Rumble Tips
The Streak That Changes Everything. Are you ready to Rumble?
PROJECT SUMMARY
Standard tipping competitions have been around forever. Pick the winners, tally the points, check the ladder. Rumble makes that feel flat. Built around fast, elimination-style competitions that complete in days not months, Rumble turns every NRL round into a last-player-standing contest. Pick the winner of every game, keep your streak alive, and outlast everyone else in the arena. One wrong call isn't the end — each round gives you a single strike as a safety net — but use it and you're on the edge. Get knocked out and you jump straight back in next round. Moonward designed and built Rumble end to end, creating a platform that layers real competitive structure on top of that core tension and positions it as a genuine mass-market alternative to the tipping apps that haven't changed in years.
CLIENT
John & Jason Chammas
INDUSTRY
Social
SERVICES
Backend Development
Branding
Design & Experience Consultation
Deployment Consultation
Product Design
Frontend Development
Store Submission
Product Development
User Testing
UI Design
UX Design

The Challenge: Making Tipping Worth Caring About

Sports tipping is one of those products that everyone has tried and most people drift away from. The format gets predictable, the stakes feel low, and once you fall behind on the ladder mid-season there's nothing pulling you back in. Rumble needed a mechanic that created genuine pressure every single round, a structure that rewarded consistency rather than just luck, and a competitive layer that gave both casual fans and serious punters a reason to stay engaged across an entire season. It also needed to be built for scale, supporting public leaderboards, private leagues with prize pools, live scores, and multi-sport expansion from day one.

Win Run Streak System

he heart of Rumble. Pick the winner of every game in a round and stay alive. One strike per round gives you a buffer, but the pressure to outlast the field makes every tip feel like it matters. Competitions complete within days, not months — fast enough to stay gripping, short enough to jump back in the moment you're out.

NRL Tips and Live Scores

Users make their picks for each NRL round and follow the action with live scores in-app, so the stakes of every game are felt in real time.

Private Competitions

Create a private league with friends, family, or a workplace group. Add a prize pool, set the rules, and compete on your own leaderboard across the season.

Public Leaderboards

Compete against the full Rumble community on round-by-round and season-long leaderboards. The public ladder adds a mass-market competitive layer for users who want to measure up against everyone.

Multi-Sport and Major Events

Rumble is built to extend beyond NRL, with support for major sporting events including the 2026 World Cup, positioning the platform for broad year-round engagement.

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organic user acquisition
9.3x
Sport in Australia
#1
Led Development
AI

John & Jason Chammas

Product Founders

project team

The team while light are a pair of sport loving individuals. Moonward was able to build the entire application and distribute to both app stores using AI. Completed in under 2 months, ready for the final leg of the 2026 NRL season.

Andrew
CEO
Lachy
Designer

9.3x Organic User Growth

The clearest measure of whether a product has genuine pull is what happens when you're not paying for attention. Rumble delivered 9.3x organic user acquisition growth, driven by users who wanted to play and brought others with them. That's what happens when the mechanic is right: the product sells itself.

OUR WORK
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our work

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Moonward has built and launched, over 100+ successful apps across a diversity of industries. Our team has perfected the art of planning, designing, developing, and delivering high-quality software products for iOS, Android, and the web.

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