# Express Air vs NOTICAU

The clearest difference is in-app purchases: NOTICAU at none against Express Air's 1. Express Air's advantage is iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Express Air sells 1 one-off in-app purchase. NOTICAU asks for nothing beyond the download.

Express Air ships an update every 2 days, NOTICAU every 3 days. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Express Air | NOTICAU |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 39 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [sanghui lee](https://appshunter.io/developer/1721270552) | [TAEHYUN JOO](https://appshunter.io/developer/1884783827) |

## What reviewers say

### Express Air

[App page](https://appshunter.io/ios/app/express-air-learn-japanese/id6475187563)

Master essential Japanese phrases for your trip to Japan in just two weeks. This app makes learning fun and engaging, like playing a game. Prepare for your travels with quick and enjoyable lessons.

**Highlights:** Learn essential Japanese phrases, Focus on Japan travel, Game-like learning experience, Master phrases in two weeks, Quick and enjoyable lessons

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| In app purchase | $0.99 | one-time |


### NOTICAU

[App page](https://appshunter.io/ios/app/noticau/id6777587838)

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

**In-app purchases:** none


## Frequently asked questions

### Is Express Air free?

Express Air is free to download, with in-app purchases available.

### Is NOTICAU free?

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

### Do Express Air or NOTICAU have ads?

Neither Express Air nor NOTICAU shows ads.

### Which is updated more often, Express Air or NOTICAU?

Express Air ships an update every 2 days, and NOTICAU every 3 days. Most recently, Express Air was updated on November 4, 2026 and NOTICAU on October 28, 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.*