Comparison

Hotmoon vs Light Sleep

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

Head to head
About

Hotmoon

This app offers a personalized sleep solution by combining sound and light therapy with customizable sleep scenes. It provides a vast library of natural white noise, professional sound waves, and an intelligent mixing console to create unique soundscapes for better sleep.

Highlights
  • Sound Light Therapy Healing System
  • Sleep Scene Customization
  • 200+ natural white noise options
  • 300+ professional sound waves
  • Intelligent sound mixing console
  • Customizable soundscapes
Features
Read full description

Hotmoon: Seek Within, Sleep Deep. At Hotmoon, we believe restful sleep starts before bedtime. Whether it’s your breath, your mind, or your mood, true rest begins the moment you start letting go. That’s why we craft various sounds to slow your breath, calm your mind, and guide you gently into serenity. For light sleepers, busy minds, new parents, and anyone who struggles to unwind—Hotmoon adapts to your needs, not the other way around. Because sleep problems are personal. And one sound doesn’t work for everyone. Hotmoon gives you the freedom to explore, mix, and discover what truly helps you sleep better. Download Hotmoon today and build your perfect night. Additional Information: - Payment: Payment will be charged to your iTunes Account upon confirmation of purchase. - Cancellation: To cancel your subscription, please go to "Settings" > "iTunes Store & App Store" on your iOS device, select your "Apple ID," tap "View Apple ID," then tap "Subscriptions" on the account settings page and cancel your subscription. Please note that cancellations must be made at least 24 hours before the end of the current subscription period to avoid being charged. Cancellations made within 24 hours of the expiration date will result in the subscription fee being charged. - Renewal: Your Apple iTunes account will be charged within 24 hours prior to the expiration date. Upon successful charge, your subscription will be extended for another subscription period. Privacy Policy: https://hotmoon.com/pages/app-privacy-policy Terms of Use: https://hotmoon.com/pages/app-terms-and-conditions

About

Light Sleep

This app offers a library of professionally recorded white noise sounds designed to improve sleep, reduce stress, and enhance concentration. It features nature sounds, ambient noises, and calming music to create a tranquil environment for relaxation and focus.

Highlights
  • White noise library
  • Nature sounds
  • Relaxation music
  • Sleep improvement
  • Stress reduction
  • Concentration aid
Features
Read full description

Light Sleep is an app dedicated to improving physical and mental health. It provides users with white noise in various scenarios such as sleep, meditation, relaxation, and concentration, helping users obtain short-term tranquility in their busy lives. Each piece of white noise has been carefully recorded and professionally tested to ensure that it can effectively relieve stress, improve sleep quality and improve concentration. Light Sleep has a built-in rich sound library, which includes various sounds from life and nature, such as raindrops hitting windows, birds chirping, waves crashing on the shore, and so on. These sounds can not only make people feel the beauty of nature, but also effectively reduce the noisy sounds in urban life. Light Sleep is not only a powerful application, but also an advocate of a healthy lifestyle. It encourages users to maintain physical and mental balance and health in busy work and life, and at the same time promotes the good development of society. #Suitable for the following people# - Urban people who have poor sleep and suffer from insomnia - Procrastinators who are often distracted and unable to concentrate - Creative people in noisy environments with frequent interruptions - High-pressure people with long-term anxiety and exhaustion - People who want to focus on work or study - People who like to meditate or want to try meditation - People who are easily affected by environmental noise during sleep - Students with high exam and academic pressure - People who want to improve sleep quality This app contains a variety of well-crafted white noises, each of which has been professionally recorded and tested, and its effectiveness has been verified through human experiments. Here are some descriptions of the sounds: - raindrops on the windows The sound of rainy days can always make people feel warm and cozy. Light Sleep has built-in white noise that simulates raindrops hitting the window, allowing users to enjoy the gift of nature as if they are in the situation of continuous spring rain and autumn rain. - Fantasy Piano Song Piano music is a beautiful form of music that can arouse people's deepest emotions. Light Sleep has built-in many dreamy piano songs, ranging from pure timbre, soft tone, to beautiful melody, allowing users to immerse themselves in music, relax and release stress. - birds chirping The chirping of birds is one of nature's most beautiful and peaceful sounds. Light Sleep has built-in a variety of different kinds of bird sounds, such as cuckoo, nightingale, etc., to bring users a cool and comfortable experience, allowing users to forget their busy lives. - The sound of crashing waves The sound of waves crashing on the shore is a sound that can bring pleasant experience to hearing, vision and body. Light Sleep has a variety of built-in white noises of waves crashing on the shore, and you can hear the sound of waves crashing on the reef from a distance, as if you are in the sea, enjoying the embrace and tranquility of the sea. - Firefly lights Fireflies are magical creatures in nature. They shine beautifully at night and leave people with beautiful memories. Light Sleep has a built-in lighting effect that simulates fireflies, allowing users to feel the faint light in the dark, as if they are on the grassland and enjoying the beauty of nature. - In addition to the above-mentioned sounds, Light Sleep also contains various other white noises, such as wind blowing leaves, river flowing, bonfire burning and so on. These sounds can not only eliminate the noisy sounds in the city, but also provide a comfortable and peaceful environment to help users relax and fall into a deeper sleep state.

