Comparison

Caffeine Curve vs Stride

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

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.

Highlights
  • 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
Features
Read 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

Caffeine Curve4 screens
Stride4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Caffeine Curve ships an update fortnightly, Stride every 3 days. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Caffeine Curve versus Stride: the parameters behind the verdict, then further details
ParameterCaffeine CurveStride
PriceFreeFree
Rating5.0 (5 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings5 — better1
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better17.0
Further details — not scored
Size4 MB19 MB
Age rating4+12+
DeveloperHaris DelalicKevin Zhu

Customer experience

Caffeine Curve

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Stride

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Caffeine Curve

No in-app purchases

2 purchases

Stride

Subscriptions2
  • Stride Premium$7.991 Month
  • Stride Premium Annual$59.991 Year

Questions

Is Caffeine Curve free?
Caffeine Curve is free to download, with no in-app purchases.
Is Stride free?
Stride is free to download, with in-app purchases available.
Which has better reviews, Caffeine Curve or Stride?
Caffeine Curve and Stride are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.
Do Caffeine Curve or Stride have ads?
Neither Caffeine Curve nor Stride shows ads.
Which is updated more often, Caffeine Curve or Stride?
Caffeine Curve ships an update fortnightly, and Stride every 3 days. Most recently, Caffeine Curve was updated on October 24, 2026 and Stride on October 24, 2026.

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