O'care Body Composition App vs KnowKnow AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O'care Body Composition App
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Track your body composition measurement results using easy-to-read progress charts, and stay motivated on your lifelong fitness journey! Transform how you take care of yourself, and see what's working and what's not with analysis of body fat, muscle, water, and more! (output results vary depending on smart scale model) o'care makes the recording of body composition results straightforward and convenient. Add as many user accounts as you need, and sync results with your smartphone automatically! Enjoy a hassle-free user experience: no in-app purchases, no ads. o'care 3.0 is compatible with iOS 11 or later
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
Screenshots
Verdict
The clearest difference is in-app purchases: O'care Body Composition App at none against KnowKnow AI's 4. O'care Body Composition App also leads on iOS requirement (12.0 vs 16.4). KnowKnow AI's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, 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. O'care Body Composition App asks for nothing beyond the download.
O'care Body Composition App ships an update every 6 weeks, KnowKnow AI every 3 weeks. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.
| Parameter | O'care Body Composition App | KnowKnow AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 69 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Charder Electronic Co., Ltd. | RETOWER TECH PTE. LTD. |
In-app purchases
O'care Body Composition App
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
Questions
Is O'care Body Composition App free?
Is KnowKnow AI free?
Do O'care Body Composition App or KnowKnow AI have ads?
Which is updated more often, O'care Body Composition App or KnowKnow AI?
Other comparisons
