# 識別のアプリ vs DeferDeck

The clearest difference is ads: 識別のアプリ at none against DeferDeck's shown. DeferDeck's advantage is update cadence (every 2 days vs every 10 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

識別のアプリ ships an update every 10 days, DeferDeck every 2 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 識別のアプリ | DeferDeck |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 4 MB | 12 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuzuru Nakamura](https://appshunter.io/developer/1558625296) | [Yasuko Shikiuchi](https://appshunter.io/developer/316029096) |

## What reviewers say

### 識別のアプリ

[App page](https://appshunter.io/ios/app/id1558625294)

This app helps players conquer "mystery dungeons" in roguelike games by identifying unknown items. It features lists of identified items, price charts for magical shops, and a system for managing enchanted items. More dungeons and features are planned for future updates.

**Highlights:** Item identification lists, Shop price charts, Enchantment management, Support for multiple games, Planned future content

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

**In-app purchases:** none


### DeferDeck

[App page](https://appshunter.io/ios/app/deferdeck/id6779689670)

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

**In-app purchases:** none


## Frequently asked questions

### Is 識別のアプリ free?

識別のアプリ is free to download, with no in-app purchases.

### Is DeferDeck free?

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

### Do 識別のアプリ or DeferDeck have ads?

DeferDeck shows ads; 識別のアプリ does not.

### Which is updated more often, 識別のアプリ or DeferDeck?

識別のアプリ ships an update every 10 days, and DeferDeck every 2 days. Most recently, 識別のアプリ was updated on October 27, 2026 and DeferDeck 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.*