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The Null Studio blog

Buyer's guides and playbooks on AI agents, automation and shipping software fast — written from projects we've actually delivered.

October 5, 2026 · 10 min read

XR App Maintenance: Keeping a VR or AR App Working After Launch

Why VR, AR and mixed-reality apps need more upkeep than most software: headset OS updates, SDK deprecations, engine upgrades, store policy and hardware turnover. The build decisions that keep maintenance cheap, what a sensible maintenance plan includes and the questions to ask before you commission.

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October 1, 2026 · 9 min read

XR Accessibility: Designing VR and AR Apps Everyone Can Use

How to make a VR, AR or mixed-reality app usable for seated users, one-handed users, people with low vision or hearing loss, and people who cannot tolerate artificial movement. The five kinds of exclusion, why redundancy keeps the cost down, how to test it, and the questions to ask before you commission a build.

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September 26, 2026 · 8 min read

Adding AI to an Existing Product: What Actually Gets Used

Adding AI to a product that already has users is a different job from building an AI product. How to pick the first feature, get permission-safe context out of an existing system, place AI where the work already happens, design for wrong answers, control per-use cost and ship behind a flag.

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September 25, 2026 · 8 min read

VR Motion Sickness: How to Build XR Apps People Can Actually Use

VR motion sickness is mostly a design and engineering problem, not a user problem. Why it happens, the triggers an app controls (artificial movement, camera control, dropped frames, unstable reference points, session length), comfortable defaults for first-time users, and how to test comfort before it quietly kills adoption.

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September 14, 2026 · 8 min read

AR Remote Assistance: When See-What-I-See Beats a Video Call

Remote assistance is sold as a headset and bought as a way to be in two places at once. The three products sold under one name, the honest test for whether AR adds anything over a video call, the three site realities that decide whether it works, and why the session record is worth more than the live call.

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September 13, 2026 · 8 min read

Outbound Voice AI: Why Calling Out Costs More Than Picking Up

Inbound and outbound demo identically and behave like two different businesses. Why cents per minute stops describing your bill the moment you dial out, the unit that actually decides whether the program survives, which outbound jobs pay and which quietly do not, and why your phone number is a budget line.

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September 8, 2026 · 8 min read

AI Characters in XR Training: When the Simulation Talks Back

Hand-authored branching is why most XR training programs stall at three scenarios. Where a conversational AI character lifts that ceiling, the latency budget that makes or breaks it inside a headset, why the simulation and not the model has to own the truth, how to score a conversation nobody wrote, and the four cases where the answer is no.

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September 4, 2026 · 8 min read

Unity, Unreal or WebXR? Choosing the Engine for an XR Build

Engine choice in XR is a downstream decision that keeps getting made first. What Unity, Unreal, WebXR and native SDKs are each genuinely for, the five questions that actually decide it, what the engine does not decide, and why switching mid-project is a rebuild rather than a port.

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August 29, 2026 · 9 min read

XR Data and Privacy: What a Headset Actually Captures

An XR deployment touches four layers of data, and security reviews only ask about one of them. What a headset records about the room, the body and the session, why motion and gaze are more sensitive than they look, where the data ends up, and how to collect less of it on purpose.

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August 28, 2026 · 9 min read

What You Should Own When Someone Else Builds Your Software

Owning software means three separate things, and the contract only covers one. What legal, custodial and operational ownership actually require, the accounts that quietly belong to the wrong party, the ten items a real handover contains, and the one-day drill that proves you have one.

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August 27, 2026 · 10 min read

XR Interaction Design: Why Immersive Apps Feel Wrong, and What Fixes It

Most XR pilots that quietly die are not ugly, they are awkward. The screen UI got ported into a headset, the input model was inherited from the box, and typing turned out to be impossible. What actually breaks in immersive interfaces, how to choose an input model against your real users, and how to test it before the budget is spent.

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August 26, 2026 · 9 min read

AI Voice Agent Monitoring: The Work That Starts on Launch Day

A voice agent that handles 90 percent of calls correctly sounds exactly like one that handles all of them, so failure is silent by default. The operating loop that keeps one working: the three numbers worth tracking, how to review transcripts by cause, the five things only real callers break, and what a monitoring retainer should contain.

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August 25, 2026 · 10 min read

Internal AI Knowledge Base: What RAG Takes Beyond the Demo

A RAG assistant over your own documents demos in an afternoon and fails in production for four reasons that have nothing to do with the model: contradictory sources, answers nobody ever wrote down, permissions enforced at retrieval, and an index that goes stale. What an honest build actually involves.

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August 22, 2026 · 9 min read

AI Receptionist for Plumbers: Answer the 1am Burst Pipe

How an AI receptionist works for a plumbing company: answering emergency calls at any hour with the shutoff instruction you approved, separating active water from work that can wait, honest after-hours promises, dispatch-aware booking, property manager intake, and the price question a generic bot always gets wrong.

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August 9, 2026 · 9 min read

From CAD to Headset: The 3D Content Pipeline Behind an XR App

Why the 3D models you already have are not the ones that run in a headset: the frame budget that drives every content decision, where XR assets come from, what conversion actually involves, why operable assets cost more than viewable ones, and what to ask before you commission the build.

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August 8, 2026 · 9 min read

AI Receptionist for Veterinary Clinics: A Practical Guide

How an AI receptionist works for a veterinary practice: sorting the six call types that share one line, the hard no-advice boundary that matters more here than anywhere else, booking into doctor and technician columns, turning refills into tasks, and what to ask before you buy.

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August 8, 2026 · 10 min read

Replacing a Legacy System Without Breaking the Business

How legacy replacement projects actually go: the four reasons systems get replaced, the undocumented business rules and messy data that decide the timeline, big bang versus incremental cutover, why data migration is a workstream rather than a step, and what to ask before you commission one.

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August 1, 2026 · 8 min read

AI Receptionist for Roofing Companies: Capture Every Storm Lead

How an AI receptionist answers, qualifies, and books for a roofing company 24/7: absorbing the storm surge without hiring, sorting insurance claims from retail work, territory-aware inspection booking, follow-up on stalled claims and estimates, and the buyer questions that separate real systems from demos.

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