Caffeine Tracker vs Lify Coach
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Caffeine Tracker
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Know when your caffeine wears off. SipLog tracks every coffee, tea and energy drink and estimates how much caffeine is still in your system right now. See the curve for your day, how far you are into your daily guide, and the time you'll be sleep-ready. LOG IN ONE TAP • Tap a drink to log it, or touch and hold to change the size or time • Undo straight away if you tap the wrong one • Search a library of coffees, teas, sodas and energy drinks, or enter any amount • Save your usual order with its exact caffeine KNOW WHEN YOU'LL SLEEP • A live estimate of caffeine in your system, based on its half-life • Your sleep-ready time, and how each drink would change it before you log it • A cut-off reminder before the last time a coffee will wear off by bedtime • Set your own daily guide, bedtime, half-life and sleep-ready level WIDGETS AND LIVE ACTIVITY • Home Screen and Lock Screen widgets showing caffeine now and when you'll be sleep-ready • Log your usual drinks straight from the widget • A Live Activity counts down to sleep-ready on your Lock Screen and in the Dynamic Island SEE YOUR PATTERNS • Daily, monthly and yearly trends against your guide • Caffeine still active at bedtime and when you usually have your last drink • See how caffeine affects your sleep, using sleep data from Apple Health • Export your history as CSV PRIVATE BY DESIGN • Drinks you log are saved to Apple Health if you choose, and sync with iCloud • Sleep data is read only when you turn on the sleep report, and never leaves your iPhone SIPLOG PRO Pro unlocks your sleep-ready time and what-if preview, the sleep report, the Live Activity, month and year trends, and saving your own drinks. Pro is available as a monthly or yearly subscription, with a free trial for new subscribers. Payment is charged to your Apple Account when you confirm the purchase, or at the end of the free trial. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple Account settings. SipLog gives estimates for awareness. It isn't medical advice. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://siplog-website.vercel.app/posts/privacy/
Lify Coach
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App Store Description Transform Your Coaching. Elevate Your Clients. Lify Coach is the ultimate companion app for fitness professionals who want to deliver exceptional, personalized coaching in the digital age. Built for trainers, by trainers, our platform empowers you to manage your clients, build custom fitness plans, and track progress with unparalleled precision—all from one intuitive app. Your All-in-One Coaching Platform • Build Personalized Plans with Ease: Stop juggling spreadsheets and documents. Create, assign, and modify dynamic workout and nutrition plans tailored to each client's unique goals and needs. Our extensive exercise library and flexible plan builder make it simple to design effective programs that deliver results. • Gain Deeper Insights with Wearable Data: Go beyond check-ins. With client permission, seamlessly access and analyze data from their favorite wearables. Monitor activity levels, workout performance, and progress metrics to make data-driven adjustments to their plans and provide truly proactive coaching. • Streamline Client Management: Manage your entire client roster in one organized place. Keep track of progress, view workout logs, and access detailed client profiles instantly. Spend less time on admin and more time doing what you do best—coaching. • Engage and Motivate Your Clients: Keep your clients committed and inspired with in-app messaging, progress sharing, and follow-through tools. Foster a strong coach-client relationship and provide the support they need to succeed, anytime, anywhere. • Showcase Your Professional Profile: Create a professional profile that highlights your expertise, certifications, and coaching philosophy. Manage your availability and streamline communication to grow your coaching business. Disclaimer and Professional Integrity Lify Coach is a powerful tool designed to support, not replace, the professional expertise and guidance of certified fitness trainers. The information and data within the app should be used to enhance your coaching services. Always encourage clients to consult a physician or qualified health professional before beginning any new fitness or nutrition program. Privacy Policy: https://lifyapp.com/policy Terms of Use: https://lifyapp.com/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Lify Coach at none against Caffeine Tracker's 2. Lify Coach also leads on update cadence (every 8 days vs monthly) and iOS requirement (18.6 vs 26.0). On price, 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. Caffeine Tracker sells 2 in-app purchases, starting at $2.99 per month. Lify Coach asks for nothing beyond the download.
Caffeine Tracker ships an update monthly, Lify Coach every 8 days. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.
| Parameter | Caffeine Tracker | Lify Coach |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 18.6 — better |
| Further details — not scored | ||
| Size | 15 MB | 69 MB |
| Age rating | 4+ | 12+ |
| Developer | Gruffydd Johnston | Health Passport |
In-app purchases
Caffeine Tracker
- Monthly7 Days trial$2.991 Month
- Annual7 Days trial$9.991 Year
Lify Coach
No in-app purchases









