Comparison

Sunae vs Rainy Relax 4K

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

Head to head
About

Sunae

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Official application to be use with SUNAE table. The SUNAE coffee table perfectly combines ancestral Japanese art and design. This compendium of technology will create ephemeral works in the sand. Much more than a simple object, the SUNAE coffee table will cause deep inner satisfaction, a feeling of relaxation and calm close to relaxation. It is an authentic invitation to meditation, a real anti-stress around which you will enjoy sharing a drink with friends.

About

Rainy Relax 4K

Features
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Rainy Relax 4K More than 30 different rains and storms Relax your eyes with this fantastic Rainy Relax 4K! Do you want to put rain and storms in your house? Or maybe set it as a wallpaper for your phone, iPad or Apple TV? Now with Rainy Relax 4K it is possible. Download this application and enjoy with your partner or friends the relaxing images in 4K or HD of rainy days for Apple TV, iPhone or iPad. Main features: Playback • 4K and HD videos • Endless loop playback • Shuffle mode • Background playback while using other apps • Sleep timer: video automatically stops when you fall asleep • Playback speed (0.25x to 2x) Large Screen • Compatible with Apple TV via AirPlay • Compatible with Chromecast for HD viewing on your TV Customization • 5 visual effects: snow, powder snow, rain, sparkles, and confetti • 4 display layouts: list, grid, single circle, or double circle • Bookmark your favorite videos for quick access • Dark mode support • Clock: display the clock on screen (digital/analog) • Appointments: display text on screen • Calendar: display upcoming calendar events Content • Over 30 different content options • New content added regularly Privacy Policy: http://kissappsl.com/pages/privacy-policy/ Terms of Use (EULA): http://kissappsl.com/terms-of-use/

Screenshots

Sunae4 screens
Rainy Relax 4K3 screens

Verdict

The call

The clearest difference is price: Sunae at Free against Rainy Relax 4K's $0.99. Sunae also leads on in-app purchases (none vs 2). On update cadence, ads, 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

Sunae is free to download; Rainy Relax 4K costs $0.99 up front. Rainy Relax 4K sells 2 in-app purchases, starting at $0.99 per month. Sunae asks for nothing beyond the download.

UpkeepUpdate frequency

Sunae ships an update every 2 months, Rainy Relax 4K every 3 months. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

Scorecard2 real differences · 4 level
Sunae versus Rainy Relax 4K: the parameters behind the verdict, then further details
ParameterSunaeRainy Relax 4K
PriceFree — better$0.99
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple TV — better
Requires iOS15.615.0 — better
Further details — not scored
Size34 MB59 MB
Age rating4+4+
DeveloperVincent Marc BraillardKISSAPP, S.L.

In-app purchases

None

Sunae

No in-app purchases

2 purchases

Rainy Relax 4K

Subscriptions2
  • Rainy Relax Full Version$0.991 Month
  • Rainy Relax Full Version$9.991 Year

Questions

Is Sunae free?
Sunae is free to download, with no in-app purchases.
Is Rainy Relax 4K free?
Rainy Relax 4K costs $0.99, and also offers in-app purchases.
Do Sunae or Rainy Relax 4K have ads?
Neither Sunae nor Rainy Relax 4K shows ads.
Which is updated more often, Sunae or Rainy Relax 4K?
Sunae ships an update every 2 months, and Rainy Relax 4K every 3 months. Most recently, Sunae was updated on November 7, 2026 and Rainy Relax 4K on November 12, 2026.

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