Comparison

NiteVision vs Narvi Flow

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

Head to head
About

NiteVision

Control your Nitehog thermal device from your smartphone. View live thermal imagery, record video clips, and adjust settings remotely with customized alerts. Offers real-time monitoring and enhanced surveillance capabilities.

Highlights
  • Live thermal imagery view
  • Record video clips
  • Remote device control
  • Customized alerts
  • Connect to one Nitehog device
Features
Read full description

Welcome to NiteVision, the ultimate companion for controlling your Nitehog thermal device right from your smartphone. With NiteVision, you can seamlessly connect to and manage one Nitehog device at a time, offering unparalleled control and monitoring capabilities. Immerse yourself in real-time thermal imagery with our live view feature, providing clear visuals even in the darkest environments. Capture crucial moments by recording video clips directly to your device, ensuring you never miss a thing. Take full command of your Nitehog device remotely, adjusting settings and receiving customized alerts for enhanced surveillance

About

Narvi Flow

Read full description

Feel control with the Narvi Flow Wifi electric sauna heater controller and app! With the Narvi Flow app, you can control and manage your electric sauna heater remotely using your mobile device or smart device. The app is designed for use with Narvi sauna heaters equipped with the Narvi Flow Wifi controller/control system. Turn your sauna on with a single press — anytime, anywhere. Open the app on your mobile device, set a timer, and perfect sauna heat will be waiting for you when you arrive. The app also provides notifications and allows you to monitor the status of the sauna room. Narvi Flow app features: - Control and management of the sauna heater - Turn the heater on and off using a smartphone or tablet - Temperature adjustment (40–115°C) - Pre-set start timer for the heater (up to 6 hours) - Heater registration - Works only with the Narvi Flow Wifi control system - Requires a safety device (Narvi door switch) - Free app

Screenshots

NiteVision3 screens
Narvi Flow4 screens

Verdict

The call

NiteVision and Narvi Flow are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

UpkeepUpdate frequency

NiteVision ships an update every 3 weeks, Narvi Flow every 4 weeks. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

ScorecardNo meaningful differences
NiteVision versus Narvi Flow: the parameters behind the verdict, then further details
ParameterNiteVisionNarvi Flow
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 weeks — betterEvery 4 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size262 MB32 MB
Age rating12+17+
DeveloperNitehogNarvi Oy

In-app purchases

None

NiteVision

No in-app purchases

None

Narvi Flow

No in-app purchases

Questions

Is NiteVision free?
NiteVision is free to download, with no in-app purchases.
Is Narvi Flow free?
Narvi Flow is free to download, with no in-app purchases.
Do NiteVision or Narvi Flow have ads?
Neither NiteVision nor Narvi Flow shows ads.
Which is updated more often, NiteVision or Narvi Flow?
NiteVision ships an update every 3 weeks, and Narvi Flow every 4 weeks. Most recently, NiteVision was updated on October 5, 2026 and Narvi Flow on September 28, 2026.

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