Comparison

Clock Alarm++ vs Hydra Flow Daily

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

Head to head
About

Clock Alarm++

This app offers a customizable alarm experience with a variety of sounds and a smart wake-up feature to ensure you feel refreshed. It also includes white noise sleep sounds with a timer and bedtime reminders for better sleep hygiene.

Highlights
  • Variety of alarm sounds
  • White noise sleep sounds with timer
  • Customizable digital screen
  • Smart alarm and snooze
  • Multiple and recurring alarms
  • Bedtime reminder
Features
Read full description

Welcome to Clock Alarm, the ultimate iOS app designed to revolutionize your mornings and transform the way you wake up. With a range of innovative features and customizable options, Clock Alarm ensures you start your day on the right note, feeling refreshed and ready to conquer the world. Key Features: 1. Alarm with a Variety of Sounds: Clock Alarm offers a wide selection of alarm sounds to suit your preferences. Whether you prefer gentle melodies, nature-inspired tunes, or energetic beats, there's a sound to match every mood. Wake up to your favorite music, a soothing melody, or even the sound of chirping birds – the choice is yours! 2. White Noise Sleep Sounds with Timer: Trouble falling asleep? Clock Alarm has you covered. Enjoy a peaceful night's sleep with a collection of high-quality white noise sleep sounds, such as rain, waves, and forest ambience. Set a timer to automatically turn off the sounds after a certain duration, allowing you to relax and drift off into a restful sleep. 3. Customizable Digital Screen: Personalize your wake-up experience with Clock Alarm's customizable digital screen. Choose from a variety of visually appealing colors and font styles to create a display that resonates with your taste and complements your device's aesthetics. Whether you prefer a sleek minimalistic look or a vibrant burst of color, the app lets you create a unique and visually pleasing clock face. 4. Smart Alarm and Snooze Function: Never oversleep again with Clock Alarm's smart alarm feature. The app analyzes your sleep patterns and ensures that you wake up during a light sleep phase, leaving you feeling refreshed and energized. Activate the snooze function for those mornings when you need a few extra moments of rest without worrying about oversleeping. 5. Multiple Alarms and Recurring Alarms: Clock Alarm allows you to set multiple alarms for different occasions, ensuring you never miss an important event or appointment. Whether it's a weekday wake-up call or a reminder for an important meeting, the app lets you schedule alarms with ease. You can also set recurring alarms, saving you the hassle of manually setting them every day. 6. Bedtime Reminder: Maintain a consistent sleep schedule with Clock Alarm's bedtime reminder feature. Set a reminder to receive a notification when it's time to wind down and prepare for bed. Establishing a regular sleep routine can significantly improve your overall sleep quality and well-being. Clock Alarm is the perfect companion for anyone seeking to enhance their sleep and wake-up experience. Download the app now and start enjoying peaceful nights and energized mornings. Wake up refreshed, rejuvenated, and ready to embrace each day with Clock Alarm – the ultimate iOS alarm app. Note: Clock Alarm requires iOS 15.4 or later. Some features may vary depending on your device's compatibility and operating system version.

About

Hydra Flow Daily

Features
Read full description

Hydra Flow is a calm, distraction-free water tracker. One tap logs a sip, a cup or a bottle. A ring, bottle or body silhouette fills as you drink, and gentle reminders stop the moment you reach your goal. LOG IN ONE TAP • Quick-add buttons for 100 ml, 250 ml and 500 ml (or oz) • 60+ drinks: water, coffee, tea, juice, sports drinks, milk and more, each counted with its real hydration value • Undo any entry with one tap • Today's log shows every drink with its time WIDGETS AND SIRI • Home Screen widget with tap-to-log buttons, no need to open the app • Lock Screen widgets show today's progress next to the clock • "Hey Siri, log water in Hydra Flow" and "Check my hydration in Hydra Flow" A GOAL THAT FITS YOU • Personalised daily goal from your weight, height, age and sex (IOM guidelines) • Weather-aware suggestion: on hot days Hydra Flow proposes a higher goal for today • Adjustable any time from Settings STAY CONSISTENT • Smart reminders every 1–4 hours inside the hours you choose, paused once the goal is reached • Streaks, weekly consistency and monthly goals • Week, month and year history with a clean chart APPLE WATCH • Log water from your wrist and see today's ring • Syncs with iPhone PRIVATE BY DESIGN • No account, no ads, no tracking • Optional Apple Health sync (writes water intake) • Optional iCloud sync between your devices Three appearances (Deep, Spa, Cloud), metric or imperial units, and a week that starts on the day you choose.

Screenshots

Clock Alarm++4 screens
Hydra Flow Daily4 screens

Verdict

The call

The clearest difference is price: Clock Alarm++ at Free against Hydra Flow Daily's $1.99. Clock Alarm++ also leads on iOS requirement (15.0 vs 18.6). Hydra Flow Daily's advantage is ads (none vs shown) and update cadence (every 2 months vs every 4 months). On in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Clock Alarm++ is free to download; Hydra Flow Daily costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Clock Alarm++ ships an update every 4 months, Hydra Flow Daily every 2 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
Clock Alarm++ versus Hydra Flow Daily: the parameters behind the verdict, then further details
ParameterClock Alarm++Hydra Flow Daily
PriceFree — better$1.99
Rating4.2 (1.4K ratings) — better—
Positive reviews43.6% of reviews—
Number of ratings1.4K — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better18.6
Further details — not scored
Size21 MB3 MB
Age rating4+4+
DeveloperUniCom TechnologyMohamed Shafi

Bugs and requests

Clock Alarm++

Reported bugs

4 issues
  • Alarm volume keeps increasing
  • App crashes when adjusting white noise volume
  • Minute digits missing on iPad
  • Alarm not working consistently

Requested features

4 requests
  • Add 12-hour time format option
  • Improve alarm sound selection
  • Allow naming of individual alarms
  • Integrate with music library for alarm sounds

Hydra Flow Daily

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Clock Alarm++

No in-app purchases

None

Hydra Flow Daily

No in-app purchases

Questions

Is Clock Alarm++ free?
Clock Alarm++ is free to download, with no in-app purchases.
Is Hydra Flow Daily free?
Hydra Flow Daily costs $1.99, with no in-app purchases.
Do Clock Alarm++ or Hydra Flow Daily have ads?
Clock Alarm++ shows ads; Hydra Flow Daily does not.
Which is updated more often, Clock Alarm++ or Hydra Flow Daily?
Clock Alarm++ ships an update every 4 months, and Hydra Flow Daily every 2 months. Most recently, Clock Alarm++ was updated on October 21, 2026 and Hydra Flow Daily on October 15, 2026.

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