# ダムコレ vs Manhole Notebook

The clearest difference is in-app purchases: ダムコレ at none against Manhole Notebook's 1. ダムコレ also leads on iOS requirement (9.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Manhole Notebook sells 1 in-app purchase, starting at $14.99 per year. ダムコレ asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ダムコレ | Manhole Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 34 MB | 15 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) | [Gabriel Barandiaran Silveira](https://appshunter.io/developer/1867230690) |

## 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 Notebook

[App page](https://appshunter.io/ios/app/manhole-notebook/id6759797202)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is ダムコレ free?

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

### Is Manhole Notebook free?

Manhole Notebook is free to download, with in-app purchases available.

### Do ダムコレ or Manhole Notebook have ads?

Neither ダムコレ nor Manhole Notebook shows ads.

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

ダムコレ ships an update weekly, and Manhole Notebook weekly. Most recently, ダムコレ was updated on October 24, 2026 and Manhole Notebook on October 8, 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.*