# Grinding Connect vs UnitBastion

The clearest difference is update cadence: UnitBastion at every 3 weeks against Grinding Connect's every 6 months. UnitBastion also leads on iOS requirement (15.0 vs 18.0). 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.

Grinding Connect ships an update every 6 months, UnitBastion every 3 weeks. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Grinding Connect | UnitBastion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 135 MB | 33 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ABB Information Systems AG](https://appshunter.io/developer/1026885389) | [talrace](https://appshunter.io/developer/1504062325) |

## What reviewers say

### Grinding Connect

[App page](https://appshunter.io/ios/app/grinding-connect/id1533230425)

**In-app purchases:** none


### UnitBastion

[App page](https://appshunter.io/ios/app/unitbastion/id6448989680)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grinding Connect free?

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

### Is UnitBastion free?

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

### Do Grinding Connect or UnitBastion have ads?

Neither Grinding Connect nor UnitBastion shows ads.

### Which is updated more often, Grinding Connect or UnitBastion?

Grinding Connect ships an update every 6 months, and UnitBastion every 3 weeks. Most recently, Grinding Connect was updated on September 13, 2026 and UnitBastion on September 9, 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.*