Trinki vs Caffeine Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trinki
This app calculates your personalized daily water intake goal based on scientific guidelines and adjusts it for weather conditions. It provides smart, adaptive reminders throughout the day and offers a map of public drinking fountains.
- Personalized hydration goals
- Weather-aware goal adjustments
- Smart and adaptive reminders
- Fountain map for Germany
- Progress tracking
- Flexible glass sizes
- Quiet hours
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Drink enough — automatically. Trinki calculates your perfect daily goal and reminds you to drink at exactly the right moment. Science-based, weather-aware and 100% private — no account, no cloud, no subscription. WHY TRINKI? • Scientifically precise — your goal follows EFSA/DGE guidelines based on weight, sex and activity • Weather-smart — automatically raises your goal on hot days • Smart & adaptive — minute-precise reminders that know your pace and learn your drinking routine • 100% privacy — all data stays on your device FEATURES • Fountain map — over 22,000 public drinking fountains across Germany, free for everyone • Personalized hydration goals for your body • Reminders at the right moment — after every glass, Trinki replans the rest of your day • A good-morning greeting with the first reminder of the day • Automatic weather adjustment in the heat • Motivating progress view with a daily overview • Flexible glass sizes (50–1000 ml) • Quiet hours for your sleep time • Fresh design for the latest iOS ⌚ TRINKI PRO (optional one-time purchase, no subscription) • Apple Watch app — log glasses on your wrist, ring at a glance • Home and Lock Screen widgets — quick logging, including Shortcuts and Siri • Apple Health — your water lands next to your health data • Gentle reminders without sound • All future Pro features included SCIENCE-BASED Based on EFSA and DGE recommendations. Trinki accounts for: • Biological sex (women ~2.0 L, men ~2.5 L of beverages) • Body weight (±10 ml per kg) • Activity level (factor 1.0 to 1.6) • Ambient temperature YOUR DATA IS YOURS • No sign-up required • No cloud sync, no tracking • GDPR-compliant and fully offline • No subscription — Trinki Pro is a one-time purchase too HOW IT WORKS 1. Set up in 2 minutes 2. Trinki calculates your optimal daily goal 3. Get gentle reminders 4. Track with a single tap 5. Stay healthily hydrated! Made in Germany. Download Trinki and feel the difference.
Caffeine Tracker
Monitor your daily caffeine intake with this tracker. Log beverages, set limits, and receive personalized AI insights to optimize energy and sleep. Features include progress tracking, sleep notifications, and detailed history.
- Log beverages (coffee, tea, energy drinks)
- Set daily caffeine limits and track progress
- Personalized caffeine cutoff time notifications
- Detailed history and entry deletion
- AI insights and statistics
- Visual data charts (weekly/monthly)
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Discover the ultimate Caffeine Tracker app designed to help you monitor and manage your daily caffeine intake effortlessly. Whether you're a coffee enthusiast, tea lover, or energy drink fan, our Caffeine Tracker empowers you to log beverages, view your history, and receive personalized AI insights to optimize your energy and sleep. Why Choose Our Caffeine Tracker BrewScan? - Easy Logging: Quickly add your favorite drinks by selecting types like coffee, tea, energy drinks, or soda. Use common presets or create custom entries with drink names and caffeine amounts. - Daily Limits & Progress Tracking: Set your personal daily caffeine limit and track progress with a visual bar on the home screen. See today's intake at a glance, along with recent entries and warnings as you approach your limit. - Sleep Notifications & Cutoff Times: Enable notifications for a personalized caffeine cutoff time based on your bedtime and chosen hours before sleep (5-7 hours). Get alerts to stop caffeine intake and ensure better sleep quality. - Detailed History & Deletion: Review your caffeine log by day, with totals, individual entries including notes, and the option to delete items for accuracy. - AI Insights & Statistics: Unlock personalized AI tips on your habits, such as intake peaks, optimal windows, and suggestions like switching to green tea. Visualize data with charts including weekly/monthly overviews, bar graphs for daily intake, pie charts for drink breakdowns, peak hours, averages, most active days, and weekly changes. Built for everyone from casual sippers to caffeine connoisseurs, our Caffeine Tracker helps you stay energized, sleep better, and maintain balance. No subscriptions required – start tracking today and take control of your caffeine journey! Download now and become a master of your caffeine intake with the best Caffeine Tracker app. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/Terms of Use: Privacy policy: https://docs.google.com/document/d/1OFscHn2QlCK41Z40CGWwU-LqPA2ADqAbMiy7Xq_l5Gk/edit?usp=sharing Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Trinki and Caffeine Tracker are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Trinki sells 4 one-off in-app purchases and Caffeine Tracker sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Trinki ships an update every 4 days, Caffeine Tracker every 2 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.
| Parameter | Trinki | Caffeine Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 18.5 | 17.6 — better |
| Further details — not scored | ||
| Size | 10 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Noel Weinberg | IPAPPS Ltd. |
Customer experience
Trinki
Caffeine Tracker
In-app purchases
Trinki
- Espresso$1.99
- Cappuccino$3.99
- Trinki Pro$3.99
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- Coffee & Cake$5.99
Caffeine Tracker
- Weekly subscription3 Days trial$1.997 Days
- Annual subscription3 Days trial$29.991 Year









