Comparison

iENV vs Thermal Imager

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

Head to head
About

iENV

This utility app connects UNI-T environmental meters to your smartphone via Bluetooth. It displays and records real-time data for temperature, humidity, noise, wind speed, light intensity, and rotation speed from compatible UNI-T devices.

Highlights
  • Bluetooth connectivity to UNI-T meters
  • Real-time data display
  • Data recording capabilities
  • Supports multiple environmental parameters
  • Compatible with various UNI-T meter models
Features
Read full description

iENV is an App which connects UNI-T’s mini environmental series meters to a cell phone through Bluetooth. It is a free App which can be downloaded from App Store. iENV is able to display and record real-time temperature/humidity, noise level, wind speed, light intensity and rotate speed through UNI-T meters UT333BT, UT353BT, UT363BT, UT383BT, UT372D , UT325F, UT381A , and UT382A respectively.

About

Thermal Imager

Features
Read full description

The Thermal Imager application is used to connect the infrared thermal imager. After installing this application on an iPhone, you can communicate with the thermal imager via Wi-Fi and use the tools provided by the application to perform functions such as temperature analysis of the images.

Screenshots

iENV3 screens
Thermal Imager4 screens

Verdict

The call

The clearest difference is update cadence: iENV at monthly against Thermal Imager's every 30 months. 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

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

iENV ships an update monthly, Thermal Imager every 30 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard1 real difference · 9 level
iENV versus Thermal Imager: the parameters behind the verdict, then further details
ParameteriENVThermal Imager
PriceFreeFree
Rating3.1 (7 ratings) — better—
Positive reviews25.7% of reviews—
Number of ratings7 — better—
Update frequencyMonthly — betterEvery 30 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size55 MB53 MB
Age rating4+4+
DeveloperUNI-TREND TECHNOLOGY (CHINA) CO.,LTD.Smart iMeters

In-app purchases

None

iENV

No in-app purchases

None

Thermal Imager

No in-app purchases

Questions

Is iENV free?
iENV is free to download, with no in-app purchases.
Is Thermal Imager free?
Thermal Imager is free to download, with no in-app purchases.
Do iENV or Thermal Imager have ads?
Neither iENV nor Thermal Imager shows ads.
Which is updated more often, iENV or Thermal Imager?
iENV ships an update monthly, and Thermal Imager every 30 months. Most recently, iENV was updated on October 24, 2026 and Thermal Imager on October 20, 2026.

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