Comparison

Air Quality vs iBarometer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Air Quality

Features
Read full description

Air Quality - SLOX is a clean, ad-supported viewer for real-time outdoor air-quality data powered by the public Open-Meteo Air-Quality API. Features: • Current AQI plus PM2.5, PM10, NO2, O3, CO, SO2 readings • Use your current location (with permission) or search any city worldwide • Save and quickly switch between favorite cities • 7 languages supported (English / 한국어 / 日本語 / 简体中文 / 繁體中文 / Español / Português) • Lightweight — works as long as you have an internet connection NOT a medical device. Readings are sourced from a third-party public dataset and may differ from official monitoring stations. Do NOT use this app for clinical decisions; consult a healthcare professional for respiratory or other medical concerns related to air quality.

About

iBarometer

This app transforms your iPhone into a professional barometer, providing real-time atmospheric pressure readings and trend analysis. It includes historical graphs, altitude display, and a fishing activity score. It functions offline and offers advanced fishing predictions with a Pro upgrade.

Highlights
  • Real-time atmospheric pressure
  • Trend indicator and rate of change
  • Altitude display
  • Historical pressure graphs
  • Fishing activity score
  • Offline functionality
Features
Read full description

iBarometer turns your iPhone into a professional-grade barometer. Powered by the built-in pressure sensor, it delivers real-time atmospheric pressure readings with beautiful precision gauges and trend charts. KEY FEATURES • Real-time Pressure — Live atmospheric pressure in hPa, inHg, or mmHg with a stunning gauge display • Trend Indicator — See at a glance whether pressure is rising, falling, or stable with change rate tracking • Altitude Display — Absolute elevation above sea level and relative height changes • History Charts — Visualize pressure trends over 1H, 3H, 6H, 12H, or 24H periods • Fishing Activity Score — Know the best times to fish based on pressure patterns • Offline Ready — All readings work without internet, perfect for remote locations FOR FISHING ENTHUSIASTS Barometric pressure directly affects fish behavior. When pressure drops rapidly, fish feed aggressively — that's your window. iBarometer helps you spot those moments with real-time trend tracking and a simple fishing activity score. FOR OUTDOOR ADVENTURES Whether hiking, climbing, or just curious about the weather, iBarometer gives you the atmospheric data you need. Track approaching storms before they arrive with falling pressure alerts. Upgrade to Pro to unlock: • Fishing Prediction — Detailed bite forecast with species-specific tips and best time suggestions Works with iPhone 6 or later. No internet required for core features. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Air Quality3 screens
iBarometer4 screens

Verdict

The call

The clearest difference is update cadence: Air Quality at every 2 days against iBarometer's every 9 days. Air Quality also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Air Quality ships an update every 2 days, iBarometer every 9 days. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 5 level
Air Quality versus iBarometer: the parameters behind the verdict, then further details
ParameterAir QualityiBarometer
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 2 days — betterEvery 9 days
AdsYesYes
In-app purchasesNoNo
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size23 MB7 MB
Age rating4+4+
DeveloperSEOKWON YANG景珂 陈

In-app purchases

None

Air Quality

No in-app purchases

None

iBarometer

No in-app purchases

Questions

Is Air Quality free?
Air Quality is free to download, with no in-app purchases.
Is iBarometer free?
iBarometer is free to download, with no in-app purchases.
Do Air Quality or iBarometer have ads?
Both Air Quality and iBarometer show ads.
Which is updated more often, Air Quality or iBarometer?
Air Quality ships an update every 2 days, and iBarometer every 9 days. Most recently, Air Quality was updated on October 12, 2026 and iBarometer on October 17, 2026.

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