Comparison

HIIT X vs Lullabyte

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

Head to head
About

HIIT X

Engage in high-intensity workouts designed for quick, real results in just 40 minutes. This app offers a 4-zone method targeting strength, agility, endurance, and power. Enjoy flexible 10-minute rolling start times for ultimate accessibility and join a supportive fitness community.

Highlights
  • 40-minute high-intensity workouts
  • 4-zone training method
  • Strength, agility, endurance, power focus
  • Flexible 10-minute rolling start times
  • Fitness journey tracking
  • Community support
Features
Read full description

Welcome to HIIT X Fitness, where fitness is a lifestyle, and progress is our passion. We're all about quick, real results in just 40 minutes. Join our vibrant community, embrace the power of high-intensity workouts, and track your fitness journey. Our 4-zone method targets strength, agility, endurance, and power, tailored for the modern, on-the-go individual. What sets us apart? Our flexible 10-minute rolling start times make fitness accessible anytime, fitting seamlessly into your dynamic life. Discover a fitness community that understands your needs and join the movement towards a healthier, trendier you. It's fitness on your terms, and it's all happening at HIIT X Fitness!

About

Lullabyte

Features
Read full description

Lullabyte is the sleep sound mixer that helps you fall asleep faster and stay asleep longer. Mix ambient sounds together to create your perfect sleep environment -- every single night. MIX YOUR PERFECT SOUNDTRACK Choose from 18 beautifully crafted ambient sounds and layer them together. Rain over ocean waves? Campfire with distant thunder? Every combination is unique to you. SOUNDS INCLUDED: Nature: Rain, Ocean Waves, Thunder, Forest, Wind, River, Birds, Night Crickets, Campfire Noise: White Noise, Pink Noise, Brown Noise Household: Fan, Train, Cafe, Keyboard, Dryer, Airplane INDIVIDUAL VOLUME CONTROLS Fine-tune each sound independently. Turn up the rain, dial back the thunder -- you're in complete control of your mix. SLEEP TIMER Set a timer from 5 minutes to 2 hours. When time is up, your sounds gently fade out so you're never jolted awake. DESIGNED FOR BEDTIME Beautiful dark interface that won't strain your eyes at night. Launch the app, tap your sounds, and drift off. WORKS OFFLINE All sounds are stored on your device -- no internet connection needed. Perfect for flights, camping, or anywhere you need better sleep. PRIVACY FIRST Lullabyte collects zero personal data. No accounts, no tracking, no ads on the free tier. -- FREE FEATURES -- 6 ambient sounds (Rain, Ocean, White Noise, Fan, Campfire, Crickets) Mix up to 3 sounds together Volume controls Sleep timer -- PREMIUM FEATURES -- All 18 ambient sounds Unlimited sound mixing Future sounds included for free Support an indie developer Start sleeping better tonight. Download Lullabyte -- it's free. Payment is charged to your Apple ID account. Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. Manage subscriptions in Settings > Apple ID > Subscriptions. https://kcunningham408.github.io/vibecmd-pages/lullabyte/terms.html

Screenshots

HIIT X4 screens
Lullabyte4 screens

Verdict

The call

The clearest difference is in-app purchases: HIIT X at none against Lullabyte's 1. HIIT X also leads on update cadence (every 4 weeks vs every 2 months). Lullabyte's advantage is ads (none vs shown). On price, 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. Lullabyte sells 1 one-off in-app purchase. HIIT X asks for nothing beyond the download.

UpkeepUpdate frequency

HIIT X ships an update every 4 weeks, Lullabyte every 2 months. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 6 level
HIIT X versus Lullabyte: the parameters behind the verdict, then further details
ParameterHIIT XLullabyte
PriceFreeFree
Rating5.0 (44 ratings) — better—
Number of ratings44 — better—
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.1
Further details — not scored
Size47 MB39 MB
Age rating4+4+
DeveloperOrtega time industries, inc.VibeCMD

In-app purchases

None

HIIT X

No in-app purchases

1 purchases

Lullabyte

One-time1
  • Lullabyte Pro$2.99

Questions

Is HIIT X free?
HIIT X is free to download, with no in-app purchases.
Is Lullabyte free?
Lullabyte is free to download, with in-app purchases available.
Do HIIT X or Lullabyte have ads?
HIIT X shows ads; Lullabyte does not.
Which is updated more often, HIIT X or Lullabyte?
HIIT X ships an update every 4 weeks, and Lullabyte every 2 months. Most recently, HIIT X was updated on October 11, 2026 and Lullabyte on October 4, 2026.

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