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Practical notes for building technical products that clients can trust.

Short, useful writing from the Mach Square team on building immersive training, automation and production-ready software. We write for founders, product teams, and buyers who need the plain truth before they commit budget.

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Editorial desk

Field notes before the scope call.

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XR training
AI automation
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Recent notes

How much does a custom mobile app cost? A 2026 breakdown

June 25, 2026 / 5 min

How much does an AR app cost? A 2026 breakdown

June 25, 2026 / 5 min

Unity vs Unreal for enterprise VR training: how to choose

June 25, 2026 / 4 min

Featured insight

Start with the piece we would send before a discovery call.

Practical writing, not thought-leadership fog. Each note is meant to help a project become easier to plan, price, or ship.

VR Training
June 23, 2026 / 2 min read / Sarfraz Saghir Ahmad

Designing VR training that operators trust

A practical checklist for turning immersive training from a demo into a repeatable learning tool.

VR TrainingEnterpriseSimulation
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Latest writing

Clear, scannable articles for teams deciding what to build next.

How much does a custom mobile app cost? A 2026 breakdownPricing
June 25, 2026 / 5 min read / Sarfraz Saghir Ahmad

How much does a custom mobile app cost? A 2026 breakdown

What a custom mobile app actually costs in 2026 — how platform, feature depth, and backend move the price, realistic budget tiers, and the line items teams forget after launch.

PricingMobilePlanning
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How much does an AR app cost? A 2026 breakdownPricing
June 25, 2026 / 5 min read / Sarfraz Saghir Ahmad

How much does an AR app cost? A 2026 breakdown

What augmented and mixed reality projects actually cost in 2026 — how platform, tracking, and 3D content move the price, with realistic budget tiers and the costs teams forget.

PricingARPlanning
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Unity vs Unreal for enterprise VR training: how to chooseUnity
June 25, 2026 / 4 min read / Sarfraz Saghir Ahmad

Unity vs Unreal for enterprise VR training: how to choose

Why we build most enterprise VR training on Unity, when Unreal is the better call, and the deployment realities that quietly decide it for standalone Meta Quest.

UnityXRPlanning
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How much does a VR training simulator cost? A 2026 breakdownPricing
June 24, 2026 / 6 min read / Sarfraz Saghir Ahmad

How much does a VR training simulator cost? A 2026 breakdown

A practical 2026 breakdown of what VR training simulators actually cost, the factors that move the price, realistic budget tiers, and the line items most teams forget to plan for.

PricingXRPlanning
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AI Automation
June 18, 2026 / 2 min read / Mach Square Team

AI automation without breaking operations

How to choose the first automation use case and ship it without disrupting the team that already owns the work.

AI AutomationOperationsDelivery
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Web Development
June 12, 2026 / 2 min read / Sarfraz Saghir Ahmad

Portfolio sites that sell complex technical work

A simple structure for presenting XR, web, mobile and 3D work to buyers who need proof before they book a call.

Web DevelopmentPortfolioStrategy
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How to scope a VR training project before opening UnityXR
May 23, 2026 / 5 min read / Sarfraz Saghir Ahmad

How to scope a VR training project before opening Unity

The questions I answer before production starts on a VR training simulation, from learning goals to hardware, safety, assessment, and update paths.

XRPlanningUnity
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A practical Meta Quest performance budget for XR training appsMeta Quest
May 22, 2026 / 4 min read / Sarfraz Saghir Ahmad

A practical Meta Quest performance budget for XR training apps

How I think about frame rate, draw calls, lighting, textures, physics, and interaction cost when building standalone VR training apps for Quest.

Meta QuestPerformanceUnity
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Building multilingual XR training with JSON content packsXR
May 21, 2026 / 4 min read / Sarfraz Saghir Ahmad

Building multilingual XR training with JSON content packs

A simple content architecture for VR and AR training apps that need multiple languages, regional terminology, and client-specific lesson text.

XRLocalizationArchitecture
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Why offline-first VR matters for enterprise XR trainingXR
May 20, 2026 / 4 min read / Sarfraz Saghir Ahmad

Why offline-first VR matters for enterprise XR training

Why we build every Meta Quest VR training platform to run fully offline — and why hospitals, factories, and field sites quietly insist on it.

XRMeta QuestEnterprise
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WebXR or native Quest app? How I choose for client demosWebXR
May 19, 2026 / 3 min read / Sarfraz Saghir Ahmad

WebXR or native Quest app? How I choose for client demos

A practical comparison of WebXR and native Meta Quest builds for product demos, training previews, sales enablement, and internal pilots.

WebXRMeta QuestXR
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Designing medical VR simulations that instructors can trustMedical XR
May 18, 2026 / 4 min read / Sarfraz Saghir Ahmad

Designing medical VR simulations that instructors can trust

Medical VR is not just about realism. Instructors need scenario control, readable feedback, repeatable assessment, and clear limits.

Medical XRTrainingSimulation
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