Celsius Thermometer Plus vs SensorBlue
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Celsius Thermometer Plus
This app measures ambient temperature using GPS and displays it in Celsius, with a converter to Fahrenheit. It also includes a barometer and sunrise/sunset times. Useful for checking outdoor conditions and planning outfits.
- Ambient temperature measurement via GPS
- Celsius to Fahrenheit conversion calculator
- Barometric pressure sensor function
- Sunrise and sunset time display
- Temperature badge indicator
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The simple free digital thermometer application that measures the ambient temperature of the current location measured by GPS and displays it in degrees Celsius. The conversion calculator from Celsius to Fahrenheit with formula. Celsius temperature is indicated in the badge (below zero is 1000, 1005 is -5 ℃). Barometric function by pressure sensor (iPhone 6 / Plus or later). Because it is outdoor temperature rather than indoor temperature, it is a reference for outfit clothes. Some areas are excluded. Displays sunrise time and sunset time.
SensorBlue
Easily monitor temperature and humidity conditions affecting your belongings. Pair the app with a compatible sensor to view real-time environmental status. Export historical data for analysis.
- Real-time temp and humidity monitoring
- Easy sensor pairing
- Support for over 100 devices
- Data export to CSV
- 10-minute data recording interval
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The Smart Hygrometer Thermometer is the easiest way to monitor the humidity and temperature conditions affecting the things you are about. Just quickly pair the app with the humidity-temperature sensor. Then you can check the current temp and humidity status of the environment. You can connect more than 100 devices in your app. If you want to use data, you can export your entire history to CSV for analysis. It records the data every 10 mins.
Screenshots
Verdict
The clearest difference is rating: Celsius Thermometer Plus at 4.7 against SensorBlue's 3.2. Celsius Thermometer Plus also leads on ratings volume (54 vs 14). SensorBlue's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement 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. Celsius Thermometer Plus sells 1 one-off in-app purchase. SensorBlue asks for nothing beyond the download.
Celsius Thermometer Plus holds the better App Store score, 4.7 against 3.2. Both are backed by a comparable volume of ratings — 54 and 14 respectively. Written reviews complicate that: 38% of Celsius Thermometer Plus's written reviews are positive against 46% of SensorBlue's, so the app with the better star average is not the one people write more warmly about.
Celsius Thermometer Plus ships an update every 7 months, SensorBlue every 6 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.
| Parameter | Celsius Thermometer Plus | SensorBlue |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (54 ratings) — better | 3.2 (14 ratings) |
| Positive reviews | 38.5% of reviews | 46.5% of reviews — better |
| Number of ratings | 54 — better | 14 |
| Update frequency | Every 7 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13 | 12.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | SHIGETO TAKAGI | 苏华 赵 |
Customer experience
Celsius Thermometer Plus
SensorBlue
Bugs and requests
Celsius Thermometer Plus
Not enough reviews yet to summarise bugs or requests.
SensorBlue
Reported bugs
32 issues- App stopped working, garbage readouts
- Calibration does not work
- Sensor freezes and stops reporting
- Unable to reset after data import
- Sensor fails to log data
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- Notifications only arrive when app is open
- App crashing when viewing logged data
- Calibration input text is white and hard to see
- Sensor shows only real-time data, no diagram
- Synchronization takes too long
- New log starts repeatedly
- Humidity log missing after update
- Humidity button disappeared
- Sensors won't stop beeping after update
- Humidity history/detail disappeared
- Data recovery incomplete due to resets
- Cannot re-pair after battery replacement
- Hygrometer reports incorrect humidity
- Time interval for displaying data not working
- Export to CSV button not working
- Invalid Date Format error on CSV export
- App wiped data without warning
- Device rarely connects after going out of range
- App stops updating, shows old data
- Feedback button not working
- CSV export failed with iOS 14
- Data export function broken
- Notification works only if app is open
- App becomes very slow with more synced data
- CSV export not working, mail window opens but cannot send
- Alarm only works when app is open
- No daily screen, graph from beginning of installation
Requested features
16 requests- Support for shortcuts/Siri
- Widget for home screen
- iPad version of the app
- Russian language support
- Absolute Humidity calculation
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- Dark mode
- Option to remove photos
- Zoomable graphs with day/week/month tabs
- Background syncing option
- Option to delete measurements
- Hybrid graph of temp+humidity and dew point
- Apple Watch support
- Notification if temp/humidity cross levels
- Option for rounding temperature display
- Manual definition of max/min change with graph zoom
- Last-updated-at timestamp for sensors
In-app purchases
Celsius Thermometer Plus
- Remove Ads$1.99
SensorBlue
No in-app purchases
Questions
Is Celsius Thermometer Plus free?
Is SensorBlue free?
Which has better reviews, Celsius Thermometer Plus or SensorBlue?
Do Celsius Thermometer Plus or SensorBlue have ads?
Which is updated more often, Celsius Thermometer Plus or SensorBlue?
Other comparisons
