Principal-led engineering for AI-built apps
Get your AI-built app ready for real customers.
Aaron Culbert, Principal Engineer Built fast with Lovable, Bolt, Replit, Cursor or a small team in a hurry? Anyfront reviews the code and the business it has to carry, then fixes what matters first. Every engagement is scoped, reviewed and signed off by Aaron.
The free check scans only your app's public surface, and only after you confirm by email and show you own the app.
Who it's for
Apps that got real faster than their code did.
Non-technical founders with an AI-built app
You are about to launch, take your first payments or raise, an incident has shaken your confidence, or an enterprise buyer has sent a security questionnaire.
An audit, then a sprintFunded startups and small SaaS teams
You need senior engineering capacity without making a hire.
An engineering or fractional retainerSmall businesses with AI-built internal tools
A tool someone built quickly has become one the business depends on.
An audit, then an advisory retainerAgencies shipping AI-built client work
You have more work than people, or want a second pair of eyes before handover.
An engineering retainerCompanies operating in or entering Japan
You need a bilingual technical lead, or product and integration work for the Japanese market.
A fractional retainer or a quoted projectHow it starts
Free check, a short call, then a fixed price.
-
Free check
An automated scan of your app's public surface, reviewed by Aaron within two business days. You see what is exposed before anyone talks price.
-
30-minute call
Your product, your business goals, your stack and what is in the way. If an audit will not help, Aaron says so.
-
Fixed-price audit
A written report that ranks findings by business impact, with a remediation plan and a 60-minute readout. Then a sprint or a retainer, only if the findings call for one.
Offers
Fixed prices, written down.
Code and product audit
US$3,300A$4,900¥490,000
A written report ranking findings by business impact, a remediation plan and a 60-minute readout, in 5–10 business days.
About the auditProduction-readiness sprint
US$8,000A$12,000¥1,200,000
Two weeks, with a fixed scope taken from the audit, delivered as pull requests. The audit fee is credited if you book within 30 days.
About the sprintRetainers
- Advisory retainer, up to 4 hours a month US$1,650 a monthA$2,500 a month¥250,000 a month
- Engineering retainer, up to 20 hours a month US$3,700 a monthA$5,500 a month¥550,000 a month
- Fractional retainer, up to 40 hours a month US$6,300 a monthA$9,500 a month¥950,000 a month
Monthly, 30 days' notice, unused hours do not roll over.
About the retainersTakeover
from US$8,000from A$12,000from ¥1,200,000
Hand over an app and have it made ready: the audit, a fixed-price sprint with the audit fee credited if you book it within 30 days of the readout, then an engineering retainer to keep it that way. The code and the accounts stay yours.
About the takeoverModernisation / tech-debt project
from US$15,000from A$22,000from ¥2,200,000
Legacy and platform modernisation, or a tech-debt cleanup, quoted after an audit or a discovery call.
About modernisationPrices exclude GST / consumption tax where applicable. Every price, the payment terms and how overage works are on the pricing page.
Production-ready where you are
Harden the stack you have before replacing it.
Lovable, Bolt, Replit, v0, Base44, Cursor, Supabase and Firebase got your app this far, and they are good at what they do. The default recommendation is to make the app you already have hold up in production. Moving off a platform is recommended only when the audit shows it is worth the cost.
Findings are ranked by what they mean for the business, not only by severity: revenue, exposure, what a buyer or investor will ask, and what it costs to change later. The technical plan and the business plan should point the same way.
Who does the work
Aaron Culbert
Australian, working from Japan. Principal-level engineer, co-founder & CTO at Anystack, 15+ years building software. Works in English and Japanese.
Every engagement is scoped, reviewed and signed off by Aaron, and nobody else works on your code without your written agreement. Anyfront is sold by Anystack G.K., a company registered in Japan, so your contract and invoices are with a company, not a freelancer.
Start with the free check.
It costs nothing and commits you to nothing. If you would rather talk first, read how an engagement runs or the questions people usually ask.