# 共通テスト対応英単語1800 vs ComiruAir

The clearest difference is review sentiment: 共通テスト対応英単語1800 at 46% against ComiruAir's 15%. ComiruAir's advantage is update cadence (every 3 months vs every 18 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

共通テスト対応英単語1800 ships an update every 18 months, ComiruAir every 3 months. Both last shipped on October 15, 2026.

## The numbers

| Metric | 共通テスト対応英単語1800 | ComiruAir |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **46.0% of reviews** | 15.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 156 MB | 70 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ナガセ](https://appshunter.io/developer/447743163) | [POPER Inc.](https://appshunter.io/developer/1219573109) |

## What reviewers say

### 共通テスト対応英単語1800

[App page](https://appshunter.io/ios/app/1800/id785904625)

Master essential English vocabulary for university entrance exams with this dedicated app. It covers 99.5% of the vocabulary tested on the Center Test and other university entrance exams, focusing on the 1800 most crucial words for high school students.

**Highlights:** Covers 99.5% of Center Test vocabulary, Focuses on 1800 essential words, Based on successful exam preparation methods, Designed for high school and university exam students, Master vocabulary quickly and completely

**Features:** Vision Pro support

**In-app purchases:** none


### ComiruAir

[App page](https://appshunter.io/ios/app/comiruair/id1507885328)

This app allows students and parents to easily participate in online lessons and watch educational videos. It connects users to live courses and a library of recorded video content for flexible learning.

**Highlights:** Live online lesson participation, Watch recorded video courses, Easy login with school credentials, Access anytime, anywhere, Prepare for and review lessons

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 共通テスト対応英単語1800 free?

共通テスト対応英単語1800 is free to download, with no in-app purchases.

### Is ComiruAir free?

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

### Do 共通テスト対応英単語1800 or ComiruAir have ads?

Neither 共通テスト対応英単語1800 nor ComiruAir shows ads.

### Which is updated more often, 共通テスト対応英単語1800 or ComiruAir?

共通テスト対応英単語1800 ships an update every 18 months, and ComiruAir every 3 months. Most recently, 共通テスト対応英単語1800 was updated on October 15, 2026 and ComiruAir on October 15, 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.*