# ダムコレ vs Manhole Card Map

The clearest difference is ads: ダムコレ at none against Manhole Card Map's shown. ダムコレ also leads on iOS requirement (9.0 vs 17.0). On price, update cadence, in-app purchases and device support 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 weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ダムコレ | Manhole Card Map |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 34 MB | 141 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shintaro Takemura](https://appshunter.io/developer/1072112869) | [TETSUNOSUKE HIDA](https://appshunter.io/developer/6773281087) |

## What reviewers say

### ダムコレ

[App page](https://appshunter.io/ios/app/id1158554191)

This app helps users manage their collection of dam cards, which are informational cards distributed at dams and related facilities. Users can register collected cards, including visit dates and photos, and view a list of their collected items. It encourages visiting various dams to gather more cards.

**Highlights:** Manage dam card collection, Register collected cards, Record visit dates, Add card photos, View collected card list, Track dam information

**Features:** macOS Compatibility

**In-app purchases:** none


### Manhole Card Map

[App page](https://appshunter.io/ios/app/manhole-card-map/id6773281085)

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

**In-app purchases:** none


## Frequently asked questions

### Is ダムコレ free?

ダムコレ is free to download, with no in-app purchases.

### Is Manhole Card Map free?

Manhole Card Map is free to download, with no in-app purchases.

### Do ダムコレ or Manhole Card Map have ads?

Manhole Card Map shows ads; ダムコレ does not.

### Which is updated more often, ダムコレ or Manhole Card Map?

ダムコレ ships an update weekly, and Manhole Card Map weekly. Most recently, ダムコレ was updated on October 24, 2026 and Manhole Card Map 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.*