Hygrometer Barometer vs CI Smart Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hygrometer Barometer
This app measures relative humidity and calculates the discomfort index using your current location. It displays humidity in a badge and offers barometric readings for compatible devices. Use it to gauge outdoor conditions for appropriate clothing choices.
- Measures relative humidity via GPS
- Calculates discomfort index (DI)
- Displays humidity in badge
- Barometric pressure readings (iPhone 6+)
- Outdoor humidity reference
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A simple popular free humidity meter application that measures the relative humidity of the current location measured by GPS and displays it as a percentage. Calculation function with formula of discomfort index (DI) from humidity and degree of Celsius. Humidity is displayed in badge. Barometric function by pressure sensor (iPhone 6 / Plus or later). Because it is outdoor humidity instead of indoor humidity, it is a reference for outfit clothing. Some areas are excluded.
CI Smart Sensor
Monitor humidity and temperature in your humidor or container remotely. Receive alerts for out-of-range conditions or unauthorized access. Analyze historical data to optimize storage and protect your valuables.
- Continuous humidity and temperature gauging
- Push notifications for custom ranges
- Alerts for container access
- Hourly, daily, and monthly data analysis
- Bluetooth Low Energy connectivity
- Remote monitoring
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CI Smart Sensor, Humidity Management System Keep a watchful eye on your cigars without lifting the lid of your humidor or container. The CI Smart Sensor will continuously gauge humidity and temperature levels inside your humidor and container providing access to those vital readings. You will receive push notifications if readings are outside your customized humidity ranges or if someone dips into your container. Analyze your hourly, daily and monthly readings, then use that info to adjust for seasonal changes or newly introduced valuables. Once you’ve linked your CI Smart Sensor to your iOS device, you can rest easy knowing that your sensor will monitor your valuables using Bluetooth Low Energy technology. The CI Smart Sensor keeps watch even when you can’t.
Screenshots
Verdict
The clearest difference is in-app purchases: CI Smart Sensor at none against Hygrometer Barometer's 1. CI Smart Sensor also leads on ads (none vs shown) and update cadence (every 2 months vs every 7 months). On price, rating, review sentiment and ratings volume 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. Hygrometer Barometer sells 1 one-off in-app purchase. CI Smart Sensor asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.3 for Hygrometer Barometer against 4.2 for CI Smart Sensor. Both are backed by a comparable volume of ratings — 152 and 358 respectively. Written reviews are what separate them: 73% of Hygrometer Barometer's written reviews are positive against 69% of CI Smart Sensor's.
Hygrometer Barometer ships an update every 7 months, CI Smart Sensor every 2 months. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.
| Parameter | Hygrometer Barometer | CI Smart Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (152 ratings) — better | 4.2 (358 ratings) |
| Positive reviews | 72.7% of reviews — better | 68.9% of reviews |
| Number of ratings | 152 | 358 — better |
| Update frequency | Every 7 months | Every 2 months — 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 | 52 MB |
| Age rating | 4+ | 17+ |
| Developer | SHIGETO TAKAGI | BPA Sales, LP |
Customer experience
Hygrometer Barometer
CI Smart Sensor
Bugs and requests
Hygrometer Barometer
Not enough reviews yet to summarise bugs or requests.
CI Smart Sensor
Reported bugs
4 issues- Sensor readings not updating in real-time
- Calibration process not working as expected
- Battery draining faster than expected
- App losing historic data after updates
Requested features
4 requests- Wi-Fi connectivity for remote monitoring
- Customizable alert thresholds
- Ability to rearrange sensor order in app
- Bring back analog hygrometer display
In-app purchases
Hygrometer Barometer
- Remove Ads$1.99
CI Smart Sensor
No in-app purchases
Questions
Is Hygrometer Barometer free?
Is CI Smart Sensor free?
Which has better reviews, Hygrometer Barometer or CI Smart Sensor?
Do Hygrometer Barometer or CI Smart Sensor have ads?
Which is updated more often, Hygrometer Barometer or CI Smart Sensor?
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