Comparison

Zerocal vs HowCal 厚呷

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Zerocal

This app uses AI to analyze your meals from a photo, providing instant calorie and macro breakdowns. It offers a conversational AI nutrition coach for effortless logging and visual progress tracking with smart insights like hidden sugar detection.

Highlights
  • AI meal photo analysis
  • Instant calorie and macro breakdowns
  • Conversational AI nutrition coach
  • Visual progress tracking with charts
  • Hidden sugar detection
  • Ingredient-level analysis
Features
Read full description

Calorie tracking apps are broken. They turn your lunch into a data entry project. You search "chicken breast" and get 500 conflicting entries created by random users. You scan a barcode and the macros are completely wrong. Zerocal fixes this. It’s the first AI calorie tracker you can actually talk to. No endless searching, no database clutter, and zero guesswork. Just text your AI Coach like a friend, snap a picture, or scan barcodes to get verified, bulletproof nutrition data instantly. --- TALK TO YOUR CALORIE TRACKER (NOT AN INPUT FORM) Skip the tedious search bars. Logging meals on Zerocal is literally as easy as texting your group chat. Just type: "I had two eggs, a slice of sourdough with butter, and a flat white." Your AI Coach asks smart, friendly follow-ups (portion sizes, toppings, oil used) and logs the exact database macros automatically. It’s like having a certified nutritionist on speed dial 24/7. VERIFIED FOOD DATA. NO B.S. Most calorie apps let anyone upload entries, leaving their databases full of fake or incorrect macro counts. We don't play that. Zerocal syncs directly with gold-standard sources (USDA FoodData Central and Open Food Facts) and cross-references over 2.4 million barcodes. If it's on Zerocal, the numbers are verified and accurate. SNAP A PHOTO, LOG IN 2 SECONDS Eating out? Meal prepping? Just point your camera at your plate. Zerocal’s advanced computer vision analyzes your meal—from Chipotle bowls to homemade steak & potatoes—and calculates calories, protein, carbs, and fat instantly. UNMASK THE "HEALTHY" FOODS Sugar hides everywhere. That protein bar, your favorite green juice, or that granola bowl might seem healthy, but they’re often packed with sugar. Zerocal breaks down meals at the ingredient level to flag hidden sugars and empty calories before they stall your progress. --- EVERYTHING YOU NEED TO BUILD CONSISTENCY: • CONVERSATIONAL AI COACH: Log meals, get custom recipes, and ask nutrition questions by chatting. • PHOTO LOGGING: Snap a picture to analyze macros instantly. • VERIFIED BARCODE SCANNER: Over 2.4M+ products with certified data. • MACRO TARGETS: Customize your calories, protein, carbs, and fat goals. • WEIGHT TRENDS: Smooth out daily fluctuations and see your real progress with smart charts. • HYDRATION TRACKING: Log water and build consistency. • WEEKLY REPORTS: Get personalized insights into your eating patterns and wins. --- Whether you want to lose weight, build muscle, or simply understand what you're putting into your body, Zerocal makes nutrition tracking effortless and accurate. Download Zerocal today and take control of your health. For informational purposes only. Consult a healthcare professional before making dietary decisions based on app data. --- Privacy Policy: https://zerocal.bytepoint.co/en/privacy Terms of Use (EULA): https://zerocal.bytepoint.co/en/terms

