D10 Developments — Website & App Builders, Essex

The No.10 shirt doesn't score every goal. It sets up the ones that count.

D10Developments designs and builds the web apps behind grassroots football in Essex — the booking systems, prediction leagues and matchday tools that keep clubs, coaches and fans running. Four builds below. All live. All still being played.

See the squad ↓ Get in touch
04Live builds shipped
100%Real users, not demos
1Small team behind all of it

Approach

D10Developments is a small build shop with one focus: apps that a five-a-side league, a fitness class or a fan podcast can actually run on. Nothing below is a mockup or a pitch deck — every product is live, in the hands of real players, coaches and readers around Chelmsford and the wider Essex grassroots game.

The Squad

Four builds, all fielded — three live, one in pre-season

01 Screenshot of onemoreweek.co.uk
Live · onemoreweek.co.uk

One More Week

Last-man-standing prediction pool · Premier League

"Pick a team. Win this week. Stay alive."

The classic group-chat pick 'em, minus the spreadsheet. Players choose one Premier League team a gameweek — use a team once, lose or draw and you're out. One More Week runs the fixtures, deadlines and eliminations itself, with a live elimination feed and a Hall of Fame for every competition that's been played out.

Free to play Public & private leagues Add to home screen
Visit onemoreweek.co.uk
02 Screenshot of app.footballfitnessclub.co.uk
Live · app.footballfitnessclub.co.uk

Football Fitness Club

Session booking & coaching · Chelmsford

"Get fit with a ball at your feet."

Founded by two former players turned UEFA-qualified coaches, FFC runs football-based fitness training for every ability in Chelmsford. The app handles session booking, attendance and payments, and puts coach credentials — FA/UEFA badges, DBS, first aid — front and centre, so parents and players know exactly who's running the session.

Est. 2019 FA & UEFA qualified coaches 50+ footballers booked in
Visit footballfitnessclub.co.uk
03 Screenshot of Grassroots Magazine
Live (early access) · grassroots magazine

Grassroots Magazine

Digital matchday magazine · Essex football

"Youth leagues. Charity football. Real stories."

A free weekly magazine for grassroots football across Essex — match reports, club features and the people behind youth, adult and charity leagues. Currently live as an early PWA hub with an issue archive, a podcast feed and match-alert sign-up, ahead of the full site.

Free, weekly issues Match reports & podcast Issue 46 · Aug 2026
Read the latest issue
04
In pre-season · sponsorakit.co.uk

Sponsorakit

Club & kit sponsorship, matched

The newest name on the team sheet — sponsor a kit, in a word. Sponsorakit is shaping up to help grassroots clubs and local businesses find each other for shirt, kit and matchday sponsorship — build in progress, details to follow once it's out of pre-season.

In development
sponsorakit.co.uk — launching soon

Get in touch

Want D10 to build your No.10?

D10Developments takes on a small number of web and app builds at a time. If you're running a club, a league or a community that needs its own booking system, prediction game or matchday tool — let's talk about what you're trying to run.

Email D10Developments