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Korrigedh Kalan Dhergh Kyns gans AI ha Gwybodaeth

Gwerthansow gans gwenyn a'n gwenwyn, kothman gans AI ow kelwel gans barcod, rag kalori, kornow carbon, ha flagow gluten; yn-dann kalori budgetow ha kalori diffrith.

Dheghow AI Ragenn Gwas Prysur Dros an Dheredh Korrsow Karbona Gwirfodd Glutenn

Niverow

Gwel gans owth action

Swip gans an screenshots a'n app

Your Weight Loss Journey

Your Weight Loss Journey

Visualize your progress from start to target weight

Integrasyon Apple Health

Integrasyon Apple Health

Sync your fitness tracker. Visualize weight impact by workout intensity. No tracker? Our 'Add Activity' feature covers 45+ sports

Prysur Dros an Dheredh

Prysur Dros an Dheredh

See milestone dates, your daily plan — and whether you're on track for your summer body

AI Fod Scanner

AI Fod Scanner

Snap a photo and get instant calorie estimates

Exercise Log

Exercise Log

See calories burned and what they mean

Kalon Dhedh

Kalon Dhedh

See how far you are from goal—and the real reasons behind it

Reduce Your Carbon Footprint

Reduce Your Carbon Footprint

Track and reduce CO2 emissions from your food choices while losing weight

Visualize Fasting impact

Visualize Fasting impact

Visualize fasting windows—and their direct effect on your weight

Niverow

What makes LyteFast different in Kernewek is: "Py a wra LyteFast yn gwrys yn-dann?"

Niverow gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans gans g

AI

Dheghow AI

Gwel an llun gans AI a gath gans owth gwellhe an peswar

AI

Ragenn Gwas

AI a wra ragennow dhywgh gwasow eus gans llun ha gwel ow kelwel

BASE

Prysur Dros an Dheredh

Projekta ow pes war an trend a'n pes gans data a'n termyn a dheu ha'n golow gans diagramm Auto-Zoom.

BASE

Kaloriow a Vynner Dhedhyow

Kewsel kalori ow kelwel war an bret - yns an 'spend vs. budget' yns y'n gwrys.

AI

AI Fod Scanner

Tegyn ow kelwel, der an gath gans 50 skanow dhe'n de.

AI

Food Barcode Scanner

Scan barcodes for precise instant calorie estimates and gluten status

BASE

Visualize Fasting impact

Visualize fasting windows—and their direct effect on your weight

BASE

Kalon Dhedh

Gwel an difen/kolled beus ow target gans diagrammow owth an vewes.

BASE

Korrsow Karbona

Trac an effa an bys (CO₂e) a'n choosow bwyd a wre'th.

BASE

Gwirfodd Glutenn

Gluten indics a vynnans an barcode ha'n anlysys meur.

FREE

Exercise Log

Sync your fitness tracker. Visualize weight impact by workout intensity. No tracker? Our 'Add Activity' feature covers 45+ sports

FREE

Rag an Dhiworth

Animated %-to-goal gauge + exclusive Auto-Zoom weight chart with prediction—see progress and when milestones hit.

Science-Backed

Research Backing LyteFast

Peer-reviewed references supporting weight forecasting, energy balance, carbon footprint of diets, gluten detection, nutrition databases, and AI food analysis.

Weight Forecast

Weight forecasting uses predictive models based on energy balance principles to project future weight trends from recent data. Research shows that self-monitoring of weight and calorie intake, combined with trend smoothing to reduce day-to-day noise, helps people understand their trajectory and make timely adjustments. Short-horizon predictive modeling turns your recent trajectory into actionable forecasts that support adherence and long-term habits.

Budget-Based Calories

Pre-set calorie budgets with clear "within budget" or "over budget" feedback help users make informed food choices in real-time. Research demonstrates that this decision-support approach improves adherence to calorie goals by reducing cognitive load and providing immediate, actionable feedback. The simple "spend vs. budget" framework aligns with behavioral economics principles that show people make better decisions when they have clear constraints and instant feedback on their choices.

Calorie Deficit & Energy Balance

Energy balance—the relationship between calories consumed and calories burned—is the primary driver of weight change. Research consistently shows that creating a calorie deficit leads to weight loss, while a surplus leads to weight gain. Visualizing this deficit in real-time helps users understand how their daily choices impact their progress toward goals. The app translates energy balance into plain language, showing the gap between current intake and target, and what changes can close that gap.

AI Food Scanner

Artificial intelligence and machine learning enable automated food recognition from photos, text descriptions, and barcode scanning. Research shows that AI-powered nutrition estimation can provide reasonable accuracy for common foods, helping users log meals more quickly and consistently. The combination of photo analysis, barcode scanning, and text parsing creates multiple pathways for food logging, reducing barriers to self-monitoring and improving adherence to calorie tracking.

Carbon Footprint

Food production accounts for a significant portion of global greenhouse gas emissions. Research shows that different foods have vastly different carbon footprints, and dietary choices can substantially impact environmental sustainability. Tracking the carbon footprint of meals helps users understand the environmental impact of their food choices and make more sustainable decisions. Studies demonstrate that even small dietary changes can meaningfully reduce carbon emissions.

Gluten Detection

For people with celiac disease or gluten sensitivity, avoiding gluten is essential for health. Research shows that even small amounts of gluten can cause symptoms and long-term damage in sensitive individuals. Barcode scanning and food analysis can help identify gluten-containing products, providing quick screening to support gluten-free dietary adherence. While the app provides indicators based on product information, it's important to note that it's an estimator and not a replacement for careful label reading or medical guidance.

Unlock Premium Access

Track your weight with budget-based calorie control and motivating charts

FREE

  • Your Weight Loss Journey
  • Exercise Log
  • Integrasyon Apple Health
  • Rag an Dhiworth

Base Access

  • Prysur Dros an Dheredh
  • Kalon Dhedh
  • Visualize Fasting impact
  • Korrsow Karbona
  • Gwirfodd Glutenn

Unlock AI Features

  • AI Fod Scanner
  • Food Barcode Scanner
  • Dheghow AI
  • Ragenn Gwas

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