# HatenaCounting vs VoltKeep

The clearest difference is in-app purchases: HatenaCounting at none against VoltKeep's 2. VoltKeep's advantage is update cadence (every 3 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. VoltKeep sells 2 in-app purchases, starting at $4.99 per month. HatenaCounting asks for nothing beyond the download.

HatenaCounting ships an update every 5 weeks, VoltKeep every 3 days. The most recent releases landed on October 14, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HatenaCounting | VoltKeep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 16 MB | 74 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [株式会社はてな](https://appshunter.io/developer/354976662) | [Yuto Furudate](https://appshunter.io/developer/1886072871) |

## What reviewers say

### HatenaCounting

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

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

**In-app purchases:** none


### VoltKeep

[App page](https://appshunter.io/ios/app/voltkeep-tesla/id6760900723)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is HatenaCounting free?

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

### Is VoltKeep free?

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

### Do HatenaCounting or VoltKeep have ads?

Neither HatenaCounting nor VoltKeep shows ads.

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

HatenaCounting ships an update every 5 weeks, and VoltKeep every 3 days. Most recently, HatenaCounting was updated on October 14, 2026 and VoltKeep on October 31, 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.*