Comparison

inOut Tracker vs Drink Keeping

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

Head to head
About

inOut Tracker

Monitor your daily water intake and output with detailed logging options. Receive timely notifications to maintain optimal hydration levels and prevent fatigue. Features customizable targets, quick entry options, and historical data review.

Highlights
  • Customizable daily hydration targets
  • Log water inputs and outputs
  • Quick entry customization
  • Daily intake and average summaries
  • Hydration reminder notifications
  • History view of logs
Features
Read full description

Been asked to monitor your water intake and output? inOut Tracker does exactly that! Using both quick and complex inputs that not only include the basic timestamp that you often get, inOut Tracker gives you the option to add a drink type, output color and notes! Tired of feeling dehydrated and fatigued? inOut Tracker delivers notifications to remind you to stay on top of your hydration levels and helps you keep these in check throughout the whole day! Features: • Create a calculated, average or custom daily target • Log inputs and outputs • Customise a "quick entry" • View your daily intake • Get an average daily summary based on the last 7 days • Positive notifications to help you through the day • History view Download now to balance your hydration levels!

About

Drink Keeping

This app helps you monitor your daily water intake with personalized goals, smart reminders, and detailed statistics. Easily log your drinks and receive progress notifications to maintain a healthy lifestyle and stay energized.

Highlights
  • Custom water intake goals
  • Smart reminders
  • Hydration history and statistics
  • One-tap logging
  • Customizable drink sizes
  • Progress notifications
Features
Read full description

Drink Keeping is your personal hydration assistant, designed to help you stay on top of your water intake and maintain a healthy lifestyle. With easy-to-use tracking features, reminders, and insightful statistics, Drink Keeping ensures that you meet your daily hydration goals and stay refreshed. Whether you’re working, exercising, or just going about your day, this app is perfect for keeping you hydrated and energized. Key Features Custom Water Intake Goals: Set personalized hydration goals based on your body’s needs and activity levels. Smart Reminders: Get timely reminders throughout the day to ensure you’re drinking enough water. Hydration History: Track your daily, weekly, and monthly water intake with detailed statistics and insights. Simple Tracking: Log your water intake with just one tap, making it quick and easy to stay on track. Customizable Drink Sizes: Select from a variety of drink sizes or input custom amounts to accurately track your water intake. Progress Notifications: Receive motivating notifications as you reach hydration milestones throughout the day. Why Choose Drink Keeping? Improve Your Health: Staying hydrated helps improve your energy levels, skin health, and overall well-being. Easy-to-Use Interface: With its clean and intuitive design, Drink Keeping makes tracking your water intake effortless. Custom Reminders: Set your own reminder intervals to ensure you never forget to stay hydrated. Stay Consistent: Build healthy hydration habits with the help of detailed insights and progress tracking. How It Works Download & Install: Install Drink Keeping from the app store. Set Your Goal: Input your personalized hydration goal based on your activity level and preferences. Track Your Intake: Log each glass of water with a tap and monitor your progress throughout the day.

Screenshots

inOut Tracker4 screens
Drink Keeping4 screens

Verdict

The call

The clearest difference is rating: inOut Tracker at 5.0 against Drink Keeping's 4.0. inOut Tracker also leads on ratings volume (3 vs 1). Drink Keeping's advantage is update cadence (every 4 days vs every 2 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

inOut Tracker holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

inOut Tracker ships an update every 2 months, Drink Keeping every 4 days. The most recent releases landed on September 15, 2026 and June 2, 2026 respectively.

Scorecard3 real differences · 7 level
inOut Tracker versus Drink Keeping: the parameters behind the verdict, then further details
ParameterinOut TrackerDrink Keeping
PriceFreeFree
Rating5.0 (3 ratings) — better4.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.414.0 — better
Further details — not scored
Size3 MB13 MB
Age rating4+17+
DeveloperSebastian WhitfieldChengdu Xuhuai Ruogu Technology Co., Ltd.

Customer experience

inOut Tracker

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Drink Keeping

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

inOut Tracker

No in-app purchases

None

Drink Keeping

No in-app purchases

Questions

Is inOut Tracker free?
inOut Tracker is free to download, with no in-app purchases.
Is Drink Keeping free?
Drink Keeping is free to download, with no in-app purchases.
Which has better reviews, inOut Tracker or Drink Keeping?
inOut Tracker is rated higher. inOut Tracker averages 5.0 out of 5 from 3 ratings, while Drink Keeping averages 4.0 from 1 ratings.
Do inOut Tracker or Drink Keeping have ads?
Neither inOut Tracker nor Drink Keeping shows ads.
Which is updated more often, inOut Tracker or Drink Keeping?
inOut Tracker ships an update every 2 months, and Drink Keeping every 4 days. Most recently, inOut Tracker was updated on September 15, 2026 and Drink Keeping on June 2, 2026.

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