# TANGO500 vs Memora X 日本史一問一答

The clearest difference is review sentiment: TANGO500 at 100% against Memora X 日本史一問一答's 54%. TANGO500 also leads on in-app purchases (none vs 1) and ads (none vs shown). Memora X 日本史一問一答's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Memora X 日本史一問一答 sells 1 one-off in-app purchase. TANGO500 asks for nothing beyond the download.

TANGO500 ships an update every 8 days, Memora X 日本史一問一答 every 4 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | TANGO500 | Memora X 日本史一問一答 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 53.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 174 MB | 22 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [京太郎 Morikawa](https://appshunter.io/developer/1338623880) | [Issei Sato](https://appshunter.io/developer/6791698667) |

## What reviewers say

### TANGO500

[App page](https://appshunter.io/ios/app/tango500/id6740538116)

This educational app helps children learn English vocabulary through interactive puzzles. It features over 500 words commonly taught in Japanese elementary schools, complete with sample sentences and images. The app supports 22 languages for hints and translations, and works offline after an initial dictionary download.

**Highlights:** Interactive English word puzzles, Over 500 elementary school words, Sample sentences and pictures, 22 language translations, Offline functionality, VoiceOver support

**Features:** macOS Compatibility

**In-app purchases:** none


### Memora X 日本史一問一答

[App page](https://appshunter.io/ios/app/memora-x/id6807089373)

This app offers a comprehensive Japanese history quiz experience for university entrance exams. It covers 20 years of past exam questions, allowing users to learn terms, dates, and essay topics. Features include spaced repetition, customizable difficulty, and progress tracking to aid memorization.

**Highlights:** 20 years of past exam questions, 4,305 quiz questions per year, Spaced repetition learning, Adjustable difficulty levels, Essay question practice, Customizable 'my wordbook'

**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 TANGO500 free?

TANGO500 is free to download, with no in-app purchases.

### Is Memora X 日本史一問一答 free?

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

### Do TANGO500 or Memora X 日本史一問一答 have ads?

Memora X 日本史一問一答 shows ads; TANGO500 does not.

### Which is updated more often, TANGO500 or Memora X 日本史一問一答?

TANGO500 ships an update every 8 days, and Memora X 日本史一問一答 every 4 days. Most recently, TANGO500 was updated on November 4, 2026 and Memora X 日本史一問一答 on November 6, 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.*