# Boschert vs LöSi

The clearest difference is iOS requirement: Boschert at 13.0 against LöSi's 15.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Boschert | LöSi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free | — |
| Size | 1 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Uwe Marx](https://appshunter.io/developer/962809898) | [LöSi GmbH](https://appshunter.io/developer/503852765) |

## What reviewers say

### Boschert

[App page](https://appshunter.io/ios/app/boschert/id962809899)

This application assists with various industrial calculations for round, square, and rectangular tools. It also provides features to calculate sheet weight, enveloping circles, and cutting gaps. Users can access company news and watch tutorial videos within the app.

**Highlights:** Punchforce calculation for round tools, Punchforce calculation for square tools, Punchforce calculation for rectangle tools, Sheet weight calculation, Enveloping circle calculation, Cutting gap calculation, Company news feed, YouTube video channel

**Features:** macOS Compatibility

**In-app purchases:** none


### LöSi

[App page](https://appshunter.io/ios/app/losi/id1454656396)

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

**In-app purchases:** none


## Frequently asked questions

### Is Boschert free?

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

### Is LöSi free?

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

### Do Boschert or LöSi have ads?

Neither Boschert nor LöSi shows ads.

### Which is updated more often, Boschert or LöSi?

Boschert ships an update every 5 months, and LöSi every 5 months. Most recently, Boschert was updated on November 1, 2026 and LöSi on November 2, 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.*