# 覚えよう百人一首 vs 百人一首

The clearest difference is in-app purchases: 百人一首 at none against 覚えよう百人一首's 1. 百人一首 also leads on ads (none vs shown) and update cadence (every 4 days vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 覚えよう百人一首 sells 1 one-off in-app purchase. 百人一首 asks for nothing beyond the download.

覚えよう百人一首 ships an update every 4 months, 百人一首 every 4 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 覚えよう百人一首 | 百人一首 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 47 MB | 35 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Koji Murata](https://appshunter.io/developer/875202476) | [Kenichi Nakagawa](https://appshunter.io/developer/1831663034) |

## What reviewers say

### 覚えよう百人一首

[App page](https://appshunter.io/ios/app/id6761998472)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の削除 | $1.99 | one-time |


### 百人一首

[App page](https://appshunter.io/ios/app/id6768315613)

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

**In-app purchases:** none


## Frequently asked questions

### Is 覚えよう百人一首 free?

覚えよう百人一首 is free to download, with in-app purchases available.

### Is 百人一首 free?

百人一首 is free to download, with no in-app purchases.

### Do 覚えよう百人一首 or 百人一首 have ads?

覚えよう百人一首 shows ads; 百人一首 does not.

### Which is updated more often, 覚えよう百人一首 or 百人一首?

覚えよう百人一首 ships an update every 4 months, and 百人一首 every 4 days. Most recently, 覚えよう百人一首 was updated on October 31, 2026 and 百人一首 on November 5, 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.*