Screenshots

Hotmoon4 screens
Light Sleep4 screens

Verdict

The call

The clearest difference is review sentiment: Light Sleep at 83% against Hotmoon's 23%. Light Sleep also leads on rating (4.7 vs 3.2) and update cadence (every 3 days vs fortnightly). Hotmoon's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, 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

Both are free to download. Hotmoon sells 2 in-app purchases, starting at $4.99 per month and Light Sleep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Light Sleep holds the better App Store score, 4.7 against 3.2. Both are backed by a comparable volume of ratings — 42 and 46 respectively. Written reviews point the same way: 23% of Hotmoon's written reviews are positive against 83% of Light Sleep's.

UpkeepUpdate frequency

Hotmoon ships an update fortnightly, Light Sleep every 3 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
Hotmoon versus Light Sleep: the parameters behind the verdict, then further details
ParameterHotmoonLight Sleep
PriceFreeFree
Rating3.2 (42 ratings)4.7 (46 ratings) — better
Positive reviews23.1% of reviews82.6% of reviews — better
Number of ratings4246 — better
Update frequencyFortnightlyEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better17.0
Further details — not scored
Size49 MB93 MB
Age rating4+4+
DeveloperUstellar Technology Inc.亚杰 刘

Customer experience

Hotmoon

All ratings41 ratings
Positive48.8%
Neutral17.1%
Negative34.1%
Written reviews26 reviews
Positive23.1%
Neutral19.2%
Negative57.7%

Light Sleep

All ratings44 ratings
Positive95.5%
Neutral0.0%
Negative4.5%
Written reviews23 reviews
Positive82.6%
Neutral8.7%
Negative8.7%

In-app purchases

2 purchases

Hotmoon

Subscriptions2
  • Continuous Monthly VIP$4.991 Month
  • Continuous Year VIP7 Days trial$49.991 Year
1 purchases

Light Sleep

One-time1
  • Unlock all sounds$0.99

Questions

Is Hotmoon free?
Hotmoon is free to download, with in-app purchases available.
Is Light Sleep free?
Light Sleep is free to download, with in-app purchases available.
Which has better reviews, Hotmoon or Light Sleep?
Light Sleep is rated higher. Hotmoon averages 3.2 out of 5 from 42 ratings, while Light Sleep averages 4.7 from 46 ratings.
Do Hotmoon or Light Sleep have ads?
Light Sleep shows ads; Hotmoon does not.
Which is updated more often, Hotmoon or Light Sleep?
Hotmoon ships an update fortnightly, and Light Sleep every 3 days. Most recently, Hotmoon was updated on November 3, 2026 and Light Sleep on November 7, 2026.

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