# Simple Checkmate vs Valkyrie Nexus

The clearest difference is in-app purchases: Simple Checkmate at none against Valkyrie Nexus's 6. Simple Checkmate also leads on iOS requirement (12.0 vs 15.0). Valkyrie Nexus's advantage is update cadence (every 2 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Valkyrie Nexus sells 6 one-off in-app purchases. Simple Checkmate asks for nothing beyond the download.

Simple Checkmate ships an update every 2 weeks, Valkyrie Nexus every 2 days. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Simple Checkmate | Valkyrie Nexus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 117 MB | 359 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TechQiao Inc.](https://appshunter.io/developer/1594308257) | [Just Idea](https://appshunter.io/developer/1589067656) |

## What reviewers say

### Simple Checkmate

[App page](https://appshunter.io/ios/app/simple-checkmate/id6738383817)

**In-app purchases:** none


### Valkyrie Nexus

[App page](https://appshunter.io/ios/app/valkyrie-nexus/id6787690600)

A single-player card battle RPG where you can meticulously plan your strategies without time pressure. Build your ideal deck and experience the thrill of turning the tide of battle with the "OVER DRIVE" system.

**Highlights:** Single-player card battle RPG, No time limits for strategic planning, "OVER DRIVE" system for comebacks, Deck building with unit combinations, Focus on strategic depth

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ダイヤパック〈お試し〉 | $0.99 | one-time |
| 初回限定スターターパック | $0.99 | one-time |
| ダイヤパック〈おすすめ〉 | $2.99 | one-time |
| ダイヤパック〈お得〉 | $5.99 | one-time |
| ネクサスパス（30日間） | $5.99 | one-time |
| ダイヤパック〈特大〉 | $19.99 | one-time |


## Frequently asked questions

### Is Simple Checkmate free?

Simple Checkmate is free to download, with no in-app purchases.

### Is Valkyrie Nexus free?

Valkyrie Nexus is free to download, with in-app purchases available.

### Do Simple Checkmate or Valkyrie Nexus have ads?

Both Simple Checkmate and Valkyrie Nexus show ads.

### Which is updated more often, Simple Checkmate or Valkyrie Nexus?

Simple Checkmate ships an update every 2 weeks, and Valkyrie Nexus every 2 days. Most recently, Simple Checkmate was updated on October 18, 2026 and Valkyrie Nexus on October 22, 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.*