Comparison

KETOSCAN vs VPod

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Breath ketone measurement
  • Body fat decomposition rate
  • Ketogenic diet support
  • Health app integration
  • Scientific diet tracking
Features
Read full description

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

About

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.

Highlights
  • Wireless TENS, EMS, NMES unit
  • 24 unique modes
  • 20 intensity settings
  • Adjustable timer
  • App-controlled functionality
  • Pain relief and healing promotion
Features
Read full description

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

KETOSCAN4 screens
VPod4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
KETOSCAN versus VPod: the parameters behind the verdict, then further details
ParameterKETOSCANVPod
PriceFreeFree
Rating2.6 (16 ratings)3.8 (5 ratings) — better
Positive reviews31.6% of reviews50.0% of reviews — better
Number of ratings16 — better5
Update frequencyEvery 4 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size53 MB21 MB
Age rating12+4+
DeveloperSENTECH KOREA CORPNYSALE Inc.

Customer experience

KETOSCAN

All ratings15 ratings
Positive40.0%
Neutral6.7%
Negative53.3%
Written reviews19 reviews
Positive31.6%
Neutral5.3%
Negative63.2%

VPod

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

In-app purchases

None

KETOSCAN

No in-app purchases

None

VPod

No in-app purchases

Questions

Is KETOSCAN free?
KETOSCAN is free to download, with no in-app purchases.
Is VPod free?
VPod is free to download, with no in-app purchases.
Which has better reviews, KETOSCAN or VPod?
VPod is rated higher. KETOSCAN averages 2.6 out of 5 from 16 ratings, while VPod averages 3.8 from 5 ratings.
Do KETOSCAN or VPod have ads?
Neither KETOSCAN nor VPod shows ads.
Which is updated more often, KETOSCAN or VPod?
KETOSCAN ships an update every 4 weeks, and VPod every 9 months. Most recently, KETOSCAN was updated on November 2, 2026 and VPod on November 3, 2026.

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