OrthoWell Smart vs WaterVamp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OrthoWell Smart
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The OrthoWell Smart smartphone app was specially developed for the Dynaglobe® dual-chamber air core mattress and only works in combination with this model. The app can only be used in conjunction with the original Dynaglobe® Bluetooth pump. - Sleep redefined: limitless relaxation with the OrthoWell Smart feel-good app New: - Intuitive facelift of the user interface - Target group-oriented design - Brand new programs and features Description: Multiple awards: Experience your incomparable wellness factor thanks to smart app control! Experience ultimate comfort by either having your individual sleeping position set automatically or choosing it yourself from a variety of thousands of reclining options. Immerse yourself in the world of pure relaxation with our exclusive relaxation and well-being programs “Relax”, “Power Napping”, the “Ortho” spinal stretching program or the new “changing lying phases”. Transform your bedroom into an intelligent wellness oasis! - child's play easy installation - developed by sleep experts - Awarded the IT Innovation Prize by Initiative Mittelstand several times - Automatic body pressure measurement for individually optimized bed adjustment - increased safety for an ergonomically correct lying position - Manual control of firmness possible at any time - Save & retrieve your desired setting in two modes: day and night mode - Wellness and relaxation programs: Relax, Ortho, Power Napping changing lying phases (new) - New features: Wake-up function, wellness sounds - Prizes won: Mittelstand Best of 2012, 2015, 2017 & 2018. -------------------------------------------------- Description of various programs: - Lying analysis program - your tailor-made firmness setting via app Simple, fast and precise: the lying analysis measures you in your preferred sleeping position. The program determines the optimum pressure for you and adjusts automatically. - Ortho program - effective regeneration for your spine The gentle stretching program for your spine: developed together with therapists. Beneficial for back pain and intervertebral disc problems. - Program changing lying phases - full control over individual time intervals Especially for people with physical problems: Automatic adjustment of the pressure ratios in your air core mattress to relieve stressed areas of the body and alleviate pain. -------------------------------------------------- App development: Werner Hövelmanns (WHWK) Ortho-Well® is a registered trademark of Dynaglobe Products GmbH & Co. KG
WaterVamp
This app helps you track your daily water intake with a charming chibi vampire mascot. Log your "blood" with one tap, receive gentle reminders, and analyze your hydration history with visual charts and streaks. Unlock achievements and customize your experience with various fill styles and themes.
- Chibi vampire mascot
- One-tap logging
- Animated vial fill
- Customizable reminders
- Hydration history charts
- Unlockable achievements
- Themed fill styles
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Stay hydrated. Stay immortal. WaterVamp is not your typical water tracker. Forget boring blue apps. Meet your lovable chibi vampire who thinks water is blood - but genuinely wants what's best for you. YOUR DAILY BLOOD RITUAL A hydration tracker you'll actually use. Log your "blood" with one tap. Watch your animated vial fill as your vampire grows stronger. Hit your goal and the castle celebrates. - Quick-add: +100 ml / +250 ml / +500 ml - Custom amount - enter any quantity you like - Animated vial with a hypnotic wave fill effect - 36 rotating vampire taglines reacting to your hydration level - Drop animation & haptic feedback on every single log Your vampire reacts to your hydration. Ignore it long enough... and it gets thirsty. ANALYZE YOUR HUNTS Stay on top of your immortal performance with rich visual history and data. - 7-day colour-coded bar chart - Current streak, best streak, daily average - Thirst Mode - special mascot reactions after evening inactivity - Premium: 30-night heatmap (10x3 grid, 30 days at a glance) - Premium: Hourly breakdown chart REMINDERS THAT BITE Gentle nudges before the real thirst kicks in. - Scheduled daily repeating reminders - Rotating vampire messages: "Time to feed." / "Your blood level is low." / "You look pale. Drink water." / "Stay immortal. Stay hydrated." - Free: up to 3 reminders per day - Premium: unlimited reminders UNLOCK THE COLLECTION 12 dark achievements across 4 categories. Earn them. Collect them. Fear them. Fresh Blood - 3-day streak Still Undead - 7-day streak Immortal Habit - 30-day streak Century Sips - 100-day streak Early Bat - First drink before 6 AM Daywalker - Daily goal hit between noon and 5 PM Nocturnal Hydration - 3 drinks logged after 10 PM Flood Warning - Drink twice your daily goal Social Bat - Share the app with a friend The Big Gulp - Single entry of 500 ml or more Hydro Lord - 100 L consumed in total Royal Blood - Exclusive badge for Sang Royal members EVERY VAMPIRE HAS A STYLE Personalize your fill visualizer. Because no two vampires are alike. Fill styles: - Bottle (free) - Glass / Coffin / Circle / Pool (Sang Royal) Dark theme variants: - Void - deep dark violet, the classic crypt - Abyss - deep purple, for the truly dramatic - Crimson - near-black red, no garlic allowed Light mode available for the daywalkers among us. SANG ROYAL - GO PREMIUM Unlock the full vampire experience and rule the night. - 4 exclusive fill styles: Glass, Coffin, Circle, Pool - 30-night hydration heatmap - Unlimited daily reminders - Hourly history breakdown - Exclusive Royal Blood achievement badge Monthly plan - $2.99 / month Yearly plan - $17.99 / year (save 50%, ~$1.50/month) Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your Apple ID account settings. YOUR DATA STAYS YOURS WaterVamp stores all data locally on your device. No account required. No data is ever sent to our servers. Your blood count stays between you and your vampire. AVAILABLE IN English / French / Japanese / Korean / Portuguese (Brazil) / Spanish / Russian Don't end up dry. Join the nocturnal community that actually drinks water. The castle is ready. Are you? Privacy Policy: https://watervamp.app/privacy Terms of Service: https://watervamp.app/terms
Screenshots
Verdict
The clearest difference is in-app purchases: OrthoWell Smart at none against WaterVamp's 3. OrthoWell Smart also leads on iOS requirement (13.0 vs 16.4). WaterVamp's advantage is update cadence (every 3 weeks vs every 2 months). 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. WaterVamp sells 3 in-app purchases, starting at $2.99 per month. OrthoWell Smart asks for nothing beyond the download.
OrthoWell Smart ships an update every 2 months, WaterVamp every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | OrthoWell Smart | WaterVamp |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 30 MB | 80 MB |
| Age rating | 17+ | 4+ |
| Developer | Werner Hoevelmanns | Ange Rodriguez |
In-app purchases
OrthoWell Smart
No in-app purchases
WaterVamp
- Royal Blood - Monthly$2.991 Month
- Royal Blood - Yearly$17.991 Year
- Royal Blood - Lifetime$4.99







