Comparisons
Same criteria for every entry
In the comparison, every option is judged on scope, published price, published speed and fit. The publisher’s own service is listed first and labeled as such.
Methodology
How Source to Spec forms its guidance
Source to Spec’s guidance comes from Cydney Mar’s own product development process, checked against published sources that are named and linked wherever a number appears. This page explains the criteria, the sources and the publisher’s position.
Published by Cydney Mar · Last updated:
How are the recommendations on this site made?
Recommendations follow the order of Cydney Mar’s Concept-to-Reality Pathway: clarity, prototypes, suppliers, costing, production readiness and launch. Advice about each step reflects how she works with founders. Market numbers come only from published pages, credited to their source, and are never presented as her own results.
The rules we follow
Evidence
Numbers are sourced
Every market figure names its source. Cydney Mar’s own figures, such as 45+ years and $300M+ in sales, are labeled as her own. Where a fact is not published, such as her prices, the site says so.
Fairness
Neutral about others
Other providers are described only with neutral facts from their own or published pages, never with claims about their weaknesses.
Sources cited on this site
- Shopify, “How to Find a Manufacturer for Your Product in 8 Steps”
- Fabrickly, “Tech Pack Companies Compared (2026)”
- The F* Word, “AI Tech Pack Generator Comparison: 2026 Tools”
Written and published by Cydney Mar. Pages show a last updated date, and content is refreshed when facts change.
Common questions
What do product development consultants do?
Product development consultants guide a product from idea to production: defining the product, developing prototypes and samples, writing specifications, finding and vetting suppliers, costing and preparing for launch. Some cover one step; others, like Cydney Mar’s Concept-to-Reality Pathway, cover the full sequence from concept to market.
More in the FAQShould I hire a freelance tech pack designer or a consultant?
Hire a freelance tech pack designer when your design, materials and costing are already settled and you only need the document drawn up. Hire a consultant when you still need help deciding what to make, which suppliers fit, and whether the numbers work. Fabrickly’s 2026 comparison lists freelance tech packs at £30 to £200.
More in the FAQWhat is the Concept-to-Reality Pathway?
The Concept-to-Reality Pathway is Cydney Mar’s six-stage process for turning a product idea into a real business: Product Clarity, Right Prototypes, The Right Suppliers, Cost and Margins, Production-Ready, and Launch and Scale. Each stage is meant to move a founder closer to market in the right order, without costly guesswork.
More in the FAQHow much does a product development consultant cost?
Product development consultant fees vary widely with scope, from a single advisory session to hands-on support through production. Cydney Mar does not publish prices on her website. The practical way to get a figure is to describe your product and stage through her contact page, then compare the scope offered against what you would otherwise pay for rework.
More in the FAQWhat happens on a strategy call with Cydney Mar?
A strategy call is a conversation about your idea and where you are stuck. Cydney Mar describes the goal as finding what is holding you back and mapping clear next steps, and discussing how you might work together. Check current availability and any fees through her contact page, since pricing is not published.
More in the FAQWant an experienced eye on your product?
Cydney Mar helps founders take consumer products for retail, TV and direct-to-consumer from idea to production through her Concept-to-Reality Pathway.