AiroStep vs Ambryx
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
AiroStep
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Track your steps with real-time air quality and weather insights. AiroStep combines fitness tracking with environmental data to help you exercise smarter. Get personalized AI recommendations based on air quality, weather conditions, and your activity patterns. WHY AIROSTEP? - Complete Step Tracking - Accurate pedometer using iPhone sensors - Air Quality Integration - Know when it's safe to exercise outdoors - Weather-Based Insights - AI recommends best times for activity - Apple Watch Support - Seamless sync between iPhone and Watch - Home Screen Widgets - See your progress at a glance TRACK EVERYTHING: - Daily steps and walking distance - Calories burned and active minutes - Pace, cadence, and stride length - Heart rate and VO2 Max - Floors climbed and elevation ENVIRONMENTAL HEALTH: - Real-time air quality index (AQI) - Pollutant levels (PM2.5, PM10, O3, NO2) - Weather conditions and forecasts - Optimal outdoor exercise times AI-POWERED INSIGHTS (PREMIUM): Get personalized recommendations by combining your health data with environmental conditions: - Best times to exercise based on air quality - Performance trends and patterns - Weather impact on your activity
Ambryx
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Ambryx is a private walking companion for iPhone and Apple Watch. It is built to help you walk with a plan and finish with momentum through smart goals, real-time sessions, and cross-device progress visibility. Ambryx focuses on everyday consistency: - Goals that feel achievable and motivating - Real-time walking sessions with clear live metrics - Visibility across the surfaces you already check all day - Recovery for walks you forgot to start manually WHAT YOU CAN DO WITH AMBRYX Build a goal system that works for your life - Choose daily goals from beginner to ambitious ranges - Get automatic weekly targets and helpful progress context - Update your goals anytime as your routine changes Track active walks in real time - Start a walk on iPhone or Apple Watch - See live elapsed time, steps, distance, and workout progress - Finish with an immediate summary so progress feels concrete Train with Japanese interval walking - Structured workout mode designed to boost your walking fitness - Configure custom intervals with fast and easy phases - Get real-time pace coaching with distinct audio cues - Perfect for tempo training and building endurance Get credit for forgotten walks - Ambryx detects qualifying walks you did not manually start - Review detected walks in a clean prompt flow - Save or decline each walk without clutter See progress everywhere - Day, week, and month progress views in the app - Home Screen and Lock Screen widgets - Live Activity and Dynamic Island updates during active sessions - Apple Watch companion experience with synced progress - Watch complications for quick glance updates Stay supported without notification overload - Goal reminders and activity nudges - Quiet Hours controls for better timing and less noise - Clear permission and recovery flows when settings need attention Designed with privacy at the center - Your health data stays in Apple Health and your iCloud account - No third-party data sharing for your walk history - Data access is controlled by the Health permissions you choose Ambryx is for people who want a practical, reliable walking system they can actually stick with. https://isolift.app/ambryx/privacy
Screenshots
Verdict
AiroStep and Ambryx are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. AiroStep sells 2 in-app purchases, starting at $2.99 per month and Ambryx sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | AiroStep | Ambryx |
|---|---|---|
| Price | Free | Free |
| Update frequency | โ | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 18.0 โ better | 18.6 |
| Further details โ not scored | ||
| Size | 55 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Ruslan Kuksa | Iso Lift, LLC |
In-app purchases
AiroStep
- AiroStep Pro - Monthly$2.991 Month
- AiroStep Pro - Annual$24.991 Year
Ambryx
- Ambryx Free TrialFree
- StrideFlow Pro$2.99









