KETOSCAN vs Rethryv Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KETOSCAN
This device measures ketone levels through breath analysis, indicating body fat decomposition. It's ideal for those on ketogenic diets or seeking to monitor fat loss scientifically. Data can be integrated with the Health app for comprehensive tracking.
- Breath ketone measurement
- Body fat decomposition rate
- Ketogenic diet support
- Health app integration
- Scientific diet tracking
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Equipped with a high-precision sensor, it measures the state of the ketone by simple breathing The ketone meter. 1. What is KETOSCAN? KETOSCAN is the first portable acetone gas analyzer in Korea, Acetone, which is one of the ketone bodies produced when decomposing body fat, flows through the blood vessels and is discharged through the lungs through the respiration. It is a product that can measure the blood ketone concentration and the body fat decomposition rate by measuring the concentration of the breathing acetone gas. 2. Who needs a KETOSCAN? - Low Carb High Fat Diet (LCHF / Ketogenic Diet) When you need to measure your ketone production! - When you lose body fat through low-calorie diet, check for the scientific diet check that only the body fat is decomposed not the muscle! - For the purpose of ketosis check! 3. Integration with the Health app - KETOSCAN read data from health app such as 'Active Energy', 'Dietary Energy', 'Weight' - It is used for your records. - You can allow to read at Settings -> Privacy -> Health -> KETOSCAN
Rethryv Connect
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Rethryv Connect is your longevity partner, keeping your program, your data, and your care team all in one place. Rethryv Connect is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or qualified health provider with any questions you may have regarding a medical condition.
Screenshots
Verdict
The clearest difference is iOS requirement: KETOSCAN at 12.0 against Rethryv Connect's 15.1. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | KETOSCAN | Rethryv Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (16 ratings) — better | — |
| Positive reviews | 31.6% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 4 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 53 MB | 37 MB |
| Age rating | 12+ | 17+ |
| Developer | SENTECH KOREA CORP | Project R2025, LLC |
In-app purchases
KETOSCAN
No in-app purchases
Rethryv Connect
No in-app purchases









