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The structured challenge mode — set a goal weight, pick 30 to 180 days, and the app aggregates every food, walking, and weight entry into one timeline. Unlocked with sponsorship.
The web app works on iPhone, Android, desktop, and tablet — same experience everywhere. Prefer a home-screen icon and native notifications on Android? Get the Android app instead.
The 90-Day Challenge is a sponsorship feature — a configurable challenge window from 30 to 180 days that turns a goal into a structured timeline. The free trackers stay free forever; the Challenge is the optional structured program on top, included with sponsorship.
When you set one up, you provide:
The duration is fixed once the challenge starts. There is no adaptive timeline that stretches or compresses based on progress, no banking of surplus days, no multi-week phases. You pick a window and the Challenge holds you to it.
At the top: Day X of Y, a progress bar, days remaining, and a projected end date calculated from your start.
Below that, a Challenge Timeline — one card per day showing food, walking, and weight data auto-aggregated from the respective trackers. You don't re-log anything; the Challenge pulls from whatever you recorded in the Calorie, Walking, and Weight trackers for that date. Days before today show history; today's card updates live as you log.
Choose a duration that feels serious but believable — 60 to 90 days is often the sweet spot. Review weekly, not daily; the timeline cards are built for pattern spotting, not hour-by-hour reaction. If the goal weight needs to move, edit it inline and let the daily targets update, instead of running the math in your head.
Pick 30–180 days, start date (now or future), start weight, goal weight, daily calorie target, and daily burn target.
The Challenge pulls from your food, walking, and weight logs into one timeline card per day. You don't re-enter anything.
Edit goal weight mid-challenge and daily targets recalculate. Reactivate a finished challenge within 24 hours; otherwise start a new one.
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90-Day Challenge
The web app works on every device, including iPhone. Android users can also install the native app from the Play Store.
It turns your goal into a structured time frame. Set a challenge between 30 and 180 days, choose your goal weight, and the app calculates your daily calorie and burn targets. You can see how much you can eat, how much to burn, how much time is left, and your trend over time.
Log daily, but review and make decisions weekly. Daily obsessing over the dashboard tends to lead to over-corrections based on normal fluctuations.
Audit adherence first - are you actually hitting your targets consistently? If yes, make one adjustment: reduce intake by 100-200 calories or add 2,000 steps per day. Not both at once.
Pick a window that gives the goal enough time to happen without making the process feel endless. For many people, 60 to 90 days is long enough to show meaningful change and short enough to stay mentally engaged. If the timeline forces extreme daily targets, the setup is probably too aggressive.
Fix one clear leak first instead of redesigning the whole plan. That might mean logging weekends, restoring a walking floor, or tightening the eating window again. Hidden drift usually responds better to one clean correction than to a dramatic new strategy.
You review what actually worked, then decide whether the next phase is another fat-loss block or a steadier maintenance period. A second challenge should build on the lessons of the first one instead of pretending you are starting from zero again. The dashboard is useful for that because it shows where execution was strong and where it drifted.
Free intermittent fasting tracker — pick a window, run it with a live timer, and keep a rolling record of what you actually did.
Run a deliberate long fast from 24 to 168 hours, with hour-by-hour stage content and milestone callouts.
Free weight tracker — log daily, edit recent entries inline, and see 7, 30, or 180 days at a glance.
Free walking tracker — start a timer, pick your pace, and let pause/resume handle real-life interruptions.
Free calorie tracker — log meals once, save them to My Foods, and watch your daily remaining calories update live.
The structured challenge mode — set a goal weight, pick 30 to 180 days, and the app aggregates every food, walking, and weight entry into one timeline. Unlocked with sponsorship.