Comparison

Rainlayer vs Caffeine Sleep Planner

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

Head to head
About

Rainlayer

Experience lifelike 3D rain recordings for enhanced sleep, focus, and relaxation. This app offers a premium audio sanctuary with genuine nature sounds to help you unwind, block distractions, and achieve mental stillness.

Highlights
  • Genuine 3D rain recordings
  • Taptanium™-certified audio
  • Seamless soundscape transitions
  • Infinite play for uninterrupted calm
  • Sleep timer
  • Headphone-optimized 3D sound
Read full description

By Franz Bruckhoff, creator of Thunderspace, Windy & Co., trusted by millions for superior experiences Immerse yourself in lifelike rain audio like never before. Rainlayer's genuine 3D rain recordings and cutting-edge technology create an instant escape from daily noise, delivering a premium audio sanctuary wherever you are. And now, in every room of your home. KEY BENEFITS Sleep & Relaxation • Fall asleep faster and transform restless nights into a more peaceful nighttime atmosphere • Immersive high-quality rain audio for headphones • Unwind with gentle rain that helps you feel more at ease Focus & Productivity • Cut through mental noise, clear your mind, make smarter decisions • Stay in the zone with distraction-free ambient rain • Create your ideal focus environment, anytime, anywhere • Block distractions and sharpen your focus Mental Reset & Mindfulness • Escape the noise and settle into mindful stillness with truly natural sound • Reset your mind after back-to-back meetings • Replace unwanted habits with calming, soothing sounds of rain • Reduce distractions and create a sense of mental stillness • Reboot quickly and boost your performance KEY FEATURES • Genuine 3D rain recordings from real-life nature: AI-free, never synthetic • Noise Scan: Rainlayer analyzes the noise around you and plays the rain that masks it best • Noise Shape Mixer: Blend white, pink or brown noise into the rain to mask even more of the world around you • Taptanium™-certified audio, mastered to perfection • Rain Journey: Program a path through the rainy landscape and listen to a journey • Seamless Exploration: Intuitive mixing with smooth, natural transitions between soundscapes • Infinite Play: Loop your favorite rainscape endlessly for uninterrupted calm, sleep or work • Sleep Timer: Gently fade out to ease into peaceful sleep or end your session • Timer-End Gong: Choose a gentle tone to close out your timer • AirPlay 2: Stream rain to every room in your home • Lock Screen Controls: Manage your soundscape without unlocking your phone • Night Tint: Shift Rainlayer to a warm orange glow for evening sessions • Low Power Mode: Rainlayer rests its 3D landscape to save energy, and the rain plays on • Headphone-Optimized: Deep, immersive 3D sound for noise masking and tranquility • Cutting-edge technology & excellence by Taptanium™ Research Get Rainlayer now and discover how genuine world-class rain audio can transform your sleep, focus, and productivity. Terms of Service: https://taptanium.com/tos

About

Caffeine Sleep Planner

This app helps you track your caffeine intake and estimate when its effects will wear off. It provides a visual 24-hour decay chart and allows for custom entries. Widgets offer quick access to your current caffeine estimate.

Highlights
  • Log caffeine drinks
  • Estimate caffeine decay
  • Custom caffeine amounts
  • 24-hour decay chart
  • Home and Lock Screen widgets
  • On-device data storage
Features
Read full description

Caffeine Sleep Planner helps you log drinks and estimate when active caffeine may fall below your personal threshold. Quickly add common drinks, enter custom caffeine amounts, adjust half-life assumptions, and see a 24-hour decay chart. Home Screen and Lock Screen widgets keep your current estimate close by. Everything stays on device: no account, no server, no analytics, and no tracking. The optional tip jar uses Apple's StoreKit and does not unlock app functionality.

Screenshots

Rainlayer4 screens
Caffeine Sleep Planner4 screens

Verdict

The call

The clearest difference is review sentiment: Caffeine Sleep Planner at 100% against Rainlayer's 33%. Rainlayer's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases 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. Rainlayer sells 3 in-app purchases, starting at $5.99 per month and Caffeine Sleep Planner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Rainlayer ships an update every 10 days, Caffeine Sleep Planner every 3 weeks. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
Rainlayer versus Caffeine Sleep Planner: the parameters behind the verdict, then further details
ParameterRainlayerCaffeine Sleep Planner
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size49 MB2 MB
Age rating4+4+
DeveloperFranz BruckhoffDustin Ober

Customer experience

Rainlayer

Written reviews27 reviews
Positive33.3%
Neutral7.4%
Negative59.3%

Caffeine Sleep Planner

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Rainlayer

Subscriptions3
  • Premium (1 Month)2 variants$5.991 Month
  • Premium (1 Year)7 Days trial$39.991 Year
  • Premium (1 Year)2 variants$59.991 Year
1 purchases

Caffeine Sleep Planner

One-time1
  • Tip the Dev$0.99

Questions

Is Rainlayer free?
Rainlayer is free to download, with in-app purchases available.
Is Caffeine Sleep Planner free?
Caffeine Sleep Planner is free to download, with in-app purchases available.
Do Rainlayer or Caffeine Sleep Planner have ads?
Neither Rainlayer nor Caffeine Sleep Planner shows ads.
Which is updated more often, Rainlayer or Caffeine Sleep Planner?
Rainlayer ships an update every 10 days, and Caffeine Sleep Planner every 3 weeks. Most recently, Rainlayer was updated on October 1, 2026 and Caffeine Sleep Planner on October 8, 2026.

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