iENV vs Smart iMeters
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Bluetooth connectivity to UNI-T meters
- Real-time data display
- Data recording capabilities
- Supports multiple environmental parameters
- Compatible with various UNI-T meter models
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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.
Smart iMeters
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Smart iMeters is a free APP that can be installed on smartphones and connected to the surrounding Therperature Humidity Meter, Sound Meter , Anemometer, Light Meter and Tachometer via Bluetooth to measure and record temperature and humidity, noise, wind speed, illuminance and rotational velocity in real time.
Screenshots
Verdict
The clearest difference is update cadence: iENV at monthly against Smart iMeters's every 20 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iENV ships an update monthly, Smart iMeters every 20 months. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.
| Parameter | iENV | Smart iMeters |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (7 ratings) — better | — |
| Positive reviews | 25.7% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Monthly — better | Every 20 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 55 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. | Changzhou Haoyi Technology Co.,Ltd. |
In-app purchases
iENV
No in-app purchases
Smart iMeters
No in-app purchases
