Hygrometer Barometer vs Olfacta
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
Read full descriptionHide full description
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.
Olfacta
Read full descriptionHide full description
Elevate your environment with the Olfacta app, designed exclusively for Olfacta scent machines.
Screenshots
Verdict
The clearest difference is in-app purchases: Olfacta at none against Hygrometer Barometer's 1. Olfacta also leads on ads (none vs shown) and update cadence (every 3 months vs every 7 months). 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. Hygrometer Barometer sells 1 one-off in-app purchase. Olfacta asks for nothing beyond the download.
Hygrometer Barometer ships an update every 7 months, Olfacta every 3 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.
| Parameter | Hygrometer Barometer | Olfacta |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (155 ratings) — better | — |
| Positive reviews | 72.7% of reviews | — |
| Number of ratings | 155 — better | — |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13 | 13.0 |
| Further details — not scored | ||
| Size | 11 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | SHIGETO TAKAGI | Olfacta do Brasil Ltda |
In-app purchases
Hygrometer Barometer
- Remove Ads$1.99
Olfacta
No in-app purchases
Questions
Is Hygrometer Barometer free?
Is Olfacta free?
Do Hygrometer Barometer or Olfacta have ads?
Which is updated more often, Hygrometer Barometer or Olfacta?
Other comparisons
