# Solitaire ZERO vs こいこい真剣勝負！

The clearest difference is update cadence: こいこい真剣勝負！ at every 4 months against Solitaire ZERO's every 14 months. Solitaire ZERO's advantage is iOS requirement (7.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Solitaire ZERO ships an update every 14 months, こいこい真剣勝負！ every 4 months. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Solitaire ZERO | こいこい真剣勝負！ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 28 MB | 111 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RELEASE BASE, K.K.](https://appshunter.io/developer/1380525668) | [TOKEN CORPORATION](https://appshunter.io/developer/485632644) |

## What reviewers say

### Solitaire ZERO

[App page](https://appshunter.io/ios/app/solitaire-zero/id1154450150)

Experience a classic card game with a focus on speed and global competition. This app offers an intuitive one-handed operation for seamless gameplay. Challenge yourself and players worldwide to achieve the best clear times.

**Highlights:** Classic solitaire gameplay, Global time trial leaderboards, One-hand easy operation, Compete with worldwide users

**Features:** macOS Compatibility

**In-app purchases:** none


### こいこい真剣勝負！

[App page](https://appshunter.io/ios/app/id1255097981)

**In-app purchases:** none


## Frequently asked questions

### Is Solitaire ZERO free?

Solitaire ZERO is free to download, with no in-app purchases.

### Is こいこい真剣勝負！ free?

こいこい真剣勝負！ is free to download, with no in-app purchases.

### Do Solitaire ZERO or こいこい真剣勝負！ have ads?

Neither Solitaire ZERO nor こいこい真剣勝負！ shows ads.

### Which is updated more often, Solitaire ZERO or こいこい真剣勝負！?

Solitaire ZERO ships an update every 14 months, and こいこい真剣勝負！ every 4 months. Most recently, Solitaire ZERO was updated on October 14, 2026 and こいこい真剣勝負！ 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.*