# E-Sensor

> E-Sensor (iPhone/iPad app by Eisuke Togashi.)

- Source: https://appshunter.io/ios/app/e-sensor/id6760690492 (this page in markdown: same URL + `.md`)
- Developer: [Eisuke Togashi](https://appshunter.io/developer/592398746)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 62 MB
- Released: 2026-03-30
- Data updated: 2026-07-22
- User reviews in markdown: https://appshunter.io/ios/app/e-sensor/id6760690492/reviews.md

## What is E?

This software is used to operate the E-Sensor, which measures temperature, humidity, velocity, illuminance, and CO₂ level.


## Version history (last 5 releases)

### 1.1.2 — 2026-07-22

・Added PMV (Predicted Mean Vote) display. Clothing and metabolic rate are adjustable.
・Fixed a display issue on iPad.
・Minor display improvements.

### 1.1.1 — 2026-06-22

When the anemometer is turned off, the wind‑speed reading is now shown as inactive (“OFF”).
A “warming up” indicator is now shown right after the anemometer is turned on, during preheating.
Improved overall stability.

### 1.1.0 — 2026-06-15

Added Kalman-filter correction for the thermal influence of the anemometer's self-heating on the temperature and humidity sensor. More accurate ambient
  temperature and humidity are shown while the anemometer is running.
Added an anemometer On/Off toggle (enabled on hardware version 1.1 and later). Turning it off displays the raw measured values.
Corrected temperature/humidity now show a "CORRECTED" badge; tap it for an explanation of the correction.
Added corrected temperature/humidity columns to the CSV export.

### 1.0.7 — 2026-06-08

Added a "WARM-UP" badge during the CO2 sensor's ~20-second bypass phase (right after startup or conditioning, when the reading is held at 390 ppm) and during the velocity sensor's ~5-second preheat. A "CONDITIONING" badge is now shown during the ~22-second initial conditioning, and related notification text has been clarified.

### 1.0.6 — 2026-06-04

Improved wind speed display: readings that exceed the sensor's guaranteed measurement range (5.0 m/s) are now shown as ">5.0" instead of a numerical value, making it easier to recognize out-of-range conditions at a glance.

## More apps by Eisuke Togashi

- [M-Logger Server](https://appshunter.io/ios/app/m-logger-server/id1599907037)

All apps by Eisuke Togashi: https://appshunter.io/developer/592398746

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-22.*