# Fittings App vs bossMaintenance

The clearest difference is price: bossMaintenance at Free against Fittings App's $3.99. Fittings App's advantage is iOS requirement (12.1 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

bossMaintenance is free to download; Fittings App costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fittings App ships an update every 3 months, bossMaintenance every 4 months. The most recent releases landed on September 21, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Fittings App | bossMaintenance |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | — |
| Size | 19 MB | 103 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steffen Weber](https://appshunter.io/developer/1456703068) | [bossinfo.ch AG](https://appshunter.io/developer/1567879756) |

## What reviewers say

### Fittings App

[App page](https://appshunter.io/ios/app/fittings-app/id1457294172)

This industrial pipe construction app provides essential measurements for flanges and elbows based on European standards. It calculates various dimensions like welding neck length, gasket size, bolt specifications, and elbow cutting measurements, with extensive help sections.

**Highlights:** Flange measurements (PN 6-40), Elbow measurements (4 types/manual), Calculates cutting measurements, Supports EN 10220/EN1092 standards, Extensive help and explanations

**Features:** macOS Compatibility

**In-app purchases:** none


### bossMaintenance

[App page](https://appshunter.io/ios/app/bossmaintenance/id6499280428)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fittings App free?

Fittings App costs $3.99, with no in-app purchases.

### Is bossMaintenance free?

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

### Do Fittings App or bossMaintenance have ads?

Neither Fittings App nor bossMaintenance shows ads.

### Which is updated more often, Fittings App or bossMaintenance?

Fittings App ships an update every 3 months, and bossMaintenance every 4 months. Most recently, Fittings App was updated on September 21, 2026 and bossMaintenance on September 6, 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.*