Historia de Chile: Trivia
Trivia that teaches Chilean history by playing it.
// Apps
Built, shipped, and in your pocket.
Every app here is built with the same system — designed, built, and shipped to the App Store by DSolutions. Honest status on each one.
// Live
Live on the App Store
Puntos Carioca
A score keeper for Carioca, the Chilean card game — rounds, ranking, and achievements.
PAES SOS Historia
Timed practice exams for Chile's PAES History & Social Science test, plus a free Lite version.
PAES SOS Ciencias
Timed practice exams for the PAES Sciences elective (Biology, Physics, Chemistry).
Free Lite version: Android
PAES SOS Matemáticas
Timed practice exams for the PAES Mathematics test — 1,017 original questions across all four axes.
Free Lite version: Android
Farmacia Lista: Examen PTCB
A practice exam for the US Pharmacy Technician Certification (PTCB).
Hipoteca Lista: Examen NMLS
A weekly study plan for the NMLS mortgage loan officer license exam.
Licencia Fácil: Bienes Raíces
Spaced-repetition study cards for the Florida real estate license exam.
// Coming soon
On the way
Ritmo y Sabor
Launching soon
Music trivia across Latin genres, from salsa to reggaetón.
Refranero Diario
Launching soon
A daily word puzzle built around Spanish proverbs.
// Custom builds
Custom apps for real operations.
Internal tools and business apps built by DSolutions — for plants, HR teams, schools, and small businesses. Screenshots use sample data, never a client's real information.
Daily Management Board
SQDCP daily management board for a manufacturing plant — safety, quality, cost, delivery, and people KPIs with trends and action items on one screen.
LaunchPad
Training and skills platform — courses, a skill matrix, certificates, and KPIs tied to each person's growth, in English and Spanish.
HR Suite
Full HR suite for a beauty business in Chile — hiring, onboarding, payroll, attendance, leave, and an org chart.
Onboarding Portal
Guided portal that walks every new hire through the company's values, policies, and team before day one.
Suggestion Box
Employee suggestion system with an admin view that exports every idea straight to a spreadsheet.
Aula
Communication hub that connects schools, teachers, and families — announcements by district, school, and classroom, plus a shared calendar.
Group Trip Planner
Group trip planner — itinerary, supplier comparison, voting, payments, shared expenses, and a who-owes-whom settlement.
LEDGERLY
Accounting suite for accounting firms — multiple client companies, bookkeeping, financial statements, and client billing.
Nail Studio Website
Portfolio-first website for a luxury nail studio — services, gallery, and online booking.
// Talk to David
Want to see this applied to your business?
30 minutes, no pitch deck — a straight look at your operation from someone who spent twenty years running them, and what sealing the leak could be worth.