Comparison

Natural Sleep Aid vs Polylog

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

Head to head
About

Natural Sleep Aid

This app offers music remedies designed to help users relax and fall asleep. It features seven high-quality, sleep-inducing songs with a captivating graphic interface. The basic version is free, with optional in-app purchases for additional sounds and a sleep timer.

Highlights
  • 7 high-quality sleep songs
  • Captivating graphic interface
  • Relaxing background visuals
  • Optional sound packs
  • Adjustable sleep timer
  • Suitable for baby sleep
Features
Read full description

Fall asleep faster with relaxing sleep music, nature sounds and white noise. Natural Sleep Aid is your complete toolkit for deep, restful sleep, with a gentle sleep timer that fades everything out as you drift away. Struggling with insomnia, stress or restless nights? Create your perfect bedtime soundscape and wake up refreshed. SLEEP MUSIC Seven exclusive sleep tracks, composed specifically to slow your mind down and prepare your body for rest. Play them all night or set a timer. SLEEP TIMER UP TO 24 HOURS Set it and forget it. Perfect for a 20-minute power nap or a full night of continuous sound. MIX YOUR SOUNDSCAPE Blend up to 20 ambient sounds with independent volume controls: rain sounds, thunderstorm, ocean waves, flowing river, crickets, fireplace, wind, heartbeat, white noise, pink noise, brown noise and more. Layer them over the music or play them alone. RELAX RADIO 24/7 A live stream of calming music, running around the clock. Press play and unwind: always fresh, always soothing. SOOTHING VIDEOS Fullscreen relaxing videos to calm your eyes as well as your ears. Swipe to change the scenery. A CALMING EXPERIENCE The app itself is designed for bedtime: a home screen that changes with the time of day, soft animations and a night-friendly interface. Great for adults, kids and baby sleep: just press play and let it run through the night. FREE & PREMIUM The free version includes sleep tracks, timer and more. Upgrade to Premium (monthly or yearly subscription) to unlock the full sounds library, extended timer, Relax Radio, videos and an ad-free experience. Cancel anytime from your App Store account settings. Sleep better tonight. Download Natural Sleep Aid and start your journey to deeper, more natural rest. Questions or suggestions? Reach us at info@equilibriumapps.app Developed in cooperation with Meditation Relax Club Terms of Service: https://equilibriumapps.app/terms-of-service/ Privacy Policy: https://equilibriumapps.app/privacy-policy/

About

Polylog

This app offers a digital journaling experience, allowing users to express themselves through text, images, and decorative elements. It fosters a community where users can share entries and find inspiration from others.

Highlights
  • Versatile text editor
  • Add images, stickers, and decorations
  • Extensive content library
  • Virtual store for customization
  • Engage with a global community
  • Comment on diary entries
Features
Read full description

Get ready to unleash your creativity with Polylog, the ultimate online diary app that takes journaling to a whole new level! Combine the timeless charm of diary writing with the modern world of digital creativity, and explore endless possibilities to personalize your daily entries with a fun, engaging twist. Join the Polylog community today and embark on an enchanting journey of self-expression and creativity. Whether you're a seasoned journaling enthusiast or a beginner looking to dip your toes into the world of digital diaries, Polylog offers an unparalleled experience that's perfect for you. Download now, and start writing your story! #What you can do with Polylog. - Express Yourself: Let your imagination run wild with Polylog's versatile text editor. Create captivating stories, jot down your daily thoughts, or share your fondest memories with ease. - Visual Storytelling: Add life to your entries with a wide array of images, stickers, and decorations. Personalize your diary with vibrant visuals and make it truly one-of-a-kind. - Extensive Content Library: Explore our vast virtual store, filled with a plethora of stickers, sticky note, frame and decorative elements. Customize your diary to your heart's content, and make it as unique as you are. - Engage with Others: Connect with fellow Polylog users, comment on their diary entries, and find inspiration from a global community of creative individuals. Share your thoughts, and learn from the experiences of others.

Screenshots

Natural Sleep Aid4 screens
Polylog4 screens

Verdict

The call

The clearest difference is review sentiment: Natural Sleep Aid at 75% against Polylog's 0%. Natural Sleep Aid also leads on rating (3.4 vs 2.0) and ratings volume (5 vs 1). Polylog's advantage is update cadence (fortnightly vs every 27 months) and iOS requirement (11.0 vs 17.6). On price, ads, in-app purchases and monetization model 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. Natural Sleep Aid sells 4 in-app purchases, starting at $1.99 per month and Polylog sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Natural Sleep Aid holds the better App Store score, 3.4 against 2.0. That said, the two scores are not equally well evidenced: Natural Sleep Aid has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Natural Sleep Aid's written reviews are positive against 0% of Polylog's.

UpkeepUpdate frequency

Natural Sleep Aid ships an update every 27 months, Polylog fortnightly. The most recent releases landed on September 29, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
Natural Sleep Aid versus Polylog: the parameters behind the verdict, then further details
ParameterNatural Sleep AidPolylog
PriceFreeFree
Rating3.4 (5 ratings) — better2.0 (1 ratings)
Positive reviews75.0% of reviews — better0.0% of reviews
Number of ratings5 — better1
Update frequencyEvery 27 monthsFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.611.0 — better
Further details — not scored
Size127 MB50 MB
Age rating4+12+
DeveloperEquilibrium SrlThakornkrid Thanatharapokin

Customer experience

Natural Sleep Aid

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Polylog

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

4 purchases

Natural Sleep Aid

Subscriptions2
  • Sleep Monthly$1.991 Month
  • Sleep Yearly$17.991 Year
One-time2
  • Relaxing Sounds Pack$1.99
  • Sleep Timer$1.99
10 purchases

Polylog

One-time10
  • 30 PolyCoins$0.99
  • 100 PolyCoins$2.99
  • 225 PolyCoins$5.99
Show 7 more
  • 525 PolyCoins$13.99
  • 844 PolyCoins$21.99
  • 1070 Polycoins$26.99
  • 1500 PolyCoins$38.99
  • 1850 PolyCoins$46.99
  • 2300 PolyCoins$54.99
  • 3000 PolyCoins$69.99

Questions

Is Natural Sleep Aid free?
Natural Sleep Aid is free to download, with in-app purchases available.
Is Polylog free?
Polylog is free to download, with in-app purchases available.
Which has better reviews, Natural Sleep Aid or Polylog?
Natural Sleep Aid is rated higher. Natural Sleep Aid averages 3.4 out of 5 from 5 ratings, while Polylog averages 2.0 from 1 ratings.
Do Natural Sleep Aid or Polylog have ads?
Both Natural Sleep Aid and Polylog show ads.
Which is updated more often, Natural Sleep Aid or Polylog?
Natural Sleep Aid ships an update every 27 months, and Polylog fortnightly. Most recently, Natural Sleep Aid was updated on September 29, 2026 and Polylog on September 10, 2026.

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