# ChronoMap vs Memora X 世界史一問一答

The clearest difference is in-app purchases: ChronoMap at none against Memora X 世界史一問一答's 1. ChronoMap also leads on ads (none vs shown) and review sentiment (80% vs 50%). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Memora X 世界史一問一答 sells 1 one-off in-app purchase. ChronoMap asks for nothing beyond the download.

ChronoMap ships an update every 3 days, Memora X 世界史一問一答 every 5 days. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | ChronoMap | Memora X 世界史一問一答 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **80.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 99 MB | 21 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HOIPOI Co., Ltd.](https://appshunter.io/developer/6801120710) | [Issei Sato](https://appshunter.io/developer/6791698667) |

## What reviewers say

### ChronoMap

[App page](https://appshunter.io/ios/app/chronomap/id6801120707)

Explore human history with an interactive world map and timeline. Witness political borders shift and events unfold in their geographical context. Features narrated stories, quizzes, and detailed information on historical periods and places.

**Highlights:** Animated historical maps from 28,000 BC to present, 2,794 explained historical events and people, 52 narrated historical stories, Blank-map quizzes and drills, Relationship trees for historical themes, Offline access to all data, Spaced-repetition review for collected cards

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

**In-app purchases:** none


### Memora X 世界史一問一答

[App page](https://appshunter.io/ios/app/memora-x/id6807089001)

This app helps students prepare for university entrance exams by offering a vast collection of world history questions covering 20 years of past papers. It uses a spaced repetition system to aid memorization and allows users to learn through various question formats.

**Highlights:** 20 years of past exam questions, 4,853 Q&A, 250 timeline, 477 essay questions, Three difficulty levels, Four learning modes: horizontal, vertical, timeline, essay, Spaced repetition system, Swipe-based interface, Customizable 'my vocabulary book'

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プラチナMAX会員（買い切り） | $5.99 | one-time |


## Frequently asked questions

### Is ChronoMap free?

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

### Is Memora X 世界史一問一答 free?

Memora X 世界史一問一答 is free to download, with in-app purchases available.

### Do ChronoMap or Memora X 世界史一問一答 have ads?

Memora X 世界史一問一答 shows ads; ChronoMap does not.

### Which is updated more often, ChronoMap or Memora X 世界史一問一答?

ChronoMap ships an update every 3 days, and Memora X 世界史一問一答 every 5 days. Most recently, ChronoMap was updated on October 31, 2026 and Memora X 世界史一問一答 on November 1, 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.*