Comparison

Singular Light vs Zentouch

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

Head to head
About

Singular Light

Easily track vital health information by connecting to medical devices. Monitor trends, view historical data, and securely share your health metrics with healthcare professionals.

Highlights
  • Connect CNOGA medical devices
  • Track blood pressure
  • Monitor oxygen saturation
  • View heart rate
  • Track trends over time
  • Share health data with professionals
Features
Read full description

Track your health information easily and quickly by connecting CNOGA’s medical devices to “CNOGA Singular for Patients" Application. Using CNOGA's medical state-of-the-art technology devices, you can now measure non-invasively a wide range of bio-parameters, e.g. : • Blood-Pressure • Oxygen Saturation • Mean Arterial Pressure • Heart Rate • Cardiac Output • Stroke Volume • Blood Viscosity • Blood pH • pCO2 • pO2 • O2 • CO2 • Hemoglobin • Hematocrit • Red Blood Cells Throughout the "Cnoga Singular for Patients" Application you can: • Track the trend of each parameter over a period of time. • View the history of your measurements. • Share your health information with authorized Healthcare professionals. Medical disclaimer: • The application Is not a diagnostic tool - You are expected to utilize your own judgment.

About

Zentouch

Features
Read full description

Calm your mind in two minutes. BreatheInSync guides your breathing with a beautiful, minimal animation and gentle haptics — no account, no ads, no clutter. Just open it and breathe. TECHNIQUES - 4-7-8 Breathing — fall asleep faster and ease anxiety - Box Breathing — sharpen focus and steady your nerves - 4-8 Breathing — calm the mind before sleep - 4-2-4 Breathing — a balanced everyday reset WHY BREATHEINSYNC - Follow the breath, don't read it — a calming visual guides every inhale, hold, and exhale - Feel each phase through subtle haptic feedback - Works great on iPhone and iPad - Free, private, and distraction-free Take a breath. You'll feel the difference.

Screenshots

Singular Light4 screens
Zentouch4 screens

Verdict

The call

The clearest difference is in-app purchases: Singular Light at none against Zentouch's 1. Singular Light also leads on iOS requirement (8.0 vs 17.0). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Zentouch sells 1 one-off in-app purchase. Singular Light asks for nothing beyond the download.

UpkeepUpdate frequency

Singular Light ships an update every 8 months, Zentouch every 5 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 7 level
Singular Light versus Zentouch: the parameters behind the verdict, then further details
ParameterSingular LightZentouch
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 8 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better17.0
Further details — not scored
Size26 MB4 MB
Age rating17+4+
DeveloperCNOGA Medical Ltd.Hajime Nakamura

In-app purchases

None

Singular Light

No in-app purchases

1 purchases

Zentouch

One-time1
  • Zentouch Pro$2.99

Questions

Is Singular Light free?
Singular Light is free to download, with no in-app purchases.
Is Zentouch free?
Zentouch is free to download, with in-app purchases available.
Do Singular Light or Zentouch have ads?
Neither Singular Light nor Zentouch shows ads.
Which is updated more often, Singular Light or Zentouch?
Singular Light ships an update every 8 months, and Zentouch every 5 months. Most recently, Singular Light was updated on October 30, 2026 and Zentouch on October 27, 2026.

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