Comparison

Hydration Tracker vs Sounds for Sleep

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

Head to head
About

Hydration Tracker

This app helps you monitor your daily water intake to improve health and energy. It calculates your personalized hydration needs based on various factors and provides reminders to ensure you reach your goals. Log drinks, view progress, and earn achievements to stay motivated.

Highlights
  • Calculate required water intake
  • Set daily goals
  • Receive hydration alerts
  • Log drink times and amounts
  • Track multiple drink types
  • View daily consumption graphs
  • Earn achievements and water tips
Features
Read full description

Water is essential to life. Stay hydrated to improve your health, boost your energy, and make healthier choices throughout the day. Water Balance keeps you healthy by tracking your water intake and reaching your daily goals through a friendly reminder system. How much water do you need? The amount is based on weather conditions, how active you are, your body health, your eating intervals, etc. This app calculates it for you. It supports Apple Watch and is also integrated with Apple Health. Features: • Calculate your required water intake • Set goals • Get alerts • Log in drinking time • Enter glasses or units • Enter multiple types of drinks • Daily consumption in graph view • Freebies to maintain the motivation • Water Tips • Achievement Keep yourself hydrated by never forgetting to drink the required amount of water regularly. Stay healthy, Stay fit. Privacy Policy and Terms of Service: https://www.loyal.app/privacy-policy

About

Sounds for Sleep

Create personalized soundscapes by blending over 50 ambient noises to aid sleep, focus, or relaxation. Customize volume, speed, and EQ for each sound with a smart fade-out timer and dark mode for nighttime use.

Highlights
  • Blend 50+ ambient sounds
  • Customize volume, speed, and EQ
  • Smart sleep timer with fade-out
  • Offline playback
  • Dark mode for night use
  • Create custom sound mixes
Features
Read full description

Fall asleep faster with your perfect sound mix. Sleep Sounds blends calming ambient sounds, ready-made scenes and live-synthesized tones into the ultimate sleep or focus environment — all in a beautiful, distraction-free design. Why You'll Love It: - 100+ immersive ambient sounds Rain, ocean waves, fireplace, fan, forest, city hum, space, white/pink/brown/green noise, ASMR, and calming music. - 80+ ready-made mixes Tap one and drift off. Rainy Night, Thunder Camp, Deep Forest, Cosmic Nap and dozens more, grouped by mood — sleep, focus, nature, rain, cozy, cosmic, ASMR, travel. - Brainwave beats Binaural and isochronic tones across the five classic bands — Delta, Theta, Alpha, Beta and Gamma. Layer them over any sound or play them on their own. - Healing frequencies The nine Solfeggio tones plus 432 Hz, held steady with a gentle swell. Pick whichever you find most pleasant to listen to. - Endless generator A procedural composer that synthesizes ambient sound live on your device — drone, breathing, melody and coloured noise. It never loops and never repeats. - Flow auto-mix Let the app DJ your night. Flow picks compatible scenes and crossfades between them every few minutes. - Build your own mix Layer any number of sounds. Adjust volume, speed and 3-band EQ per sound, add echo, reverb or pitch, then save the result as your own mix. - Import your own sounds Add any audio file from Files and mix it with the built-in library. - Breathing exercises Eight guided patterns, including 4-7-8, box breathing and coherent breathing. - Sleep tracker Log your nights, rate how you slept, watch your trends, and sync it all quietly to Apple Health. - Smart sleep timer with fade-out Drift off naturally. Sounds gently fade and stop when your timer ends — up to 4 hours. - Designed for night use Seven themes including dark mode. Offline playback. Lock screen controls. Bedtime reminders. Zero distractions. Perfect For: - Falling asleep faster - Masking background noise and snoring - Boosting focus and relaxation - Meditation and winding down - Traveling, studying, or napping Note: binaural beats work through headphones — the effect relies on a slightly different tone reaching each ear. Isochronic tones and healing frequencies play fine on speakers. Start sleeping better tonight: Download Sleep Sounds and create your personal path to calm. Go Pro: Unlock everything — all 100+ sounds, all 80+ mixes, every brainwave band and healing frequency, all generator presets, Flow, all breathing exercises, sleep quality tracking, unlimited timer, every theme, background playback, and no ads. Subscription options: - Sleep Sounds Pro Monthly — $4.99 per month - Sleep Sounds Pro Yearly — $29.99 per year, with a 7-day free trial - Sleep Sounds Pro Lifetime — $39.99 one-time payment, no subscription Prices are in USD and may vary by region; the exact price is shown in the app before you confirm. - By subscribing you get unlimited access to all the app's functionality for the whole duration of your subscription period. - Payment will be charged to your Apple Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. - Account will be charged for renewal within 24 hours prior to the end of the current period. - Any unused portion of a free trial period is forfeited when you purchase a subscription. - You can manage your subscription and turn off auto-renewal anytime through your Account Settings. Privacy Policy: https://mobile-apps.dev/sounds-for-sleep-privacy-policy Terms of Use: https://mobile-apps.dev/sounds-for-sleep-terms-of-use

