# TANGO500 vs 合格理科クエスト

The clearest difference is review sentiment: TANGO500 at 100% against 合格理科クエスト's 59%. 合格理科クエスト's advantage is update cadence (every 3 days vs every 8 days) and iOS requirement (16.4 vs 18.0). On price, ads, 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.

TANGO500 ships an update every 8 days, 合格理科クエスト every 3 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | TANGO500 | 合格理科クエスト |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 58.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 174 MB | 224 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [京太郎 Morikawa](https://appshunter.io/developer/1338623880) | [hiroaki yuasa](https://appshunter.io/developer/1785484491) |

## 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


### 合格理科クエスト

[App page](https://appshunter.io/ios/app/id6772644144)

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

**In-app purchases:** none


## Frequently asked questions

### Is TANGO500 free?

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

### Is 合格理科クエスト free?

合格理科クエスト is free to download, with no in-app purchases.

### Do TANGO500 or 合格理科クエスト have ads?

Neither TANGO500 nor 合格理科クエスト shows ads.

### Which is updated more often, TANGO500 or 合格理科クエスト?

TANGO500 ships an update every 8 days, and 合格理科クエスト every 3 days. Most recently, TANGO500 was updated on November 4, 2026 and 合格理科クエスト 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.*