# KleinMobile vs Bollard Pull Calculator

The clearest difference is update cadence: Bollard Pull Calculator at every 2 weeks against KleinMobile's every 2 months. Bollard Pull Calculator also leads on iOS requirement (13.0 vs 16). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KleinMobile ships an update every 2 months, Bollard Pull Calculator every 2 weeks. The most recent releases landed on August 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | KleinMobile | Bollard Pull Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (3 ratings)](https://appshunter.io/ios/app/kleinmobile/id511339650/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 64 MB | 20 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Tidalis Americas Ltd](https://appshunter.io/developer/511339656) | [UZMAR BILISIM HIZMETLERI VE COZUM SISTEMLERI ANONIM SIRKETI](https://appshunter.io/developer/1407597112) |

## What reviewers say

### KleinMobile

[App page](https://appshunter.io/ios/app/kleinmobile/id511339650)

This app allows marine pilots and shipping agencies to manage assigned jobs, receive private messages from port authorities, and access public port information. It includes an alarm function for upcoming tasks and web-based information access.

**Highlights:** Manage pilot jobs, Receive private port messages, Task alarm function, Access public port information, Web information access

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

**In-app purchases:** none


### Bollard Pull Calculator

[App page](https://appshunter.io/ios/app/bollard-pull-calculator/id6502411796)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KleinMobile free?

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

### Is Bollard Pull Calculator free?

Bollard Pull Calculator is free to download, with no in-app purchases.

### Do KleinMobile or Bollard Pull Calculator have ads?

Neither KleinMobile nor Bollard Pull Calculator shows ads.

### Which is updated more often, KleinMobile or Bollard Pull Calculator?

KleinMobile ships an update every 2 months, and Bollard Pull Calculator every 2 weeks. Most recently, KleinMobile was updated on August 1, 2026 and Bollard Pull Calculator on September 19, 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.*