Screenshots

Hydration Tracker4 screens
Sounds for Sleep4 screens

Verdict

The call

The clearest difference is update cadence: Sounds for Sleep at every 3 days against Hydration Tracker's every 5 weeks. Sounds for Sleep also leads on review sentiment (88% vs 70%). On price, rating, ratings volume and ads 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. Hydration Tracker sells 10 in-app purchases, starting at $0.99 per 7 days and Sounds for Sleep sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Hydration Tracker against 4.6 for Sounds for Sleep. Both are backed by a comparable volume of ratings — 219 and 82 respectively. Written reviews are what separate them: 70% of Hydration Tracker's written reviews are positive against 88% of Sounds for Sleep's.

UpkeepUpdate frequency

Hydration Tracker ships an update every 5 weeks, Sounds for Sleep every 3 days. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
Hydration Tracker versus Sounds for Sleep: the parameters behind the verdict, then further details
ParameterHydration TrackerSounds for Sleep
PriceFreeFree
Rating4.6 (219 ratings)4.6 (82 ratings) — better
Positive reviews69.6% of reviews87.5% of reviews — better
Number of ratings219 — better82
Update frequencyEvery 5 weeksEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod, Apple WatchiPhone, iPad, Mac
Requires iOS15.0 — better16.0
Further details — not scored
Size172 MB259 MB
Age rating4+4+
DeveloperLoyal Health & Fitness, Inc.Viacheslav Khakhulin

Customer experience

Hydration Tracker

All ratings218 ratings
Positive91.3%
Neutral1.8%
Negative6.9%
Written reviews46 reviews
Positive69.6%
Neutral2.2%
Negative28.3%

Sounds for Sleep

All ratings79 ratings
Positive89.9%
Neutral1.3%
Negative8.9%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Bugs and requests

Hydration Tracker

Reported bugs

12 issues
  • App crashes frequently
  • App freezes when logging drinks
  • App closes immediately after logging fluid intake
  • Cannot see logged information due to freezing
  • Ads pop up on app boot
Show 7 more
  • App requires payment again after initial purchase
  • Units (oz/ml) are inconsistent between pages
  • Apple Watch app glitches, won't stay in Oz, closes when adding water
  • App crashes on opening
  • App does not work on Apple Watch
  • Paid features (add-ons) disappear after a few weeks
  • App doesn't work on watch at all

Requested features

8 requests
  • Add decimal option for logging drinks
  • Allow customization of notification times
  • Include soda and yogurt as drink options
  • Improve drink and volume choices
  • Provide a clear option to remove ads
Show 3 more
  • Sync Apple Watch and iPhone units and goals
  • Clarify subscription pricing in description
  • Add more accurate ounce options for logging

Sounds for Sleep

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Hydration Tracker

Subscriptions9
  • Weekly$0.997 Days
  • Weekly Trial3 Days trial$0.997 Days
  • Water Balance Premium$1.991 Month
Show 6 more
  • Monthly$2.991 Month
  • Monthly Trial3 Days trial$2.991 Month
  • Yearly$5.991 Year
  • Yearly Trial3 Days trial$9.991 Year
  • Loyal Pass Monthly WB$9.991 Month
  • Loyal Pass Yearly WB$59.991 Year
One-time1
  • LifeTime Access$1.99
3 purchases

Sounds for Sleep

Subscriptions2
  • Monthly Pro3 Days trial$9.991 Month
  • Yearly Pro7 Days trial$29.991 Year
One-time1
  • Pro$49.99

Questions

Is Hydration Tracker free?
Hydration Tracker is free to download, with in-app purchases available.
Is Sounds for Sleep free?
Sounds for Sleep is free to download, with in-app purchases available.
Which has better reviews, Hydration Tracker or Sounds for Sleep?
Sounds for Sleep is rated higher. Hydration Tracker averages 4.6 out of 5 from 219 ratings, while Sounds for Sleep averages 4.6 from 82 ratings.
Do Hydration Tracker or Sounds for Sleep have ads?
Both Hydration Tracker and Sounds for Sleep show ads.
Which is updated more often, Hydration Tracker or Sounds for Sleep?
Hydration Tracker ships an update every 5 weeks, and Sounds for Sleep every 3 days. Most recently, Hydration Tracker was updated on November 11, 2026 and Sounds for Sleep on November 8, 2026.

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