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Resources

Sharp takes on the decisions
that shape your product

Practitioner-written guides, grounded comparisons, and the implementation details that actually matter — from someone who builds this stuff every day.

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Fractional CTO vs agency vs hiring: which model fits your risk?

Full-time hire, agency, freelancer, fractional CTO, or hybrid — a framework for the decision.

Nicolas Nicolas 11 min Nov 2025

How to evaluate any technical partner — the practitioner's checklist

A framework to vet any agency, freelancer, or fractional CTO — regardless of your technical background.

Nicolas Nicolas 12 min Dec 2025

Your business has outgrown spreadsheets — here's what comes next

From Airtable to custom software — how to evaluate what comes after spreadsheets.

Google Sheets
Airtable
Notion
Retool
Nicolas Nicolas 19 min Dec 2025

Your product data lives in 12 spreadsheets — here’s how to centralize it

Product data scattered across spreadsheets and channels? When to use Airtable, when to buy a PIM (Akeneo, Plytix, Salsify), and when to build custom — with a migration roadmap.

Google Sheets
Airtable
Ak
Pl
Pc
Sa
Nicolas Nicolas 15 min Feb 2026

Your team is drowning in manual work — here's how to fix it

The automation spectrum: from Zapier to custom tools to AI-augmented workflows.

Zapier
Make
n8n
Nicolas Nicolas 20 min Jan 2026

Stripe vs Adyen vs Mollie — payments for European startups

Pricing, API quality, local payment methods, and real trade-offs for European startups.

Stripe
Adyen
M
Nicolas Nicolas 18 min Jan 2026

The definitive notification stack altitude map

Five layers from raw cloud infrastructure to full engagement platforms. Know which altitude you need before choosing a tool.

OS
K
Expo
Firebase
Nv
Co
C
Bz
Nicolas Nicolas 17 min Feb 2026

React Native vs Flutter vs Native — which mobile path for your startup?

A framework for choosing based on your team, timeline, and product.

React Native
Flutter
Swift
Kotlin
Nicolas Nicolas 13 min Jan 2026

LLM providers compared — choosing the right model for your product

A practitioner’s comparison of every major LLM provider in 2026 with real pricing, benchmark data, and the decision framework for choosing the right model for your product.

OpenAI
Anthropic
MI
Nicolas Nicolas 14 min Mar 2026

Choosing your e-commerce platform — from Shopify to headless to fully custom

The platform spectrum: hosted SaaS, self-hosted, headless, and fully custom. When to start on Shopify, when to leave, and when to build from scratch.

Shopify
WooCommerce
BC
Me
Sa
Vn
So
Sp
Nicolas Nicolas 16 min Mar 2026

OneSignal vs Knock — mobile notification infrastructure compared

Which notification infrastructure for your mobile app? Decision framework and pricing.

OS
K
Coming soon

Expo Push vs OneSignal — when to graduate from built-in push

For React Native / Expo teams: when to graduate from Expo’s built-in push to a platform.

Expo
OS
Coming soon

Knock vs Novu vs Courier — notification infrastructure compared

Three notification infrastructure platforms compared on architecture, pricing, and DX.

K
Nv
Co
Coming soon

Transactional Email: Loops vs Resend vs Postmark vs SendGrid

The email delivery layer — choosing a provider for receipts, resets, and operational messages.

Resend
S
Coming soon

Customer.io vs Braze vs Intercom — enterprise engagement compared

Enterprise engagement platforms for marketing-led teams at scale.

C
Bz
Intercom
Coming soon

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