KETOSCAN vs VPod
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
VPod
This wireless device combines TENS, EMS, and NMES technologies for pain relief and healing. Control its 24 modes and 20 intensity settings via a smartphone app. Customize treatment duration with an adjustable timer.
- Wireless TENS, EMS, NMES unit
- 24 unique modes
- 20 intensity settings
- Adjustable timer
- App-controlled functionality
- Pain relief and healing promotion
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VPOD TENS Unit, EMS and NMES | Wireless | 24 Modes. Get relief from pain and promote healthy healing after injury or surgery, with one device that combines both TENS and EMS functions. This is the only unit that combines 3 powerful technologies TENS, EMS & NMES in one light, sleek device. This is a wireless unit which you control with this free downloadable app for your iPhone device. This unit has 24 unique functions with 20 intensity settings. The adjustable timer allows you to customize the length of your treatment.
Screenshots
Verdict
The clearest difference is rating: VPod at 3.8 against KETOSCAN's 2.6. VPod also leads on review sentiment (50% vs 32%). KETOSCAN's advantage is update cadence (every 4 weeks vs every 9 months) and ratings volume (16 vs 5). On price, ads, in-app purchases and monetization model 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.
VPod holds the better App Store score, 3.8 against 2.6. Both are backed by a comparable volume of ratings — 16 and 5 respectively. Written reviews point the same way: 32% of KETOSCAN's written reviews are positive against 50% of VPod's.
KETOSCAN ships an update every 4 weeks, VPod every 9 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | KETOSCAN | VPod |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (16 ratings) | 3.8 (5 ratings) — better |
| Positive reviews | 31.6% of reviews | 50.0% of reviews — better |
| Number of ratings | 16 — better | 5 |
| Update frequency | Every 4 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 53 MB | 21 MB |
| Age rating | 12+ | 4+ |
| Developer | SENTECH KOREA CORP | NYSALE Inc. |
Customer experience
KETOSCAN
VPod
In-app purchases
KETOSCAN
No in-app purchases
VPod
No in-app purchases









