# ウクレレ入門 vs Evac Navi

The clearest difference is in-app purchases: Evac Navi at none against ウクレレ入門's 1. Evac Navi also leads on ads (none vs shown) and update cadence (every 3 days vs every 8 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ウクレレ入門 sells 1 one-off in-app purchase. Evac Navi asks for nothing beyond the download.

ウクレレ入門 ships an update every 8 months, Evac Navi every 3 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ウクレレ入門 | Evac Navi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 3 days** |
| Size | 32 MB | 106 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHINGO MATSUO](https://appshunter.io/developer/1493414113) | [Business Center Okayama Corporation](https://appshunter.io/developer/436951414) |

## What reviewers say

### ウクレレ入門

[App page](https://appshunter.io/ios/app/and/id6450103738)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| アプリ内の広告削除 | $2.99 | one-time |


### Evac Navi

[App page](https://appshunter.io/ios/app/evac-navi/id6756243990)

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

**In-app purchases:** none


## Frequently asked questions

### Is ウクレレ入門 free?

ウクレレ入門 is free to download, with in-app purchases available.

### Is Evac Navi free?

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

### Do ウクレレ入門 or Evac Navi have ads?

ウクレレ入門 shows ads; Evac Navi does not.

### Which is updated more often, ウクレレ入門 or Evac Navi?

ウクレレ入門 ships an update every 8 months, and Evac Navi every 3 days. Most recently, ウクレレ入門 was updated on October 8, 2026 and Evac Navi on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*