Airdentifier vs Kilo Training Systems
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Airdentifier
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With the Airdentifier, you take charge of the air you breathe daily. With this app: - View real-time data and historical records from your Airdentifier in one glance; - Discover helpful articles and tips to improve air quality; - Easily set (push) notifications that tell you when and how long to ventilate without wasting energy.
Kilo Training Systems
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A personal training studio offering one to one coaching and small group personal training. Tailored Fitness Plans: Your fitness goals are unique. That's why we offer customized workout, nutrition, and supplement plans designed specifically for you, to help you achieve your best results. Progress Tracking & Weekly Check-Ins: Keep your goals in sight with regular check-ins and real-time progress tracking. Adjust your plans with your coach to stay on the path to success. Comprehensive Workout and Diet Logs: Simplify your fitness routine by logging workouts and meals directly in the app. Stay accountable and watch your progress unfold. * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
Screenshots
Verdict
The clearest difference is update cadence: Kilo Training Systems at monthly against Airdentifier's every 2 months. Airdentifier's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Airdentifier ships an update every 2 months, Kilo Training Systems monthly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | Airdentifier | Kilo Training Systems |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 17 MB | 46 MB |
| Age rating | 4+ | 17+ |
| Developer | Zehnder Group AG | kilo training systems limited |
In-app purchases
Airdentifier
No in-app purchases
Kilo Training Systems
No in-app purchases
Questions
Is Airdentifier free?
Is Kilo Training Systems free?
Do Airdentifier or Kilo Training Systems have ads?
Which is updated more often, Airdentifier or Kilo Training Systems?
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