DietDiary AI vs CarbFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DietDiary AI
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Just snap a photo! AI calculates calories for you Take a photo of your meal and AI automatically recognizes the food, calculating calories and nutrients. No more searching and manually entering every food item. Key Features AI Food Recognition Snap a photo or choose from your gallery - AI identifies your food and analyzes calories, carbs, protein, fat, plus vitamins and minerals. Easy Text Logging Simply type "Lunch: grilled chicken sandwich, side salad" and AI analyzes it for you. Visual Statistics Track your daily/weekly/monthly calorie intake, nutrient ratios, and weight changes with intuitive charts. AI Nutrition Advice Get personalized health advice based on your eating habits: - Nutritional analysis - Diet advice - Health tips - Meal suggestions - Ask your own questions Weight Tracking Log your daily weight and monitor your progress over time. Food Diary Record your thoughts and feelings alongside your meals. Personalized Settings Enter your age, height, weight, and activity level to get automatic recommended calorie calculations. Data Backup Safely backup and restore your precious records. 11 Languages Supported English, Korean, Japanese, Chinese (Simplified/Traditional), Spanish, French, German, Italian, Portuguese, Arabic
CarbFlow
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CarbFlow 是一款专注碳循环的轻量饮食与训练记录工具。它把每日碳日、宏量营养素、训练和身体变化放在同一条节奏里,减少反复计算,让你更容易坚持自己的计划。 【看懂今天】 • 安排高、中、低碳日,一眼确认今天的饮食节奏 • 实时显示摄入净值、营养进度与剩余或已超额度 • 每次记录后即时更新,无需手动汇总 【快速记录】 • 记录碳水、蛋白质和脂肪摄入 • 常吃食物一键添加,支持搜索与自定义食物 • 输入实际克数后自动等比换算营养含量 • 支持部分食材按生重或熟重选择,更贴近日常称量方式 • 灵活记录力量、有氧与自定义训练,可调整时长、强度和消耗热量 【回看变化】 • 通过日历回看每天的碳日、饮食与训练记录 • 记录体重、体脂和身体围度,查看阶段变化 【Pro 计划】 一次购买,终身使用。解锁: • 结合性别、年龄、身高、体重、体脂、目标和活动量生成个性化摄入参考 • 一周碳日安排、一键应用与重新评估 • 7 / 14 / 30 天趋势复盘与计划微调参考 • 桌面小组件,快速查看今日碳日、摄入净值与营养进度
Screenshots
Verdict
The clearest difference is ads: CarbFlow at none against DietDiary AI's shown. DietDiary AI's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, update cadence and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DietDiary AI ships an update every 4 days, CarbFlow every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | DietDiary AI | CarbFlow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 33 MB | 6 MB |
| Age rating | 12+ | 4+ |
| Developer | GivenNow | 嘉琪 郑 |
In-app purchases
DietDiary AI
No in-app purchases
CarbFlow
No in-app purchases









