# 암기왕 vs Pikabook

The clearest difference is ads: Pikabook at none against 암기왕's shown. 암기왕's advantage is update cadence (fortnightly vs every 3 months) and iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

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

암기왕 ships an update fortnightly, Pikabook every 3 months. The most recent releases landed on June 4, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 암기왕 | Pikabook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 73 MB | 82 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AD Lift Co., Ltd](https://appshunter.io/developer/1697835703) | [Eun Kyung Kim](https://appshunter.io/developer/1811050538) |

## What reviewers say

### 암기왕

[App page](https://appshunter.io/ios/app/and/id412399699)

This app helps you memorize vocabulary and manage study routines efficiently. It offers flashcards, spaced repetition, and tools like a Pomodoro timer and study calendar to build consistent learning habits. Track progress and analyze study patterns with detailed reports.

**Highlights:** Flashcard-based vocabulary memorization, Spaced repetition algorithm, Customizable word lists, Pomodoro timer for focus, Study routine scheduling, Learning calendar and reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Pikabook

[App page](https://appshunter.io/ios/app/pikabook/id6745157690)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 암기왕 free?

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

### Is Pikabook free?

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

### Do 암기왕 or Pikabook have ads?

암기왕 shows ads; Pikabook does not.

### Which is updated more often, 암기왕 or Pikabook?

암기왕 ships an update fortnightly, and Pikabook every 3 months. Most recently, 암기왕 was updated on June 4, 2026 and Pikabook on September 9, 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.*