About

HowCal 厚呷

Features
Read full description

HowCal 厚呷 - 專為亞洲飲食習慣打造的卡路里追蹤 App 厭倦了國外 App 找不到滷肉飯、珍珠奶茶的熱量嗎?HowCal 內建超過1,000+ 道亞洲美食資料庫,涵蓋台灣、中國大陸、新加坡、馬來西亞道地料理,讓你輕鬆記錄每日飲食。 主要功能: 豐富的亞洲食物資料庫,蛋餅、便當、小吃、手搖飲應有盡有 快速搜尋與分類篩選,依早餐、飯類、麵類、小吃等分類 智慧熱量計算,自動計算每日攝取與剩餘額度 營養素追蹤,蛋白質、碳水化合物、脂肪一目瞭然 運動消耗建議,走路、跑步、騎車消耗對照 歷史紀錄回顧,查看過去 7 天的飲食狀況 個人化目標設定,根據身高體重計算 BMR 和 TDEE 自訂食物新增,輸入你最愛的私房料理 適合對象: 想要健康管理體重的你 注重飲食均衡的健身愛好者 喜歡亞洲美食又想控制熱量的人 服務條款(Terms of Use): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ HowCal 厚呷 - 专为亚洲饮食习惯打造的卡路里追踪 App 厌倦了国外 App 找不到卤肉饭、珍珠奶茶的热量吗?HowCal 内建超过 230 道亚洲美食数据库,涵盖台湾、中国大陆、新加坡、马来西亚道地料理,让你轻松记录每日饮食。 主要功能: 丰富的亚洲食物数据库,蛋饼、便当、小吃、手摇饮应有尽有 快速搜索与分类筛选,依早餐、饭类、面类、小吃等分类 智慧热量计算,自动计算每日摄取与剩余额度 营养素追踪,蛋白质、碳水化合物、脂肪一目了然 运动消耗建议,走路、跑步、骑车消耗对照 历史记录回顾,查看过去 7 天的饮食状况 个人化目标设定,根据身高体重计算 BMR 和 TDEE 自定义食物新增,输入你最爱的私房料理 适合对象: 想要健康管理体重的你 注重饮食均衡的健身爱好者 喜欢亚洲美食又想控制热量的人 服務條款(Terms of Use): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ HowCal - The Calorie Tracker Built for Asian Cuisine Tired of Western apps that don't know what Lu Rou Fan or Bubble Tea even are? HowCal features a database of 230+ authentic Asian dishes from Taiwan, Mainland China, Singapore, and Malaysia — making it easy to track your daily nutrition accurately. Key Features: Extensive Asian food database covering breakfast, rice dishes, noodles, snacks, and drinks Smart search and category filtering for quick food lookup Intelligent calorie tracking with daily intake and remaining budget Nutrition breakdown with protein, carbohydrates, and fat at a glance Exercise burn suggestions for walking, running, and cycling 7-day history to review your eating patterns Personalized goals with BMR and TDEE calculations based on your profile Custom food entry to add your own favorite dishes Perfect for: Anyone managing their weight through mindful eating Fitness enthusiasts who care about balanced nutrition Asian food lovers who want to track calories without compromise 服務條款(Terms of Use): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Zerocal4 screens
HowCal 厚呷4 screens

Verdict

The call

The clearest difference is update cadence: HowCal 厚呷 at every 3 days against Zerocal's monthly. Zerocal's advantage is iOS requirement (16.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Zerocal sells 4 in-app purchases, starting at $7.99 per month and HowCal 厚呷 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Zerocal ships an update monthly, HowCal 厚呷 every 3 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Zerocal versus HowCal 厚呷: the parameters behind the verdict, then further details
ParameterZerocalHowCal 厚呷
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS16.0 — better26.2
Further details — not scored
Size60 MB3 MB
Age rating17+4+
DeveloperBYTEPOINT LIMITEDCHUNG-CHING WONG

In-app purchases

4 purchases

Zerocal

Subscriptions4
  • Premium Monthly 20 Off3 Days trial$7.991 Month
  • Premium Monthly7 Days trial$9.991 Month
  • Premium Annually 20 Off3 Days trial$49.991 Year
Show 1 more
  • Premium Annually7 Days trial$59.991 Year
2 purchases

HowCal 厚呷

Subscriptions2
  • HowCal Pro Monthly7 Days trial$1.991 Month
  • HowCal Pro Annual7 Days trial$11.991 Year

Questions

Is Zerocal free?
Zerocal is free to download, with in-app purchases available.
Is HowCal 厚呷 free?
HowCal 厚呷 is free to download, with in-app purchases available.
Do Zerocal or HowCal 厚呷 have ads?
Neither Zerocal nor HowCal 厚呷 shows ads.
Which is updated more often, Zerocal or HowCal 厚呷?
Zerocal ships an update monthly, and HowCal 厚呷 every 3 days. Most recently, Zerocal was updated on October 8, 2026 and HowCal 厚呷 on October 24, 2026.

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