BoltStudio

Selected work · 2023 – 2026

Six things we shipped, and what happened next.

Every project below went live and stayed live. No concepts, no unbuilt renders, no "reimagining" of an app that already exists. Where we could get permission, we've put the real numbers in.

A laptop on a wooden desk showing the Tidepool cash-flow forecast.
FintechWeb app9 weeks2025

Tidepool

Cash-flow forecasting that freelancers actually open.

The problem

Maya had a nineteen-page spec, a half-finished Rails app from a previous agency, and eleven months of runway. Freelancers she interviewed all said the same thing: they don't want accounting software, they want to know if they can pay rent in March.

What we shipped

We cut the spec to one page. A single forecast screen, bank sync through Plaid, invoice reminders, and nothing else. Rebuilt on Next.js and Postgres, with a design system of nineteen components that her in-house hire picked up in a day.

What happened

Launched on Product Hunt nine weeks after kickoff. Paid conversion from free trial sat at 11% in month one and never dropped below 9%. Raised a €2.4M seed the following spring, largely on the retention curve.

12,400users in Q1
11%trial to paid
€2.4Mseed raised
A travel flat-lay: a folded paper map, field notebook, camera and packed bag.
TraveliOS & Android11 weeks2025

Roamer

A trip planner that works when the signal doesn't.

The problem

Every travel app on the market assumes a connection. Roamer's founders had watched users abandon their web prototype at exactly the moment it mattered most — standing in a foreign station with no data, trying to find the itinerary they'd built.

What we shipped

Native iOS and Android sharing a Kotlin Multiplatform sync core. Everything writes locally first and reconciles later with conflict resolution that doesn't lose a changed hotel booking. Maps, tickets and notes cached ahead of departure.

What happened

Apple featured it under "New Apps We Love" in three markets six weeks after launch. Crash-free sessions have held at 99.7%. The team hired two engineers who inherited the codebase without a handover call — the README was enough.

4.8★App Store rating
99.7%crash-free sessions
3markets featured
A potter's clay-covered hands shaping a vessel on a spinning wheel.
MarketplacePayments14 weeks2024

Kilnhouse

Studio bookings for ceramicists, minus the spreadsheet.

The problem

Two hundred independent ceramics studios across Europe were running kiln bookings on shared spreadsheets and WhatsApp. Double-bookings were routine. Nobody had built for them because the market looked too small to matter.

What we shipped

A two-sided marketplace with real-time kiln availability, Stripe Connect payouts, deposit handling and a studio-owner dashboard designed for someone with clay on their hands and one free thumb.

What happened

Ninety studios onboarded in the first two months, largely by word of mouth. Booking volume has grown every month since launch, and the double-booking support tickets that used to dominate their inbox went to zero.

3,100bookings / month
90studios in 60 days
0double bookings
A long row of solar panels in a green field under a bright sky.
ClimateField ops16 weeks2024

Northbeam Energy

Software for people standing on a roof in the rain.

The problem

Northbeam's installers were losing ninety minutes a day to paperwork: site surveys on paper, photos on personal phones, sign-offs faxed from a van. Their previous vendor had shipped a beautiful desktop tool nobody in the field could use.

What we shipped

We spent the first fortnight on rooftops with crews before opening Figma. What came out was a glove-friendly mobile app with offline-first surveys, guided photo capture, and an ops dashboard that turns a completed job into an invoice in one tap.

What happened

Admin time per installation dropped from ninety minutes to under twenty. Northbeam took on 40% more installations the following season without adding back-office headcount, and we stayed on as fractional CTO through their Series A.

78%less admin time
+40%installs per season
210daily field users
A small retail owner packing an online order at a wooden counter.
RetailGrowth7 weeks2023

Petal & Pine

A checkout that stopped losing half the cart.

The problem

A twelve-store plant retailer with a beautiful catalogue and a checkout that leaked. They assumed the fix was a redesign. Nothing was instrumented, so nobody actually knew where people were dropping out.

What we shipped

Instrumentation first, opinions second. Once we could see it, the answer was unglamorous: a delivery-date step that loaded in four seconds, and a guest checkout buried behind an account wall. We rebuilt both and ran six weeks of A/B tests.

What happened

Cart abandonment fell by a third. Mobile revenue overtook desktop for the first time inside a quarter. The redesign they came in asking for never happened, and they've stopped asking.

−34%cart abandonment
+52%mobile revenue
1.9scheckout load
A clinician in a white coat checking appointment times on a phone.
HealthMVP10 weeks2023

Halcyon Health

Booking for therapy practices, built for the awkward parts.

The problem

Small therapy practices were juggling three tools to handle intake, scheduling and late cancellations. Every existing product was built for large clinics and priced accordingly. Trust and privacy mattered more than features.

What we shipped

A GDPR-first MVP: intake forms with granular consent, calendar sync, sliding-scale pricing, and a cancellation flow written with an actual therapist looking over our shoulder. Data minimised by default; nothing collected we couldn't justify.

What happened

Forty practices in the first six months, all inbound. No-shows dropped by nearly half thanks to the reminder flow. They passed a client-mandated security review with no findings, which is the outcome we were quietly most proud of.

40practices in 6 months
−46%no-show rate
0security findings

The honest bit

Not every project makes the website

We've had one build cancelled at week three because the market moved, and one where we badly underestimated a migration and ate the overrun. We'll talk you through both on a call if you want the unvarnished version.

Ask us about those

Next kickoff: early next month

Your thing could be number seven.

Tell us what you're building and what's in the way. We'll come back within a working day with a straight answer about fit, timing and roughly what it costs.

Start a project What we do