AquaPing vs SleepStack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AquaPing
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AquaPing helps you build a real hydration habit. Log your water with one tap, track your progress through the day with a visual progress ring, and let Dropo, your animated water droplet mascot, keep you motivated along the way. Dropo reacts to how you're doing: he's happy when you stay hydrated, gets thirsty when you fall behind, and celebrates with you when you reach your daily goal. He makes the whole experience feel personal and engaging. WHY TRACK YOUR WATER? Proper hydration improves energy, skin health, focus and overall wellbeing. Most people don't drink enough without a reminder. AquaPing gives you the tools to change that, with a system that fits naturally into your day. HOW IT WORKS Choose your glass size and log water with a single tap. The progress ring updates instantly and shows you where you are compared to where you should be at this time of day. Clean, intuitive, no extra steps. SMART REMINDERS Three notification modes to match your lifestyle: Normal for regular reminders, Gentle for fewer nudges, and Minimal for just a morning and afternoon check-in. Set your wake and sleep hours so you're only notified when it makes sense. The system also adapts: if you're drinking on schedule, reminders space out. If you're behind, they come a bit more often. GAMIFICATION & LEVELS Every day you hit your water goal, you earn a trophy. Build streaks across 3, 7, 14 and 30 days and progress through 5 ranks: Drop, Stream, River, Lake and Ocean. A rewarding system designed to keep you consistent over time. 65+ EDUCATIONAL ARTICLES Explore articles on hydration across 11 categories including brain health, skin care, exercise performance, metabolism, sleep and common myths. New articles unlock as you drink, so staying hydrated also means learning something new. WEEKLY STATISTICS & HISTORY Detailed weekly bar charts show your intake patterns. Track daily averages, your best day, goals reached and current streak. Browse up to 90 days of history and export your data as a shareable report. PERSONALIZED GOALS AquaPing calculates your recommended daily intake based on weight, height, gender, activity level and climate. You can adjust your goal at any time, switch between metric (ml) and imperial (fl oz), and choose 12h or 24h time format. 90+ HYDRATION TIPS Daily facts about hydration organized by topic: body, skin, brain, exercise, sleep and more. A quick read every day to keep you informed and motivated. MORE: - One-tap logging with sound effects and haptic feedback - Guided onboarding that sets up your profile in under a minute - Available in 9 languages: English, Italian, Spanish, French, German, Portuguese, Japanese, Korean and Chinese - Export and share your hydration data - Remove all ads with a single one-time purchase Download AquaPing and give your hydration the attention it deserves.
SleepStack
This app helps you build better sleep habits with guided routines, sleep tracking, and relaxation techniques. It monitors your sleep environment and provides feedback to improve your rest and morning recovery. Protect your sleep from phone distractions with app blocking features.
- Personalized bedtime routine builder
- Sleep Score and insights tracking
- Guided relaxation techniques
- App blocking for sleep protection
- Sleep environment monitoring
- Morning energy and recovery feedback
- Gamified sleep habit tracking
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Build a better sleep routine with SleepStack a guided sleep tracker, Sleep Score coach, and bedtime routine app designed to help you fall asleep, stay consistent, and wake up more recovered. Most sleep apps only tell you what happened last night. SleepStack helps you understand your sleep, improve your routine, and protect the habits that make better rest possible. Whether you want to fix your sleep schedule, stop late-night scrolling, fall asleep faster, improve deep sleep, or wake up with more energy, SleepStack gives you a clear protocol to follow. BUILD YOUR SLEEP ROUTINE Create a bedtime routine that fits your life. SleepStack helps you set a personalized sleep window, follow a pre-sleep checklist, and build repeatable habits around your evening routine, wake time, and recovery goals. Choose guided sleep protocols for: • Better sleep consistency • Wind-down and relaxation • Circadian rhythm support • Recovery and deep sleep • Phone-free bedtime discipline • Morning energy and routine tracking Every protocol gives you structure, not guesswork. TRACK YOUR SLEEP SCORE Understand how well you slept — and why. SleepStack turns your sleep data into a simple nightly Sleep Score, helping you see what is improving your sleep and what may be disrupting it. Track key sleep insights including: • Sleep duration • Sleep efficiency • Sleep regularity • Deep sleep • REM sleep • HRV • Respiratory rate • Phone pickups • Sleep schedule consistency • Morning check-ins Connect with Apple Health to bring your sleep stages, HRV, and respiratory data into one clear sleep dashboard. FALL ASLEEP WITH GUIDED TECHNIQUES For nights when your mind will not slow down, SleepStack gives you guided relaxation tools built for bedtime. Try techniques such as: • 4-7-8 breathing • Box breathing • Physiological sigh • Progressive muscle relaxation • Cognitive Shuffle • Military Method PMR Each technique includes step-by-step guidance, timed visuals, and audio cues so you can follow along without overthinking. PROTECT YOUR SLEEP FROM YOUR PHONE Late-night scrolling can destroy a good sleep routine. SleepStack’s Shield feature helps you protect your sleep window by blocking distracting apps during bedtime hours. Track bypass attempts, unlocks, and phone pickups so you can see how your screen habits affect your sleep discipline. Put the phone down. Protect your routine. Sleep better. MONITOR YOUR SLEEP ENVIRONMENT Your bedroom matters. SleepStack’s Sanctuary feature monitors your sleep environment and helps you identify noise spikes that may interrupt your rest. Use real-time sound feedback to create a quieter, more sleep-friendly room. WAKE UP WITH BETTER FEEDBACK SleepStack connects how you went to bed with how you woke up. Log your morning energy, glow, puffiness, and recovery so you can understand which routines actually help you feel better the next day. STAY CONSISTENT WITH GAMIFIED SLEEP HABITS Better sleep is built night by night. SleepStack includes achievements, streaks, challenges, and habit tracking to help you stay motivated. Build consistency across your bedtime routine, sleep duration, morning check-ins, environment, and phone discipline. WHO SLEEPSTACK IS FOR SleepStack is built for people who want more than a basic sleep tracker. Use SleepStack if you want to: • Build a better bedtime routine • Improve your sleep schedule • Track your Sleep Score • Fall asleep with guided techniques • Reduce phone use at night • Monitor deep sleep, REM, HRV, and recovery • Create a consistent wind-down routine • Wake up with more energy • Understand what helps and hurts your sleep SleepStack gives you the tools, structure, and feedback loop to make better sleep feel practical. Your better sleep routine starts tonight. Terms of Service: https://sleepmaxertermsofuse.hrdb8phm6h.workers.dev Privacy Policy: https://sleepmaxerprivacypolicy.hrdb8phm6h.workers.dev
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Verdict
The clearest difference is in-app purchases: AquaPing at none against SleepStack's 3. AquaPing also leads on iOS requirement (15.1 vs 18.0). 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. SleepStack sells 3 in-app purchases, starting at $4.99 per 7 days. AquaPing asks for nothing beyond the download.
| Parameter | AquaPing | SleepStack |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | — | Every 10 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 40 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | NaicolTech | NUNE LLC |
In-app purchases
AquaPing
No in-app purchases
SleepStack
- SleepStack Pro weekly$4.997 Days
- SleepStack Pro Yearly$29.991 Year
- SleepStack Yearly1 Year trial$59.991 Year









