# 恐怖マップ vs DamApp

The clearest difference is iOS requirement: DamApp at 17.0 against 恐怖マップ's 26. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 恐怖マップ | DamApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 49 MB | 228 MB |
| Requires iOS | 26 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [deskplate](https://appshunter.io/developer/386580886) | [Yuta Kokubo](https://appshunter.io/developer/1549449778) |

## What reviewers say

### 恐怖マップ

[App page](https://appshunter.io/ios/app/id1492479442)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 恐怖マップ free?

恐怖マップ is free to download, with no in-app purchases.

### Is DamApp free?

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

### Do 恐怖マップ or DamApp have ads?

Neither 恐怖マップ nor DamApp shows ads.

### Which is updated more often, 恐怖マップ or DamApp?

恐怖マップ ships an update every 2 months, and DamApp every 2 months. Most recently, 恐怖マップ was updated on October 26, 2026 and DamApp on October 10, 2026.

---

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