AYO BT+ vs Allergy Tracker°
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AYO BT+
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AYO BT+ is a unique breathing measurement respirator series invented for breathing training and monitoring for asthmatics, sports, and general health. It consists of AYO BT plus one or two measurement modules, with iOS Apps available on iPhones. Thanks to the unique modular design, the BT+ can be configured as a breathing measurement device, as well as diaphragmatic breathing training offered by AYO BT. Features: Unique 3 in 1 breathing device for asthmatics. Measure breathing during physical exercise. Allow measurement for nose breathing. Patented modular technology enables flexible use options. Instrument-grade accuracy. Key measurements: Lung function indication Realtime breathing waveforms Breath Rate, Minute ventilation, Tidal volume Peak Flow Inhalation and Exhalation time and pauses Breath-hold time Power of breath and work of breath Summary breathing report for meditation and exercises AYO BT+ benefits: 3 in 1: Breathing measurement, training, and lung function indication. Asthma and exercise-induced asthma management. Provide measured insights into your breathing health and capacity. Complement heart rate for key health metrics. Assist in practicing healthy breathing patterns effectively and accurately. Train your breathing muscles and measure breathing effort and efficiency. See your breathing improvement before you can feel it. Provide indication breathing data to trainers or clinicians remotely. Add breathing status in Apple Health App for tracking your overall health. Disclaimer: The App and its connected hardware are intended as an indication only. It is not a medical product and has not obtained any medical licenses. Please seek a doctor’s advice in addition to using this app and before making any medical decisions. However, each device is rigorously calibrated using a scientific measurement instrument from TSI Incorporated. In addition, the accuracy of the indicative Lung function of each device is verified within 5% of a calibrated equipment.
Allergy Tracker°
Monitor your allergy journey by tracking symptoms, triggers, and treatments. Visualize your progress, identify patterns, and generate shareable reports for your doctor. Personalize your experience by defining custom symptoms and treatments.
- Track symptoms
- Add triggers
- Track treatments
- Write notes
- Visualize progress
- Generate reports
- Define custom symptoms/treatments
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Your allergy progress at a glance. Track your symptoms, triggers and treatments, take notes and visualize it! Want to share it with your doctor? No problem, just generate a printable report! Want a personalized experience? Define your own symptoms and treatments! HOW ALLERGY TRACKER° WORKS - Track your symptoms - Add any triggers - Track your treatments - Write notes - Have an easy overview of how you are doing - Recognize patterns - Analyze your statistics over time - Create PDF or CSV reports and share them with your doctor - Define your own symptoms and treatments - Collect new achievements - Stay on track with daily reminders - Lock your journal with Face ID or Touch ID We value your privacy. Your journal entries are just yours, only accessible with your device. Consult with your doctor if you are experiencing any symptoms of an illness. This software is not a replacement of a medical treatment. It is intended for informational purposes only and comes with no warranty. You can read the terms of use and privacy policy here: http://adamcziko.com/allergy-tracker-privacy-policy-and-terms-of-use/ The app includes a premium subscription possibility. The subscription is automatically renewed after each subscription period. Want to get to know more about your current subscription, or you want to cancel it? You can get all the information by visiting the following page: https://support.apple.com/en-us/HT202039
Screenshots
Verdict
The clearest difference is in-app purchases: AYO BT+ at none against Allergy Tracker°'s 6. On price, update cadence, ads 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. Allergy Tracker° sells 5 in-app purchases, starting at $9.99 per month. AYO BT+ asks for nothing beyond the download.
AYO BT+ ships an update every 3 months, Allergy Tracker° every 2 months. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.
| Parameter | AYO BT+ | Allergy Tracker° |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (157 ratings) — better |
| Positive reviews | — | 82.2% of reviews |
| Number of ratings | — | 157 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 67 MB | 45 MB |
| Age rating | 4+ | 12+ |
| Developer | Aimwell Pty Ltd | Adam Cziko |
Bugs and requests
AYO BT+
Not enough reviews yet to summarise bugs or requests.
Allergy Tracker°
Reported bugs
2 issues- Login screen freezes
- Incompatible with older devices
Requested features
4 requests- Add photo upload capability
- Improve graphing and charting features
- Allow more than one entry per day
- Provide more detailed allergy level information
In-app purchases
AYO BT+
No in-app purchases
Allergy Tracker°
- Monthly Plan7 Days trial2 variants$9.991 Month
- Special Annual Plan7 Days trial$9.991 Year
- Monthly Plan$9.991 Month
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- Annual Plan$9.991 Year
- Annual Plan7 Days trial$39.991 Year









