WolfMark Ltd — Independent software studio

Independent software.
Built properly.

WolfMark builds practical tools for streamers, creators, and everyday systems — from AlphaStats and Fillr to the next thing worth making.

View live products Read latest updates
What we build

Real products under
one studio.

WolfMark Ltd is an independent UK software studio. We ship streamer tools, iPhone apps, and the WolfMark.tools storefront — designed, built, and maintained in-house.

Live · Streamer.bot · Free

AlphaStats

For Marbles on Stream streamers

Stats for races, Battle Royales, leaderboards, and seasons — exported to OBS-ready text files so overlays stay current without manual updates.

View AlphaStats

App Store · iPhone · v1.11

Fillr

For drivers who want clear running costs

Log fuel fill-ups, track MPG, and stay on top of servicing and renewal reminders — private, local-first, no account required.

View Fillr
Fillr dashboard summarising vehicle running costs and fuel economy

Storefront · wolfmark.tools

WolfMark.tools

Downloads, add-ons, and streamer tools in one place — including AlphaStats.

Browse the storefront

In development · Concept

Howlies

A wolf-themed cross-stream meta-game — community progression explored deliberately over a long timeline.

View projects
Live now
  • AlphaStats — free Streamer.bot stats for Marbles on Stream, downloaded from WolfMark.tools.
  • Fillr — iPhone fuel, MPG and service tracking, live on the App Store at v1.11.
Featured - WolfMark.tools

Streamer.bot tools from the studio.

WolfMark.tools is where AlphaStats and other streamer tools are downloaded — documented, maintained, and built for real Marbles on Stream setups.

Setup guides and release notes ship with every download.

  • AlphaStats and stream utilities
  • Streamer.bot-ready
  • Setup guides included
  • Maintained by WolfMark Ltd
Browse WolfMark.tools ↗
App - iPhone
Fillr

Know what your car really costs.

Fillr is a clean, modern iPhone app that helps you log fuel fill-ups, track MPG and running costs, and stay on top of vehicle renewal reminders. Now on the App Store at v1.11 — see the Fillr page for features and regional support.

No accounts. No subscriptions. Free to download, with an optional one-time Fillr Pro upgrade for multiple vehicles.

  • Fuel tracking with automatic MPG & cost calculations
  • Service & renewal reminders (MOT, Road tax, Insurance, NCT, Registration and similar by region)
  • MPG Imperial, MPG US and L/100 km support
  • Region-aware currency, units and reminder wording
  • UK defaults preserved for UK users
  • Private by design - no account, no cloud
Download on the App Store Explore Fillr Support & FAQ →
Fillr dashboard summarising vehicle running costs and fuel economy
Live on Twitch

Streaming from
the workshop.

Marbles on Stream races with live AlphaStats tracking, community gaming sessions, and the occasional coding stream. Come race, hang out, and watch things get built.

Twitch.tv/WolfMark
Follow for live alerts

WolfMark on Twitch

Gaming sessions, app dev streams, and tech deep-dives. Real content, no filler.

Follow on Twitch ↗
Mark, founder of WolfMark Ltd

Behind WolfMark Ltd

WolfMark Ltd is run by Mark, the builder behind AlphaStats, Fillr, and the tools that come next. The aim is simple: practical software, maintained properly, with no bloat or theatre.

About WolfMark →
From the studio

Recent notes.

All updates →
May 2026 · Release

Fillr v1.11 adds wider regional support

Regional profiles for the UK, Ireland, US, Canada and Australia, with UK defaults preserved.
May 2026 · Announcement

WolfMark.co.uk is live — products, apps, and updates in one place

Tools, apps, streaming, and projects consolidated under WolfMark Ltd.
April 2026 · Dev log

AlphaStats and what comes after v2

Where the suite stands today and the direction for streamer tooling ahead.