# はまかんざし vs 施工管理+α

The clearest difference is update cadence: 施工管理+α at every 6 weeks against はまかんざし's every 36 months. 施工管理+α also leads on device support (3 vs 1). はまかんざし's advantage is iOS requirement (9.0 vs 13.0). On price, 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.

はまかんざし ships an update every 36 months, 施工管理+α every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | はまかんざし | 施工管理+α |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 6 weeks** |
| Size | 1 MB | 33 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Nagano System Development, Inc.](https://appshunter.io/developer/1044168222) | [株式会社ブレイブ](https://appshunter.io/developer/1478396335) |

## What reviewers say

### はまかんざし

[App page](https://appshunter.io/ios/app/id1044168223)

**Features:** macOS Compatibility

**In-app purchases:** none


### 施工管理+α

[App page](https://appshunter.io/ios/app/plus/id1478396606)

**In-app purchases:** none


## Frequently asked questions

### Is はまかんざし free?

はまかんざし is free to download, with no in-app purchases.

### Is 施工管理+α free?

施工管理+α is free to download, with no in-app purchases.

### Do はまかんざし or 施工管理+α have ads?

Neither はまかんざし nor 施工管理+α shows ads.

### Which is updated more often, はまかんざし or 施工管理+α?

はまかんざし ships an update every 36 months, and 施工管理+α every 6 weeks. Most recently, はまかんざし was updated on November 2, 2026 and 施工管理+α on November 3, 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.*