# Cross Word ZERO vs Simple Puzzle 9×9

The clearest difference is iOS requirement: Cross Word ZERO at 13.0 against Simple Puzzle 9×9's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Cross Word ZERO ships an update fortnightly, Simple Puzzle 9×9 every 2 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cross Word ZERO | Simple Puzzle 9×9 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with ads | — |
| Size | 158 MB | 9 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [RELEASE BASE, K.K.](https://appshunter.io/developer/1380525668) | [AKIRA SASAKI](https://appshunter.io/developer/1831157554) |

## What reviewers say

### Cross Word ZERO

[App page](https://appshunter.io/ios/app/cross-word-zero/id1176001478)

This free crossword puzzle app is perfect for studying Japanese. It offers helpful features like automatic input focus, error highlighting in red, and automatic saving to enhance your puzzle-solving experience.

**Highlights:** Free crossword puzzles, Ideal for Japanese study, Automatic input focus, Mistakes displayed in red, Automatic save function

**In-app purchases:** none


### Simple Puzzle 9×9

[App page](https://appshunter.io/ios/app/simple-puzzle-99/id6752530568)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cross Word ZERO free?

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

### Is Simple Puzzle 9×9 free?

Simple Puzzle 9×9 is free to download, with no in-app purchases.

### Do Cross Word ZERO or Simple Puzzle 9×9 have ads?

Both Cross Word ZERO and Simple Puzzle 9×9 show ads.

### Which is updated more often, Cross Word ZERO or Simple Puzzle 9×9?

Cross Word ZERO ships an update fortnightly, and Simple Puzzle 9×9 every 2 weeks. Most recently, Cross Word ZERO was updated on October 29, 2026 and Simple Puzzle 9×9 on October 25, 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.*