# STEINER IFS vs Pipe Diameter Calculators

The clearest difference is in-app purchases: STEINER IFS at none against Pipe Diameter Calculators's 1. STEINER IFS also leads on update cadence (every 4 months vs every 20 months) and iOS requirement (10.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Pipe Diameter Calculators sells 1 one-off in-app purchase. STEINER IFS asks for nothing beyond the download.

STEINER IFS ships an update every 4 months, Pipe Diameter Calculators every 20 months. The most recent releases landed on October 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | STEINER IFS | Pipe Diameter Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/steiner-ifs/id1449949275/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 20 months |
| Monetization | Free | — |
| Size | 30 MB | 59 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Steiner-Optik GmbH](https://appshunter.io/developer/1345966905) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### STEINER IFS

[App page](https://appshunter.io/ios/app/steiner-ifs/id1449949275)

Configure your Steiner IFS rifle scope wirelessly via Bluetooth. Easily adjust basic settings, import ammunition and ballistic data, and customize your display. This app allows for seamless integration with your device for precise adjustments.

**Highlights:** Bluetooth configuration, Basic settings adjustment, Ammunition data import, Ballistic data management, Display customization

**Features:** macOS Compatibility

**In-app purchases:** none


### Pipe Diameter Calculators

[App page](https://appshunter.io/ios/app/pipe-diameter-calculators/id6743020859)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is STEINER IFS free?

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

### Is Pipe Diameter Calculators free?

Pipe Diameter Calculators is free to download, with in-app purchases available.

### Do STEINER IFS or Pipe Diameter Calculators have ads?

Neither STEINER IFS nor Pipe Diameter Calculators shows ads.

### Which is updated more often, STEINER IFS or Pipe Diameter Calculators?

STEINER IFS ships an update every 4 months, and Pipe Diameter Calculators every 20 months. Most recently, STEINER IFS was updated on October 1, 2026 and Pipe Diameter Calculators on October 25, 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.*