Comparison

RouletteBox vs ハッピーカード

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

Head to head
About

RouletteBox

This app provides a simple roulette wheel for decision-making and random selection. Easily input your options, save and load custom lists, and spin the wheel to get a random result for games or everyday choices.

Highlights
  • Customizable roulette wheel
  • Save and load data
  • Random result generation
  • Game and decision support
  • Simple user interface
Features
Read full description

It's a simple RouletteBox app. Please use it for rice, game ordering, etc. === How to use === ① Click the edit button ② Enter the data and click the OK button ③ Click the pull button to start RouletteBox! About data ・ You can save the entered data by pressing the save button on the edit screen. ・ You can load the saved data from the load button on the edit screen. Please take self-responsibility for the result of RouletteBox.

About

ハッピーカード

Features
Read full description

ハッピーカード (Happy Card) is a stamp card made for two - for couples, and for parents and children. Use it as a chore chart for your kids, or for something a little more unusual, like an "I took my bath" card! [Three simple steps to start] 1. Create a card 2. Scan the QR code 3. Accept the request

Screenshots

RouletteBox3 screens
ハッピーカード3 screens

Verdict

The call

The clearest difference is ads: ハッピーカード at none against RouletteBox's shown. ハッピーカード also leads on update cadence (every 5 days vs every 6 months). RouletteBox's advantage is iOS requirement (12.0 vs 15.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RouletteBox ships an update every 6 months, ハッピーカード every 5 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
RouletteBox versus ハッピーカード: the parameters behind the verdict, then further details
ParameterRouletteBoxハッピーカード
PriceFreeFree
Rating4.3 (3 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 6 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size58 MB43 MB
Age rating4+4+
DeveloperMizuho SakakibaraStudio Benjamin Inc.

In-app purchases

None

RouletteBox

No in-app purchases

None

ハッピーカード

No in-app purchases

Questions

Is RouletteBox free?
RouletteBox is free to download, with no in-app purchases.
Is ハッピーカード free?
ハッピーカード is free to download, with no in-app purchases.
Do RouletteBox or ハッピーカード have ads?
RouletteBox shows ads; ハッピーカード does not.
Which is updated more often, RouletteBox or ハッピーカード?
RouletteBox ships an update every 6 months, and ハッピーカード every 5 days. Most recently, RouletteBox was updated on November 3, 2026 and ハッピーカード on November 7, 2026.

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