Keith Shields

Keith Shields is the CEO and Co-founder of Designli, a custom software and web development company. A serial tech entrepreneur who previously co-founded Applits named the "Coolest College Startup" by Inc.com Keith has led hundreds of successful software product launches over the past decade. Through his articles, readers will gain actionable insights on MVP strategy, product validation, and navigating the transition from concept to market scale.

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The Designli blog.

Resources for unlocking your next level of business growth with custom-built software.

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AI Guardrails for Vibe-Coded Products: How to Keep What You Ship From Breaking in Production

Vibe coding gets products to market fast, but without deliberate guardrails, the same speed that makes it powerful makes it dangerous. The gap between a prototype that works in a demo and one that behaves reliably in production is almost always a...

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How We Build: Designli’s Full 2026 Development Process, Pricing, and Services

At Designli, we’ve always believed that great products come from great partnerships, and great partnerships are built on transparency. For many...

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How to Change Your Product Direction Without Rebuilding Your Entire Codebase

The founders who built with flexibility in mind, keeping core infrastructure and product-layer decisions apart so that altering the product's...

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The Founder's Translator: How to Understand Dev-Speak Without Learning to Code

Founders don't need to know how to code; however, they do need to know when a technical answer is complete, when it's a deflection, and when it's a...

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8 min read

How Do Free Apps Make Money? 9 Proven Monetization Models

TL;DR: Free doesn't mean unprofitable. Some of the most valuable apps in the world charge nothing to download and make billions anyway. The key...

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MVP vs. MAP: Why Just 'Viable' Isn't Enough in 2026

A minimum viable product (MVP) asks, "What's the least we can ship?" A minimum awesome product (MAP) asks, "What's the least we can ship that users...

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How to Find Your First 100 Users for Your New SaaS Product

TL;DR: Your first 100 users will come from direct, specific, founder-led effort aimed at a very specific type of person. This guide covers where...

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How to Define and Strengthen Your SaaS Moat in 2026

A SaaS moat is the structural reason customers stay even when a cheaper or shinier competitor shows up. In 2026, the weakest moats are feature-based....

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How to Write a Killer Feature Brief for Your Developer

TL;DR A feature brief is a short, structured document that tells your developer exactly what to build, who it's for, and what success looks like,...

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Answer Before You Build: 13 Questions That Reveal Product Risks

Before building, founders should validate risks across testing, monitoring, infrastructure, and ownership, not just features. Most products fail...

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How to Scale a Development Team: From Solo Builder to a High-Performing Team

Scaling a development team is a shift from running on instinct to running on systems. When you are a solo builder, you move fast because every detail...

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How Do I Find the Best App Development Partner for My Project?

Most founders start their search the wrong way. They Google the best app development agency, collect a handful of proposals, compare prices, and pick...

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Vibe Coding: The Fast Fashion Approach to Building Software

Vibe Coding represents the "fast fashion" era of software development: a high-velocity, low-cost approach to validating ideas before committing to...

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