You have an app idea, a budget, and you want it built. There are exactly three vendor categories you’ll find in the market: agencies, freelancers, and solo architects. They look similar from the outside; they behave very differently once you’ve signed. The short decision guide is on Agency vs freelancer vs solo architect; this post has the full table.
What follows is the practical comparison from someone who has been the solo architect on both sides.
Agency
A small or mid-sized firm with 5 to 50 engineers, designers and project managers on staff. You buy a team, not a person.
Strengths. Bench depth (someone is always available), formal processes (PM, QA, design system), the option to scale up mid-project, and a single point of escalation for legal / procurement. For $140k+ budgets with multiple stakeholders, this matters.
Costs. Account management, sales overhead, junior staff that has to be paid for too, and a margin on every senior hour. The result: typical agency rates land between $1,400 and $2,300 per developer-day, and in my experience a production app that a solo architect ships in three months often takes an agency longer, with three more people on the meeting calls.
When to pick it. Budgets above $115k, multiple stakeholders, you need designers + PMs + engineers under one contract, or you’re a regulated business that requires a vendor-management process the freelancer market can’t satisfy.
Freelancer
One contractor working under their own name, usually hourly or daily. The lowest-friction vendor model and the highest variance in outcome.
Strengths. Cheapest hourly rate (typically $700 to $1,300 per day), fastest to onboard, no sales process. For augmenting an existing in-house team, often the best fit.
Costs. No accountability past the invoice. No operations after launch: most freelancers won’t take a pager. No formal handover process, so the codebase quality depends entirely on the individual. And the bus factor is one: if they get sick, your project stops.
When to pick it. You have an in-house team that will own the result. The scope is small enough that a single person can ship it cleanly. You’re comfortable with hourly billing and a verbal discovery process. Avoid for greenfield production apps without an in-house engineering team to inherit it.
Solo architect
One senior engineer, twenty years in, who plans, builds, ships and operates production apps end-to-end under their own brand, with fixed price, fixed scope, and full handover. The model this site sells.
Strengths. Fixed-price commitment based on a written scope. End-to-end ownership: same person plans, codes, releases and runs the system. Faster iteration than an agency because there are no internal handoffs. Lower total cost than an agency for equivalent scope because there’s no sales / PM layer.
Costs. Bus factor of one (same as a freelancer, mitigated by clean handover docs and a Git repository that lives in your account from day one). Capacity ceiling: a solo architect won’t ship a 12-month, multi-team product. And the model only works for projects in the $18k to $115k range. Outside that range, agencies make more sense.
When to pick it. You want a production-grade app shipped on a fixed date for a fixed price, you don’t have an in-house engineering team to run a freelancer, and your scope fits in 3 to 4 months of senior-engineer time. The MVP, the production app and the architecture review all land squarely here.
The honest comparison table
| Dimension | Agency | Freelancer | Solo architect |
|---|---|---|---|
| Pricing model | Fixed or T&M | Hourly / daily | Fixed price |
| Production app (typical) | $92k to $175k | $52k to $105k | from $83,300 |
| MVP (typical) | $46k to $70k | $12k to $23k | from $27,800 |
| Sweet-spot budget | above $115k | below $35k | $28k to $115k |
| Time to v1 (production app) | 4 to 6 months | 3 to 6 months | 3 to 4 months |
| Operations after launch | Yes | Rarely | Yes |
| Single point of accountability | Diffused | Yes | Yes |
| Discovery cost | Often $6k to $17k | None or T&M | Free 30-minute call, written scope in the quote |
| Code handover | Sometimes | Depends on contract | Standard at launch |
The agency and freelancer figures are an estimate from my own experience, not a survey.
The shortest decision rule
- Budget over $115k and multiple stakeholders: agency.
- In-house engineering team that will own the result: freelancer.
- No in-house team, fixed budget, production-grade outcome, 3 to 4 month horizon: solo architect.
You don’t have to take that as the answer for your specific project, but it’s the answer that holds for most cases I’ve seen.
Where to go next
Every step of the offer, its fixed price and what it includes are on the pricing page. The cost guide breaks down what the money actually buys. And the MVP-or-production decision post tells you whether to start with an MVP first. When you’re ready, book a free 30-minute call on the contact page.