APractice 01
Consumer AI products
We build and operate AI-native consumer applications, with a portfolio spanning wellness, financial tools, and emerging categories.
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Synth Layer LLC · Est. April 6, 2026
Statement
Building AI products that respect the people using them.
Synth Layer designs and engineers consumer-facing AI applications. We focus on emotional intelligence, voice interaction, and clinical-grade rigor in domains where the human stakes are real. We also partner with technology teams as AI engineering consultants.
Capabilities
The shape of what we ship.
A working catalogue. Voice and conversation, clinical safety, evaluation pipelines, and production infrastructure — built to hold up under real users, not demos.
- 01
Real-time voice AI
Full-duplex voice interaction with sub-second latency.
- 02
LLM application architecture
End-to-end design of agentic systems, retrieval pipelines, and evaluation frameworks.
- 03
Clinical and wellness AI
Domain-aware design for emotionally sensitive contexts, including crisis-detection and safety layers.
- 04
iOS engineering
Native Swift applications with StoreKit, HealthKit, and on-device ML integration.
- 05
Backend and infrastructure
Production AI infrastructure on AWS and GCP, with cost-aware model routing.
- 06
Evaluation and safety
Rigorous evals, red-teaming, and policy frameworks for consumer-facing AI.
Selected products
Software with a long view.
All products01Consumer wellness
Beliora
A wellness companion that actually listens.
AI-powered wellness app for iOS. Real-time voice conversations, longitudinal emotion analytics, integration with Apple Health.
Available on iOS App StoreExplore →
02Financial tools
Cashquil
Financial modeling for founders, without the spreadsheet.
Modeling tool for startup financials. Build OpEx and CapEx plans, calculate IRR and NPV, model burn and runway scenarios in minutes.
In developmentExplore →
About
Synth Layer LLC is a U.S.-registered technology company operating internationally. We combine product design, AI engineering, and clinical insight to build software that holds up under real-world use.
About the companyFAQ
Questions, answered straight.
01What does Synth Layer do?
Synth Layer is a Wyoming-registered technology studio that designs and engineers AI-native consumer products and partners with technology teams as senior AI engineering consultants. Focus areas: real-time voice AI, agentic systems, clinical-grade safety, and evaluation infrastructure for production AI.
02What products has Synth Layer shipped?
Two products are in the portfolio. Beliora is an iOS voice-AI wellness companion available on the App Store. Cashquil is a web-based financial modeling tool for startup founders, currently in development.
03Who founded Synth Layer?
Synth Layer was founded by Natanel Barkhan, a software architect with senior-level experience in enterprise AI platforms and consumer product engineering.
04Where is Synth Layer based?
Synth Layer LLC is registered in Wyoming, United States, with its registered office at 30 N Gould St, Ste N, Sheridan, WY 82801. The studio operates internationally.
05Does Synth Layer take on consulting work?
Yes. Three engagement shapes are available: a 2-week architecture review, a 4–12 week fixed-scope project engagement, and an ongoing fractional retainer at 8–20 hours per week. Email business@synthlayer.com to discuss.