✨ 提供 151 種語言

減重卡路里追蹤器 與 AI 和科學

新功能:從任一儀表板卡片分享你的進度。此外,體重預測更準確,並可讀取完整的「健康」體重紀錄。

AI 身體預覽 肌肉評分 體重預測 碳足跡 麩質檢測

功能

查看實際效果

滑動查看應用程式的截圖

你的減重旅程

你的減重旅程

從開始到目標體重可視化你的進展

蘋果健康整合

蘋果健康整合

同步你的健身追蹤器。根據運動強度可視化體重影響。沒有追蹤器?我們的「添加活動」功能涵蓋45種以上的運動

體重預測

體重預測

查看里程碑日期、你的每日計劃——以及你是否在為夏季身材而努力

AI 食物掃描器

AI 食物掃描器

拍照並獲得即時卡路里估算

運動日誌

運動日誌

查看燃燒的卡路里及其意義

卡路里赤字

卡路里赤字

查看你距離目標的距離——以及背後的真正原因

減少你的碳足跡

減少你的碳足跡

在減重的同時追蹤和減少你飲食選擇的二氧化碳排放

可視化禁食影響

可視化禁食影響

可視化禁食窗口——及其對你體重的直接影響

功能

LyteFast 有何不同之處

科學支持的可持續體重管理功能

AI

AI 身體預覽

查看您目標體重的 AI 生成照片

AI

肌肉評分

AI 根據照片評分您的肌肉群並顯示您的排名

BASE

體重預測

根據近期數據和目標,使用自動縮放圖表預測您的體重趨勢

BASE

預算基礎卡路里

預算基礎的卡路里追蹤 - 簡單的「支出 vs. 預算」方法

AI

AI 食物掃描器

拍照後,立即獲得卡路里估算,每天可掃描50次。

AI

食物條碼掃描器

掃描條碼以獲得精確的即時卡路里估算和麩質狀態

BASE

可視化禁食影響

可視化禁食窗口——及其對你體重的直接影響

BASE

卡路里赤字

查看每日赤字/盈餘與您的目標之間的視覺圖表

BASE

碳足跡

追蹤您飲食選擇的環境影響 (CO₂e)

BASE

麩質檢測

基於條碼掃描和餐點分析的麩質指標

FREE

運動日誌

同步你的健身追蹤器。根據運動強度可視化體重影響。沒有追蹤器?我們的「添加活動」功能涵蓋45種以上的運動

FREE

分享

動畫百分比到目標的指示器 + 獨家自動縮放的體重圖表,顯示進度和里程碑達成時間。

科學支持

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.

解鎖高級訪問

透過預算控制卡路里和激勵圖表來追蹤你的體重

免費

  • 你的減重旅程
  • 運動日誌
  • 蘋果健康整合
  • 分享

Base Access

  • 體重預測
  • 卡路里赤字
  • 可視化禁食影響
  • 碳足跡
  • 麩質檢測

解鎖AI功能

  • AI 食物掃描器
  • 食物條碼掃描器
  • AI 身體預覽
  • 肌肉評分

準備好開始你的旅程了嗎?

今天下載 LyteFast,獲得 3 天免費試用!

在 App Store 下載

隨時取消 • 151 語言