recruiter time does each one take?

Phone screens cost the most time per candidate: scheduling, the call itself, notes, and the no-shows. That is fine for five finalists and painful for fifty applicants.

One-way video moves the time rather than removing it. The recruiter no longer schedules calls but now watches recordings, and watching ten candidates answer the same six prompts is slow work; skimming them loses most of the value.

An AI voice interview moves most of the effort to the software. The recruiter reads a report that says which required skills the candidate showed and what to probe, then checks the audio only for the parts that matter. The trade-off is that the recruiter hears less of the candidate directly, which is why the finalist call still matters.

When should you use each format?

Use this as a starting point:

• Use a recruiter phone screen for finalists, for senior candidates who expect a human first contact, and for anything about pay, relocation, start dates or the client relationship.
• Use one-way video when you mainly need to see how someone presents on camera (some customer-facing roles) and the questions don't need follow-up.
• Use an AI voice interview for the broad first pass on any req with more applicants than you can call, and for technical roles where depth only shows under follow-up questions.
• Add integrity options (ID check, second device) on roles where a proxy or fake identity would do real damage.
• Keep a person on every decision, whatever the format.

A common setup combines two of these: an AI voice screen for everyone, then a recruiter call for the people worth submitting. Our guide to AI phone screening for staffing agencies walks through that workflow step by step.

How does Simplehire's voice screen work?

We built Simplehire as a voice screen for recruiters, staffing agencies and in-house talent teams in the US. You create a role with its required skills, send the candidate an interview link, and the candidate talks with the AI interviewer in the browser. You get a screening report to review before submitting anyone to a client or hiring manager.

The report leads with a Screen verdict of Advance ("Cleared the screen — move to the next round."), Maybe ("Promising, but the screen left open questions worth probing.") or Reject ("Did not clear the screen for this role."). Under it you'll find Skills demonstrated X/Y, a Screen summary, Strengths, Areas to probe and Key insights. The verdict is a recommendation; a person makes the hiring decision.

There are three depths:

On the integrity side, every tier runs in enforced full-screen mode, restricts or flags copy, cut and paste, monitors tab switches and focus loss, and records every event with a timestamp. Interview audio is recorded, and alerts come with screenshots. For higher-risk roles you can require an ID check with a live face match, a paired second device that gives a side-camera view of the desk, or Simplehire Proctor on supported Windows interviews. Candidates are told before monitoring begins, and every finding is reviewed by a person. The proctoring page has the details.

Every account gets 25 free Basic screens a month, no credit card required, and unused screens don't roll over. The pricing page has the full table, and you can start free on your next req.