# Card Hand Probability vs HPCG memo

The clearest difference is in-app purchases: HPCG memo at none against Card Hand Probability's 2. HPCG memo also leads on update cadence (every 2 days vs every 9 days). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Card Hand Probability sells 2 one-off in-app purchases. HPCG memo asks for nothing beyond the download.

Card Hand Probability ships an update every 9 days, HPCG memo every 2 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Card Hand Probability | HPCG memo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 108 MB | 48 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takeru Ito](https://appshunter.io/developer/1153247304) | [SHOTA MIYAHIRA](https://appshunter.io/developer/931820726) |

## What reviewers say

### Card Hand Probability

[App page](https://appshunter.io/ios/app/card-hand-probability/id6759635264)

Calculate the probability of drawing specific cards in your opening hand and assess the impact of redraws. Analyze deck consistency, compare card count changes, and save multiple deck configurations.

**Highlights:** Opening hand probability calculation, Redraw analysis with mulligan options, Customizable deck and hand sizes, Complex condition setting (AND/OR), Probability comparison for card changes, Save and manage multiple decks, Multilingual interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 保存デッキ枠拡張機能 | $0.49 | one-time |
| 広告非表示機能 | $1.99 | one-time |


### HPCG memo

[App page](https://appshunter.io/ios/app/hpcg-memo/id6766399126)

Manage your Harry Potter Card Game decks and collection with this fan-made app. Build decks according to game rules, search cards easily, track your owned cards, and share your decks with others.

**Highlights:** Deck building with rule enforcement, Card search with hiragana input, Owned card quantity management, Deck code sharing, In-app card details lookup

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

**In-app purchases:** none


## Frequently asked questions

### Is Card Hand Probability free?

Card Hand Probability is free to download, with in-app purchases available.

### Is HPCG memo free?

HPCG memo is free to download, with no in-app purchases.

### Do Card Hand Probability or HPCG memo have ads?

Both Card Hand Probability and HPCG memo show ads.

### Which is updated more often, Card Hand Probability or HPCG memo?

Card Hand Probability ships an update every 9 days, and HPCG memo every 2 days. Most recently, Card Hand Probability was updated on October 31, 2026 and HPCG memo 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.*