# Pipe Kit Offset Calculator Pro vs PipeSizer

The clearest difference is in-app purchases: PipeSizer at none against Pipe Kit Offset Calculator Pro's 2. Pipe Kit Offset Calculator Pro's advantage is update cadence (fortnightly vs every 6 weeks) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Pipe Kit Offset Calculator Pro sells 2 in-app purchases, starting at $1.99 per month. PipeSizer asks for nothing beyond the download.

Pipe Kit Offset Calculator Pro ships an update fortnightly, PipeSizer every 6 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Pipe Kit Offset Calculator Pro | PipeSizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pipe-kit-offset-calculator-pro/id6760276699/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 31 MB | 46 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [成昂 闫](https://appshunter.io/developer/1525052553) | [Mario Cerda](https://appshunter.io/developer/6772352482) |

## What reviewers say

### Pipe Kit Offset Calculator Pro

[App page](https://appshunter.io/ios/app/pipe-kit-offset-calculator-pro/id6760276699)

Calculate pipe offsets, weight, and fittings with precision. Features real-time updates, interactive 3D visualization, and multiple input modes for engineers and plumbers. Save and restore previous calculations.

**Highlights:** Offset Calculator, Interactive 3D Chart, Real-Time Results, Multiple Input Modes, Manufacturing Details, History & Restore

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Kit Pro Monthly | $1.99 | per month |
| Pipe Kit Pro Yearly | $17.99 | per year |


### PipeSizer

[App page](https://appshunter.io/ios/app/pipesizer-diameter-selector/id6781534043)

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Kit Offset Calculator Pro free?

Pipe Kit Offset Calculator Pro is free to download, with in-app purchases available.

### Is PipeSizer free?

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

### Do Pipe Kit Offset Calculator Pro or PipeSizer have ads?

Neither Pipe Kit Offset Calculator Pro nor PipeSizer shows ads.

### Which is updated more often, Pipe Kit Offset Calculator Pro or PipeSizer?

Pipe Kit Offset Calculator Pro ships an update fortnightly, and PipeSizer every 6 weeks. Most recently, Pipe Kit Offset Calculator Pro was updated on October 6, 2026 and PipeSizer on October 1, 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.*