4+2R健康日記 vs KnowKnow AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4+2R健康日記
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1. 專業健康管理 - 專為現代人設計的完整健康記錄系統 2. 多維度記錄 - 體重、體脂、飲水等全方位追蹤 3. 智慧數據分析 - 自動圖表分析，趨勢追蹤與目標管理 4. 圖文筆記 - 支援多媒體健康日記記錄，可以寫日記也能拍照 5. 關鍵字搜尋 - 收錄王姿允醫師的衛教專文，讓你徹底解惑 6. 會員獎勵 - 代幣系統解鎖動畫，激勵用戶持續記錄 7. 安全隱私 - 生物辨識登入，資料加密保護 8. 多元登入 - 支援Apple、Google、LINE社群帳號
KnowKnow AI
Effortlessly track your nutrition by simply snapping a photo of your food. This AI-powered tool provides instant analysis of calorie and macronutrient content, helping you understand your dietary intake.
- AI-powered food analysis
- Instant calorie and macro breakdown
- Photo-based tracking
- Nutrition insights
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AI-powered nutrition tracker — snap a photo, get instant calorie & macro analysis. Terms of Use: https://knowknow.app/terms Privacy Policy: https://knowknow.app/privacy
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Verdict
The clearest difference is in-app purchases: 4+2R健康日記 at none against KnowKnow AI's 4. 4+2R健康日記 also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads 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
Both are free to download. KnowKnow AI sells 4 in-app purchases, starting at $9.99 per month. 4+2R健康日記 asks for nothing beyond the download.
4+2R健康日記 ships an update fortnightly, KnowKnow AI every 3 weeks. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.
| Parameter | 4+2R健康日記 | KnowKnow AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 79 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Amortality Inc. | RETOWER TECH PTE. LTD. |
In-app purchases
4+2R健康日記
No in-app purchases
KnowKnow AI
- KnowKnow Plus$9.991 Month
- KnowKnow Pro$14.991 Month
- KnowKnow Plus Yearly$113.991 Year
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- KnowKnow Pro Yearly$178.991 Year
