Sudoku for Dad vs RainMaker 4
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku for Dad
A classic Sudoku experience designed for a calm and enjoyable gameplay. Enjoy a clean interface without intrusive advertisements.
- Classic Sudoku gameplay
- Calm and clean interface
- Ad-free experience
- Designed for enjoyment
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I built this game for my dad, Wayne. He loves Sudoku, and I first got the idea after seeing him play on a clunky app full of ads. I wanted to give him something better, so I built this app with his guidance. Along the way, I've actually started to enjoy Sudoku myself
RainMaker 4
Create personalized soundscapes with realistic rain and nature sounds for relaxation, focus, and meditation. Design your ideal weather experience anytime, anywhere.
- Realistic rain sounds
- Nature soundscapes
- Customizable sound mixing
- Relaxation aid
- Focus enhancement
- Meditation tool
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“Relax, focus, and meditate with realistic rain and nature sounds. Build your perfect storm anywhere, anytime!”
Screenshots
Verdict
The clearest difference is in-app purchases: Sudoku for Dad at none against RainMaker 4's 7. On price, rating, ratings volume and update cadence 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
Both are free to download. RainMaker 4 sells 7 one-off in-app purchases. Sudoku for Dad asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Sudoku for Dad against 5.0 for RainMaker 4. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
Sudoku for Dad ships an update every 9 days, RainMaker 4 every 8 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | Sudoku for Dad | RainMaker 4 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Every 9 days | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 13 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert Byrne | Trevor Phillips |
Customer experience
Sudoku for Dad
RainMaker 4
In-app purchases
Sudoku for Dad
No in-app purchases
RainMaker 4
- LightningStrikes$0.99
- rainforest$0.99
- rainOnMetal$0.99
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- thunderstorm$0.99
- rivers$0.99
- waterfalls$0.99
- continuousRainMode$4.99
Questions
Is Sudoku for Dad free?
Is RainMaker 4 free?
Which has better reviews, Sudoku for Dad or RainMaker 4?
Do Sudoku for Dad or RainMaker 4 have ads?
Which is updated more often, Sudoku for Dad or RainMaker 4?
Other comparisons
