# クレーン自動選定 vs RigMaster

The clearest difference is in-app purchases: クレーン自動選定 at none against RigMaster's 4. クレーン自動選定 also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. RigMaster sells 4 in-app purchases, starting at $0.99 per 7 days. クレーン自動選定 asks for nothing beyond the download.

クレーン自動選定 ships an update fortnightly, RigMaster every 2 weeks. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | クレーン自動選定 | RigMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 95 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NISHIKI, K.K.](https://appshunter.io/developer/1820848711) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### クレーン自動選定

[App page](https://appshunter.io/ios/app/id6747329502)

**In-app purchases:** none


### RigMaster

[App page](https://appshunter.io/ios/app/rigmaster-rigging-calculator/id6789944360)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| RigMaster Pro Monthly | $2.99 | per month |
| Pro Yearly | $19.99 | per year |
| RigMaster Pro | $39.99 | one-time |


## Frequently asked questions

### Is クレーン自動選定 free?

クレーン自動選定 is free to download, with no in-app purchases.

### Is RigMaster free?

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

### Do クレーン自動選定 or RigMaster have ads?

RigMaster shows ads; クレーン自動選定 does not.

### Which is updated more often, クレーン自動選定 or RigMaster?

クレーン自動選定 ships an update fortnightly, and RigMaster every 2 weeks. Most recently, クレーン自動選定 was updated on October 28, 2026 and RigMaster on October 29, 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.*