HiJavis vs Metavo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HiJavis
Instantly capture ideas and organize your knowledge into a personal knowledge base. Connect with AI agents to enhance your work and thinking processes.
- Instant idea capture
- Personal knowledge organization
- AI agent integration
- Enhanced work efficiency
- Improved thinking processes
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Javis Personal AI Agents Capture ideas instantly, organize your knowledge into your personal second brain, and connect with AI agents to help you work and think more effectively. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Metavo
This app records and displays gas concentrations from professional monitoring devices, such as carbon dioxide and breath ketones. It offers real-time measurement, data storage, and historical trend analysis through charts to help users understand their metabolic status and health changes.
- Real-time gas concentration measurement
- Data storage and historical query
- Visual trend charts
- Metabolic status tracking
- Health change references
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Metavo is a convenient date management app that works with professional monitoring devices to record and display the concentration values of gases in exhaled breath (such as carbon dioxide, breath ketones, etc.). The app supports real-time measurement, data storage, and historical record query. It visually presents the daily trend of gas concentration changes via charts, helping you clearly understand your metabolic status and health changes, providing references for daily health management. Disclaimer:This app only provides data recording, display and trend analysis services. It is not intended for medical use and does not offer medical diagnosis, treatment or prevention. All measurement data is for health management reference only and is not a substitute for professional medical advice. Consult a qualified medical professional for any health-related questions.
Screenshots
Verdict
HiJavis and Metavo both sit at 5.0 stars, but that hides the real split: 100% of HiJavis's written reviews are positive against 50% of Metavo's. Metavo's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and update cadence 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.
On the App Store both sit at effectively the same score — 5.0 for HiJavis against 5.0 for Metavo. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 100% of HiJavis's written reviews are positive against 50% of Metavo's.
HiJavis ships an update weekly, Metavo every 4 days. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.
| Parameter | HiJavis | Metavo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 310 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | DeepShare Inc. | Shenzhen Qiji Matrix Technology Co., Ltd |
Customer experience
HiJavis
Metavo
In-app purchases
HiJavis
No in-app purchases
Metavo
No in-app purchases
