# Walter Wear Optimization vs TGS kalkulačka

The clearest difference is update cadence: TGS kalkulačka at every 15 months against Walter Wear Optimization's every 60 months. 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.

Walter Wear Optimization ships an update every 60 months, TGS kalkulačka every 15 months. The most recent releases landed on September 7, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | Walter Wear Optimization | TGS kalkulačka |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 60 months | **Every 15 months** |
| Size | 60 MB | 6 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Walter-AG](https://appshunter.io/developer/423564215) | [UVM interactive](https://appshunter.io/developer/1062334395) |

## What reviewers say

### Walter Wear Optimization

[App page](https://appshunter.io/ios/app/walter-wear-optimization/id1069887603)

**Features:** macOS Compatibility

**In-app purchases:** none


### TGS kalkulačka

[App page](https://appshunter.io/ios/app/tgs-kalkulacka/id6448684681)

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

**In-app purchases:** none


## Frequently asked questions

### Is Walter Wear Optimization free?

Walter Wear Optimization is free to download, with no in-app purchases.

### Is TGS kalkulačka free?

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

### Do Walter Wear Optimization or TGS kalkulačka have ads?

Neither Walter Wear Optimization nor TGS kalkulačka shows ads.

### Which is updated more often, Walter Wear Optimization or TGS kalkulačka?

Walter Wear Optimization ships an update every 60 months, and TGS kalkulačka every 15 months. Most recently, Walter Wear Optimization was updated on September 7, 2026 and TGS kalkulačka on July 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*