Comparison

Aira Labs vs Feel Harmoni

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

Head to head
About

Aira Labs

Features
Read full description

See the invisible. Breathe with confidence. Aira helps you understand the air around you - indoors, outdoors, and everywhere in between. Our smart sensors and easy-to-use app give you real-time air quality insights so you can protect your family, improve your health, and make smarter daily choices. Discover what’s in your air β€’ View live air quality data, including PM2.5, humidity, and temperature. β€’ Get personalised recommendations to improve the air you breathe. β€’ Track trends and compare different locations over time. Join the Aira community Every Aira sensor contributes to a global network of environmental data. Together, we’re building the most transparent air quality map. Features β€’ Real-time sensor dashboard β€’ Historical data and insights β€’ Push alerts for pollution spikes β€’ Community-powered data network

About

Feel Harmoni

Features
Read full description

The Feel Harmoni app makes booking and attending sessions simple. - Browse the calendar for sessions that suit you. Book and pay in just a few taps. - Use your personal QR code to check-in. - Not going to make it? Cancel and rebook directly through the app. - Session full? Join the waiting list to be notified if a spot becomes available. - Purchase memberships and more.

Screenshots

Aira Labs4 screens
Feel Harmoni4 screens

Verdict

The call

The clearest difference is update cadence: Aira Labs at every 2 weeks against Feel Harmoni's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Aira Labs ships an update every 2 weeks, Feel Harmoni every 5 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard1 real difference Β· 5 level
Aira Labs versus Feel Harmoni: the parameters behind the verdict, then further details
ParameterAira LabsFeel Harmoni
PriceFreeFree
Update frequencyEvery 2 weeks β€” betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad β€” better
Requires iOS17.016.4 β€” better
Further details β€” not scored
Size18 MB157 MB
Age rating4+4+
DeveloperAira Labs LimitedLegitfit Limited

In-app purchases

None

Aira Labs

No in-app purchases

None

Feel Harmoni

No in-app purchases

Questions

Is Aira Labs free?
Aira Labs is free to download, with no in-app purchases.
Is Feel Harmoni free?
Feel Harmoni is free to download, with no in-app purchases.
Do Aira Labs or Feel Harmoni have ads?
Neither Aira Labs nor Feel Harmoni shows ads.
Which is updated more often, Aira Labs or Feel Harmoni?
Aira Labs ships an update every 2 weeks, and Feel Harmoni every 5 months. Most recently, Aira Labs was updated on November 9, 2026 and Feel Harmoni on October 31, 2026.

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