Comparison

waterdrop® Hydration App vs StressBuddy App

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

Head to head
About

waterdrop® Hydration App

This app helps you establish personal hydration goals and daily targets to make drinking water a habit. It tracks your fluid intake, sends reminders, and offers challenges to keep you motivated. It also integrates with Apple Health for automatic target updates based on activity.

Highlights
  • Personalized hydration goals
  • Daily drinking targets
  • Fluid intake tracking
  • Water intake reminders
  • In-app challenges
  • Apple Health integration
Features
Read full description

Your dry spell ends here! How much water should you drink a day? Everybody has different needs. We help you establish your personal hydration goals & daily targets and make sure that drinking water becomes second nature. App your drinking game. The waterdrop® Hydration App helps you keep on track with your fluid-intake. It's your water tracker app that reminds you to drink water and challenges you to take it one sip further. Our app... • Tracks Keep track of your drinking habits 24/7 and reach daily targets. • Reminds Regular water reminders help you reach your daily drinking goals – sip by sip. • Challenges Discover in-app challenges, collect exclusive Club points and exchange them for free accessories. We even integrate with Apple Health, which means you can sync your water intake to Apple Health and automatically update your hydration target based on the activity you logged in Apple Health. NEW: Fancy an extra smart water bottle? The innovative LUCY Smart Cap automatically measures your every sip in the waterdrop® Hydration App, uses UV-purification to gently clean your water (without any chemicals!) and reminds you to reach your daily drinking goal by flashing softly. Thanks to LUCY, your water bottle tracks, purifies your water and reminds you to drink – all in one.

About

StressBuddy App

Features
Read full description

StressBuddy helps you notice stress early and respond on purpose. Log signals, triggers, and coping so you can see what works. SEPARATE PAID SUBSCRIPTION REQUIRED StressBuddy is free to download. Creating, updating, or deleting entries; changing custom fields or reminders; using subscription-gated tracking areas and insights; and exporting saved data require a separately purchased, auto-renewable subscription. Monthly and yearly options are offered through Apple in-app purchase, and the price is shown before purchase. Pro tracking (paid subscription required) - Calmness, tension, and overwhelm (1–10) - Early signals: jaw, breath, shoulders - Triggers: work, people, environment - Emotional states and journal prompts - Coping actions tried and how well they worked Pro insights (paid subscription required) - Stress curves by time of day and week - Triggers that show up most - Coping techniques that consistently help Pro reports (paid subscription required) - Export to PDF, CSV, HTML, or plain text - Share with your therapist - Copy to clipboard for journal apps Terms of Use: https://getbuddyapps.com/terms/

Screenshots

waterdrop® Hydration App4 screens
StressBuddy App4 screens

Verdict

The call

The clearest difference is in-app purchases: waterdrop® Hydration App at none against StressBuddy App's 2. StressBuddy App's advantage is update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement 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. StressBuddy App sells 2 in-app purchases, starting at $2.99 per month. waterdrop® Hydration App asks for nothing beyond the download.

UpkeepUpdate frequency

waterdrop® Hydration App ships an update every 2 months, StressBuddy App every 2 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
waterdrop® Hydration App versus StressBuddy App: the parameters behind the verdict, then further details
Parameterwaterdrop® Hydration AppStressBuddy App
PriceFreeFree
Rating4.8 (784 ratings) — better—
Positive reviews83.1% of reviews—
Number of ratings784 — better—
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size95 MB42 MB
Age rating4+4+
DeveloperWaterdrop Microdrink GmbHArla Group LLC

Bugs and requests

waterdrop® Hydration App

Reported bugs

3 issues
  • Challenges/progress sometimes reset unexpectedly
  • Connectivity issues with Lucy smart cap
  • App crashes or freezes on some devices

Requested features

6 requests
  • Ability to edit or backdate entries
  • Integration with Apple Health
  • Option to save custom drink sizes
  • Mixing/blending of Waterdrop flavors
  • Inventory tracking for Waterdrop products
Show 1 more
  • Apple Watch app or complications

StressBuddy App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

waterdrop® Hydration App

No in-app purchases

2 purchases

StressBuddy App

Subscriptions2
  • StressBuddy Pro Monthly3 Days trial$2.991 Month
  • StressBuddy Pro Annual3 Days trial$29.991 Year

Questions

Is waterdrop® Hydration App free?
waterdrop® Hydration App is free to download, with no in-app purchases.
Is StressBuddy App free?
StressBuddy App is free to download, with in-app purchases available.
Do waterdrop® Hydration App or StressBuddy App have ads?
Neither waterdrop® Hydration App nor StressBuddy App shows ads.
Which is updated more often, waterdrop® Hydration App or StressBuddy App?
waterdrop® Hydration App ships an update every 2 months, and StressBuddy App every 2 days. Most recently, waterdrop® Hydration App was updated on November 7, 2026 and StressBuddy App on October 31, 2026.

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