# Akerun App vs 郵便番号さがし

The clearest difference is in-app purchases: Akerun App at none against 郵便番号さがし's 1. Akerun App also leads on ads (none vs shown). 郵便番号さがし's advantage is update cadence (fortnightly vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 郵便番号さがし sells 1 one-off in-app purchase. Akerun App asks for nothing beyond the download.

Akerun App ships an update every 6 weeks, 郵便番号さがし fortnightly. Both last shipped on October 29, 2026.

## The numbers

| Metric | Akerun App | 郵便番号さがし |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/akerun-app/id1542946007/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 113 MB | 23 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Photosynth Inc.](https://appshunter.io/developer/950160409) | [YU KORIKI](https://appshunter.io/developer/6776222963) |

## What reviewers say

### Akerun App

[App page](https://appshunter.io/ios/app/akerun-app/id1542946007)

Unlock various spaces like homes, offices, gyms, and schools using your smartphone as a key. Share digital keys with customizable expiration dates and manage access history for enhanced security. Supports various electronic locks and automatic doors.

**Highlights:** Smartphone as a key, IC card integration, Digital key sharing, Access history tracking, Enhanced security features, Remote permission deletion

**In-app purchases:** none


### 郵便番号さがし

[App page](https://appshunter.io/ios/app/japan-postal-code/id6808419083)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示にする | $1.99 | one-time |


## Frequently asked questions

### Is Akerun App free?

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

### Is 郵便番号さがし free?

郵便番号さがし is free to download, with in-app purchases available.

### Do Akerun App or 郵便番号さがし have ads?

郵便番号さがし shows ads; Akerun App does not.

### Which is updated more often, Akerun App or 郵便番号さがし?

Akerun App ships an update every 6 weeks, and 郵便番号さがし fortnightly. Most recently, Akerun App was updated on October 29, 2026 and 郵便番号さがし on October 29, 2026.

---

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