# DamApp vs PASAスタンプ・情報ポータル【日本全国対応】

The clearest difference is in-app purchases: DamApp at none against PASAスタンプ・情報ポータル【日本全国対応】's 1. DamApp also leads on ads (none vs shown). PASAスタンプ・情報ポータル【日本全国対応】's advantage is update cadence (fortnightly vs every 2 months) and review sentiment (100% vs 86%). On price and device support there is nothing between them.

Both are free to download. PASAスタンプ・情報ポータル【日本全国対応】 sells 1 in-app purchase, starting at $1.99 per month. DamApp asks for nothing beyond the download.

DamApp ships an update every 2 months, PASAスタンプ・情報ポータル【日本全国対応】 fortnightly. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | DamApp | PASAスタンプ・情報ポータル【日本全国対応】 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 228 MB | 60 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Yuta Kokubo](https://appshunter.io/developer/1549449778) | [Yutaroh Kubo](https://appshunter.io/developer/1612912672) |

## What reviewers say

### DamApp

[App page](https://appshunter.io/ios/app/damapp/id1549449776)

Discover over 2,000 dams across Japan. Search by name, distance, prefecture, type, or purpose. Record check-ins, dam card ownership, and add favorites or notes. All dam information is available offline.

**Highlights:** Search over 2,000 dams nationwide, Filter by distance, prefecture, type, purpose, Offline access to dam details, Record check-ins and dam card ownership, Map view with MAPCODE support, Import visit records from text files

**Features:** Vision Pro support

**In-app purchases:** none


### PASAスタンプ・情報ポータル【日本全国対応】

[App page](https://appshunter.io/ios/app/pasa/id6738706045)

Discover and collect digital stamps at service and parking areas across Japan. Search for facilities, read reviews, and share your experiences to enhance your highway travels and road trips.

**Highlights:** SA/PA search and information, Stamp rally with check-ins, User reviews and community board, Collect visit history, Find recommended spots, Supports all national highways

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium membership | $1.99 | per month |


## Frequently asked questions

### Is DamApp free?

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

### Is PASAスタンプ・情報ポータル【日本全国対応】 free?

PASAスタンプ・情報ポータル【日本全国対応】 is free to download, with in-app purchases available.

### Do DamApp or PASAスタンプ・情報ポータル【日本全国対応】 have ads?

PASAスタンプ・情報ポータル【日本全国対応】 shows ads; DamApp does not.

### Which is updated more often, DamApp or PASAスタンプ・情報ポータル【日本全国対応】?

DamApp ships an update every 2 months, and PASAスタンプ・情報ポータル【日本全国対応】 fortnightly. Most recently, DamApp was updated on September 24, 2026 and PASAスタンプ・情報ポータル【日本全国対応】 on September 18, 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.*