Caffeine Curve vs Stride
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Caffeine Curve
This app estimates your current caffeine level in real-time by analyzing dietary caffeine entries from Apple Health. It helps you understand how caffeine affects your body throughout the day, aiding decisions about intake and sleep. The interface is designed for quick, clear information.
- Real-time caffeine level tracking
- Caffeine absorption and elimination model
- Apple Health integration
- Lock Screen widget and Home Screen Widgets
- Peak and sleep indicators
- Personalized sensitivity profiles
- Demo mode for exploration
Read full descriptionHide full description
Caffeine Curve helps you track your estimated caffeine level in real time. Using your dietary caffeine entries from Apple Health, the app estimates how much caffeine may still be active in your body throughout the day. It uses an absorption and elimination model to give you a more useful picture than intake alone. It is designed for a simple purpose: to give you the most useful caffeine information quickly and clearly. Whether you are deciding on another coffee, trying to stay in a good range for focus, or avoiding caffeine too close to bedtime, Caffeine Curve helps you understand where you stand right now. Features - Track your estimated current caffeine level - See how your caffeine level changes throughout the day - Reads dietary caffeine data from Apple Health - Check your current level from the Lock Screen widget - Understand how long caffeine may remain active - Clean, simple interface designed for quick checks - Rich Home Screen Widgets: Keep an eye on your caffeine levels and daily trends without even opening the app, featuring beautiful charts and gauges - Smart Complications: New rectangular and dial-top complications clearly show the exact time of your next peak or when you’ll be clear for sleep. - Useful Notifications: Get pinged exactly when you hit your caffeine peak or when your system drops below your personalized sleep-ready threshold. - Peak & Sleep Indicators: Know exactly when your coffee hits its peak and precisely when you are cleared for a good night's sleep - Unmatched Personalization: Choose from 5 different sensitivity profiles to perfectly match your unique body chemistry and caffeine decay rate - Try It Demo Mode: Explore the app's full capabilities and stunning visual charts using sample data before committing to logging your own - Beautiful & Customizable Design: Experience a gorgeous new "Liquid Glass" aesthetic that feels right at home on iOS, plus full control over Light/Dark modes and all-new tinted app icons. Caffeine can be logged automatically by other apps that write to Apple Health, or added manually in the Health app under Nutrition > Caffeine. Caffeine Curve is free to use, with no ads and no in-app purchases. It was built from a real daily need: a simple way to understand caffeine levels clearly, quickly, and without unnecessary extras. Important Individual caffeine metabolism varies. Factors such as genetics, liver health, medications, and pregnancy can affect absorption and elimination. Caffeine Curve is for informational purposes only and does not provide medical advice.
Stride
This app supports your GLP-1 medication journey by tracking doses, weight, food intake, and overall well-being. It offers AI-powered support for common questions and helps visualize your progress with charts and milestones.
- Track GLP-1 doses and reminders
- Log food by photo, barcode, or search
- AI companion for GLP-1 related questions
- Monitor weight, macros, sleep, and mood
- Connect with Apple Health
- Visualize progress with charts and photos
Read full descriptionHide full description
Stride is your GLP-1 companion Stride helps you stay consistent on your GLP-1 journey: track doses, weight, food, and how you feel, and get gentle, personal support along the way. Log food by photo Snap a picture of your meal and Stride estimates the foods and their nutrition for you. No more hunting through a database. You review and adjust every item, in real portions like "5 cashews" or "1 fillet," before anything is saved. Three ways to log food Photo, barcode scan, or search a database of millions of foods. Servings show in ounces and grams. Your AI Companion A knowledgeable, supportive companion that understands GLP-1 medications and remembers your journey. Ask about side effects, plateaus, protein, dose timing, and the ups and downs. It is not a medical provider, and it is not a substitute for your doctor. Track what matters Doses and dose reminders, weight trends, protein and macros, sleep, steps, workouts, mood, and non-scale wins. Connect Apple Health to bring it all together. See your progress Clear charts, progress photos, and milestones that show how far you've come. Premium Unlimited photo logging and Companion chats, full macro tracking, food database search, complete progress history, and watermark-free sharing. Basic includes a daily allowance so you can try everything. Stride is a wellness and tracking app. It does not provide medical advice, diagnosis, or treatment. Always talk to your healthcare provider about medical decisions.
Screenshots
Verdict
The clearest difference is in-app purchases: Caffeine Curve at none against Stride's 2. Caffeine Curve also leads on ratings volume (5 vs 1). Stride's advantage is update cadence (every 3 days vs fortnightly). On price, rating, review sentiment and ads 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. Stride sells 2 in-app purchases, starting at $7.99 per month. Caffeine Curve asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Caffeine Curve against 5.0 for Stride. That said, the two scores are not equally well evidenced: Caffeine Curve has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Caffeine Curve ships an update fortnightly, Stride every 3 days. Both last shipped on October 24, 2026.
| Parameter | Caffeine Curve | Stride |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | 1 |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 19 MB |
| Age rating | 4+ | 12+ |
| Developer | Haris Delalic | Kevin Zhu |
Customer experience
Caffeine Curve
Stride
In-app purchases
Caffeine Curve
No in-app purchases
Stride
- Stride Premium$7.991 Month
- Stride Premium Annual$59.991 Year









