Comparison

RainMaker 4 vs Sudokuki

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

Head to head
About

RainMaker 4

Create personalized soundscapes with realistic rain and nature sounds for relaxation, focus, and meditation. Design your ideal weather experience anytime, anywhere.

Highlights
  • Realistic rain sounds
  • Nature soundscapes
  • Customizable sound mixing
  • Relaxation aid
  • Focus enhancement
  • Meditation tool
Features
Read full description

“Relax, focus, and meditate with realistic rain and nature sounds. Build your perfect storm anywhere, anytime!”

About

Sudokuki

Features
Read full description

Get ready to test your logical thinking with the ultimate classic Sudoku experience! Whether you are a beginner learning the ropes or an advanced player seeking a true brain workout, this game delivers endless fun. Our app features beautifully designed grids and intuitive controls that make placing numbers completely effortless. Track your progress, utilize helpful hints when stuck, and take handy notes just like on real paper. Sudoku is the perfect way to relax after a long day or keep your mind sharp during a quick break. With multiple difficulty levels, from easy boards to expert challenges that demand intense focus, there is always a puzzle waiting for you. Immerse yourself in clean graphics, enjoy customizable settings, and experience smooth gameplay without any distractions. Challenge yourself to beat your best time, minimize mistakes, and become a true master of numbers. Download today and start filling in those empty cells. Keep your brain active, have fun, and never stop solving these captivating logic puzzles every single day right now, my friend!

Screenshots

RainMaker 43 screens
Sudokuki4 screens

Verdict

The call

The clearest difference is in-app purchases: Sudokuki at none against RainMaker 4's 7. Sudokuki also leads on iOS requirement (12.0 vs 18.0). RainMaker 4's advantage is ads (none vs shown) and update cadence (every 8 days vs every 3 months). On price 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. RainMaker 4 sells 7 one-off in-app purchases. Sudokuki asks for nothing beyond the download.

UpkeepUpdate frequency

RainMaker 4 ships an update every 8 days, Sudokuki every 3 months. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
RainMaker 4 versus Sudokuki: the parameters behind the verdict, then further details
ParameterRainMaker 4Sudokuki
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 8 days — betterEvery 3 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.012.0 — better
Further details — not scored
Size7 MB50 MB
Age rating4+4+
DeveloperTrevor PhillipsMuslum Ucar

In-app purchases

7 purchases

RainMaker 4

One-time7
  • LightningStrikes$0.99
  • rainforest$0.99
  • rainOnMetal$0.99
Show 4 more
  • thunderstorm$0.99
  • rivers$0.99
  • waterfalls$0.99
  • continuousRainMode$4.99
None

Sudokuki

No in-app purchases

Questions

Is RainMaker 4 free?
RainMaker 4 is free to download, with in-app purchases available.
Is Sudokuki free?
Sudokuki is free to download, with no in-app purchases.
Do RainMaker 4 or Sudokuki have ads?
Sudokuki shows ads; RainMaker 4 does not.
Which is updated more often, RainMaker 4 or Sudokuki?
RainMaker 4 ships an update every 8 days, and Sudokuki every 3 months. Most recently, RainMaker 4 was updated on September 29, 2026 and Sudokuki on September 23, 2026.

Other comparisons