Comparison

Loud Alarm Clock by BLITZ vs Flight parameters

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

Head to head
About

Loud Alarm Clock by BLITZ

This app provides extremely loud and customizable alarm sounds to ensure heavy sleepers wake up on time. Users can personalize alarms with their own music, choose from a wide variety of intense sound effects, and adjust clock displays. It offers advanced settings for multiple alarms, recurring schedules, and offline functionality.

Highlights
  • Unmatched loudness for heavy sleepers
  • Personalized music alarm options
  • Volume-boosted sound effects
  • Extensive collection of alarm tones
  • Customizable clock display themes
  • Multiple and recurring alarm settings
  • Offline functionality
Features
Read full description

Finally! A Totally Redesigned and Incredible Extreme Loud Alarm Clock to Wake You Up and Get You Out of Bed! **Loudest Alarm Clock on the App Store!** **Volume-Boosted Sounds!** **Play Your Own Personal Music and Songs!** Transform your mornings with the ultimate wake-up app. Perfect for heavy sleepers or anyone needing a strong wake-up call. Customize alarm sounds, select MP3s from your library, and personalize your digital clock to fit your style and mood! **TOP FEATURES** **Unmatched Loudness** Wake up to the loudest and most persistent alarms. No more endless snoozing! **Personalized Music** Choose your favorite songs from your music library as your alarm. Start your day with the tunes you love! **Volume-Boosted Sounds** Professionally engineered sounds that ensure you hear your alarm no matter how deep your sleep. **Extensive Sound Collection** Select from over 50 alarm tones, including: - Blazing Sirens - Air Horns - Police Alarms - Old-School Buzzers - Loud Bells - Hilarious Voice Alarms And more! Tailor your wake-up experience to suit your mood. **Customizable Clock Display** Personalize your digital clock with a variety of themes and styles. Choose from vibrant colors, stylish fonts, and unique clock faces. **Advanced Alarm Settings** Set multiple alarms with different sounds and schedules. Perfect for varying wake-up times throughout the week! **Recurring Alarms** Enable recurring alarms for daily routines. Never miss an important wake-up call again! **Convenient Snooze Options** Select your preferred snooze duration – 5, 10, or 15 minutes. Wake up at your own pace without oversleeping. **Works Offline** No internet? No problem! Our alarm works even in offline mode, ensuring you wake up on time, every time. **Low Battery Mode** Optimized to save battery life without compromising on loudness or reliability. **Night Stand Mode** Turn your phone into a stylish digital clock with adjustable brightness. Perfect for your bedside table. **Easy to Use** With an intuitive interface and straightforward setup, getting your alarm ready is a breeze. **REAL USER REVIEWS** “Finally, an alarm that actually wakes me up! The customizable sounds and volume options make all the difference. I can even wake up to my favorite songs now!” “Best alarm clock app ever! Love the design and the customizable options. The extreme loudness ensures I never miss another wake-up call.” “Perfect for heavy sleepers! The loud, persistent sounds and personalized music wake me up every time. Highly recommend this app!" “A life-saver for early mornings. The ability to set multiple alarms and choose my own songs is fantastic. It’s my go-to alarm app now.” **Don't let another morning slip away.** Download the Loud Alarm Clock by BLITZ now and experience the ultimate wake-up call that keeps you on time and in charge of your day. **DOWNLOAD NOW AND EXPERIENCE THE DIFFERENCE!** (Optional) Upgrades available via in app purchase: • Remove ads, unlock all sounds. • Length of subscription (30 days) • Payment will be charged to iTunes 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, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Terms of service - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Flight parameters

Features
Read full description

Calculation of standard ISA atmospheric parameters (pressure, density, temperature) Calculation of QNH altitude Calculation of MSA correction for off-standard atmospheres Conversion of calibrated air speed to mach number

Screenshots

Loud Alarm Clock by BLITZ4 screens
Flight parameters2 screens

Verdict

The call

The clearest difference is price: Loud Alarm Clock by BLITZ at Free against Flight parameters's $2.99. Loud Alarm Clock by BLITZ also leads on update cadence (every 8 days vs every 3 weeks). Flight parameters's advantage is in-app purchases (none vs 17) and ads (none vs shown). On 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

Loud Alarm Clock by BLITZ is free to download; Flight parameters costs $2.99 up front. Loud Alarm Clock by BLITZ sells 17 in-app purchases, starting at $0.99 per 7 days. Flight parameters asks for nothing beyond the download.

UpkeepUpdate frequency

Loud Alarm Clock by BLITZ ships an update every 8 days, Flight parameters every 3 weeks. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

Scorecard4 real differences · 6 level
Loud Alarm Clock by BLITZ versus Flight parameters: the parameters behind the verdict, then further details
ParameterLoud Alarm Clock by BLITZFlight parameters
PriceFree — better$2.99
Rating4.5 (1.7K ratings) — better—
Positive reviews80.6% of reviews—
Number of ratings1.7K — better—
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.4 — better
Further details — not scored
Size69 MB1 MB
Age rating4+4+
DeveloperInfinite Wave Media, LLCKonstantinos Ladiellis

Bugs and requests

Loud Alarm Clock by BLITZ

Reported bugs

3 issues
  • Alarms not going off as scheduled
  • Alarms randomly turning off
  • Inconsistent alarm settings

Requested features

4 requests
  • Ability to adjust alarm volume
  • Option to dim screen brightness
  • Allow setting multiple alarms without issues
  • Compatibility with Bluetooth speakers

Flight parameters

Not enough reviews yet to summarise bugs or requests.

In-app purchases

17 purchases

Loud Alarm Clock by BLITZ

Subscriptions3
  • Loud Alarm Clock Pro Weekly$0.997 Days
  • Loud Alarm Clock Pro7 Days trial$0.991 Month
  • Loud Alarm Clock Pro Annual7 Days trial$9.991 Year
One-time14
  • Car Alarm Xtrm$0.99
  • EAS Beep$0.99
  • Barking Dog$0.99
Show 11 more
  • Class Is Out$0.99
  • Progressive$0.99
  • Rain On Metal$0.99
  • Rooster Call$0.99
  • Scream$0.99
  • Sound Grenade$0.99
  • Chalkboard$0.99
  • Angry Parrot$0.99
  • Retro$0.99
  • All Sounds$3.99
  • Lifetime$29.99
None

Flight parameters

No in-app purchases

Questions

Is Loud Alarm Clock by BLITZ free?
Loud Alarm Clock by BLITZ is free to download, with in-app purchases available.
Is Flight parameters free?
Flight parameters costs $2.99, with no in-app purchases.
Do Loud Alarm Clock by BLITZ or Flight parameters have ads?
Loud Alarm Clock by BLITZ shows ads; Flight parameters does not.
Which is updated more often, Loud Alarm Clock by BLITZ or Flight parameters?
Loud Alarm Clock by BLITZ ships an update every 8 days, and Flight parameters every 3 weeks. Most recently, Loud Alarm Clock by BLITZ was updated on October 21, 2026 and Flight parameters on October 20, 2026.

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