# iRevolution vs Koikoi

The clearest difference is review sentiment: iRevolution at 100% against Koikoi's 20%. iRevolution also leads on rating (4.0 vs 3.4) and update cadence (every 3 months vs every 7 months). Koikoi's advantage is chart position (#99 vs unranked). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

iRevolution costs $0.99 and Koikoi $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iRevolution holds the better App Store score, 4.0 against 3.4. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 100% of iRevolution's written reviews are positive against 20% of Koikoi's.

iRevolution ships an update every 3 months, Koikoi every 7 months. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | iRevolution | Koikoi |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/irevolution/id322644836/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/koikoi/id618834958/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#99** |
| Size | 5 MB | 9 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RUCKYGAMES CO., LTD.](https://appshunter.io/developer/315948909) | [Kouichi Hayashi](https://appshunter.io/developer/1809037541) |

## What reviewers say

### iRevolution

[App page](https://appshunter.io/ios/app/irevolution/id322644836)

A digital card game popular in Japan, known as "Multi millionaire." This game offers a strategic experience that can be beneficial for individuals seeking mental stimulation. It features GameCenter integration for competitive play.

**Highlights:** Digital card game, Popular in Japan, GameCenter integration, Strategic gameplay, Suitable for anxious individuals

**Features:** Vision Pro support

**In-app purchases:** none


### Koikoi

[App page](https://appshunter.io/ios/app/koikoi/id618834958)

**Currently charting:** #99 Top Paid · Casino (US App Store)

Experience the traditional Japanese card game of Hanafuda. Match cards to collect sets and score points over a series of rounds. The player with the highest total score after 12 games wins.

**Highlights:** Hanafuda card game, Match cards to collect sets, Score points, 12-game rounds, Automatic game record saving

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iRevolution free?

iRevolution costs $0.99, with no in-app purchases.

### Is Koikoi free?

Koikoi costs $1.99, with no in-app purchases.

### Which has better reviews, iRevolution or Koikoi?

iRevolution is rated higher. iRevolution averages 4.0 out of 5 from 4 ratings, while Koikoi averages 3.4 from 5 ratings.

### Do iRevolution or Koikoi have ads?

Neither iRevolution nor Koikoi shows ads.

### Which is updated more often, iRevolution or Koikoi?

iRevolution ships an update every 3 months, and Koikoi every 7 months. Most recently, iRevolution was updated on October 8, 2026 and Koikoi on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*