# HatenaCounting vs DEDEDEN

The clearest difference is in-app purchases: HatenaCounting at none against DEDEDEN's 1. HatenaCounting also leads on ads (none vs shown). DEDEDEN's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. DEDEDEN sells 1 one-off in-app purchase. HatenaCounting asks for nothing beyond the download.

HatenaCounting ships an update every 5 weeks, DEDEDEN every 3 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | HatenaCounting | DEDEDEN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 16 MB | 25 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社はてな](https://appshunter.io/developer/354976662) | [Tarinai Works](https://appshunter.io/developer/1857880583) |

## What reviewers say

### HatenaCounting

[App page](https://appshunter.io/ios/app/hatenacounting/id6747415674)

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

**In-app purchases:** none


### DEDEDEN

[App page](https://appshunter.io/ios/app/dededen/id6757660599)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Feature Unlock | $1.99 | one-time |


## Frequently asked questions

### Is HatenaCounting free?

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

### Is DEDEDEN free?

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

### Do HatenaCounting or DEDEDEN have ads?

DEDEDEN shows ads; HatenaCounting does not.

### Which is updated more often, HatenaCounting or DEDEDEN?

HatenaCounting ships an update every 5 weeks, and DEDEDEN every 3 weeks. Most recently, HatenaCounting was updated on October 14, 2026 and DEDEDEN on October 13, 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.*