PeakflowLogger vs TrainCurve
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PeakflowLogger
Easily log and monitor your peak flow measurements to manage asthma and respiratory health. Visualize trends with color-coded zones and receive daily reminders. Securely sync data with healthcare providers.
- Peak flow measurement logging
- Trend analysis charts
- Color-coded health zones
- Multiple user profiles
- Daily measurement reminders
- iCloud sync and data sharing
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PeakFlow Logger is your essential companion for managing asthma and respiratory health. With an intuitive interface and powerful features, it helps you track peak flow measurements and monitor your respiratory wellness. Key Features: • Easy peak flow measurement logging • Beautiful charts and trend analysis • Color-coded zones (green, yellow, red) for quick health assessment • Multiple user profiles for family management • Daily measurement reminders • iCloud sync and data sharing with healthcare providers • Support for all peak flow meter types • Available in 10 languages Perfect for: - Asthma patients - COPD patients - Healthcare providers - Parents monitoring children's asthma - Anyone tracking respiratory health Medical Resources: Access trusted medical information about peak flow monitoring and asthma management from reputable sources. Privacy & Security: Your health data stays private and secure with iCloud encryption. Share data only with those you choose.
TrainCurve
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Understand your training load and recovery with TrainCurve for iPhone and Apple Watch. Built for cyclists, runners and triathletes who want to make training decisions using their own data. TRAINING LOAD, EXPLAINED Follow CTL, ATL and TSB to track fitness, fatigue and form. Review training trends and heart-rate zones. RECOVERY IN CONTEXT Review sleep, HRV and resting heart rate using available Apple Health data. These metrics are wellness estimates. TRAIN WITH APPLE WATCH Record sessions on your watch and follow live workouts on your iPhone. Log strength exercises, sets, reps and weights. COACHING WITH YOUR DATA Connect a supported AI provider. API usage is billed by the provider separately from consumer subscriptions. Account connections, where available, remain subject to provider limits. TrainCurve adds no per-token markup. YOUR TRAINING DATA Import workouts from Apple Health and follow your progress. The TrainCurve core is open source: github.com/EVMCOD/traincurve-core. Free download with in-app purchases. Check your account for plan features and limits, and App Store for purchase terms. Terms: https://traincurve.com/terms Privacy: https://traincurve.com/privacy
Screenshots
Verdict
The clearest difference is price: TrainCurve at Free against PeakflowLogger's $0.99. TrainCurve also leads on ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement 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
TrainCurve is free to download; PeakflowLogger costs $0.99 up front. PeakflowLogger sells 1 one-off in-app purchase and TrainCurve sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
PeakflowLogger ships an update weekly, TrainCurve fortnightly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | PeakflowLogger | TrainCurve |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Weekly — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 18.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 8 MB |
| Age rating | 12+ | 17+ |
| Developer | OT Consulting UG | ENRIQUE VALEROS MURIANA |
In-app purchases
PeakflowLogger
- Remove Ads$1.99
TrainCurve
- TrainCurve Pro Monthly$4.991 Month
- TrainCurve Pro Yearly$39.991 Year
