Comparison

Amida 2 vs RouletteBox

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

Head to head
About

Amida 2

This app provides a digital version of the traditional Japanese lottery game, Amidakuji. It allows users to set up lotteries with 2 to 100 participants, automatically generating the crossing lines. Results can be viewed as an animation or a simple list.

Highlights
  • Amidakuji lottery game
  • Supports 2-100 participants
  • Automatic horizontal line generation
  • Add lines later
  • Animated or list results
Features
Read full description

Simple Amida Kuji. Amidakuji is a method of lottery.This App supports from 2 to 100 number of lines. Horizontal lines are automatically generated. Lines can be added later. Results are displayed as animation or as list.

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.

Screenshots

Amida 23 screens
RouletteBox3 screens

Verdict

The call

The clearest difference is review sentiment: Amida 2 at 67% against RouletteBox's 50%. RouletteBox's advantage is update cadence (every 6 months vs every 17 months). On price, ads, in-app purchases and monetization model 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

Amida 2 ships an update every 17 months, RouletteBox every 6 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
Amida 2 versus RouletteBox: the parameters behind the verdict, then further details
ParameterAmida 2RouletteBox
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews66.7% of reviews — better50.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 17 monthsEvery 6 months — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.012.0 — better
Further details — not scored
Size4 MB58 MB
Age rating4+4+
DeveloperHIDEHIKO NAGANOMizuho Sakakibara

Customer experience

Amida 2

Written reviews33 reviews
Positive66.7%
Neutral12.1%
Negative21.2%

RouletteBox

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews14 reviews
Positive50.0%
Neutral7.1%
Negative42.9%

In-app purchases

None

Amida 2

No in-app purchases

None

RouletteBox

No in-app purchases

Questions

Is Amida 2 free?
Amida 2 is free to download, with no in-app purchases.
Is RouletteBox free?
RouletteBox is free to download, with no in-app purchases.
Do Amida 2 or RouletteBox have ads?
Both Amida 2 and RouletteBox show ads.
Which is updated more often, Amida 2 or RouletteBox?
Amida 2 ships an update every 17 months, and RouletteBox every 6 months. Most recently, Amida 2 was updated on October 7, 2026 and RouletteBox on October 2, 2026.

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