# Pipedata vs JI Pass

The clearest difference is update cadence: Pipedata at every 3 weeks against JI Pass's every 3 months. Pipedata also leads on iOS requirement (11.0 vs 17.0). 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.

Pipedata ships an update every 3 weeks, JI Pass every 3 months. The most recent releases landed on October 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Pipedata | JI Pass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (39 ratings)](https://appshunter.io/ios/app/pipedata/id967807250/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 51.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 38 MB | 19 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Bennett](https://appshunter.io/developer/967758845) | [JTC Corporation](https://appshunter.io/developer/477667158) |

## What reviewers say

### Pipedata

[App page](https://appshunter.io/ios/app/pipedata/id967807250)

Access dimensional and weight data for over 70 common ASME piping components. Provides information in Metric, US Customary Units, and Inch/Fractions, with audited weights for valves, flanges, and other parts. Ensures accuracy and up-to-date information based on the latest ASME specifications.

**Highlights:** Dimensional data for 72+ ASME piping components, Weight information for valves and flanges, Supports Metric, US Customary Units, and Inch/Fractions, Based on latest ASME piping specifications, Fast and convenient interface

**Features:** macOS Compatibility

**In-app purchases:** none


### JI Pass

[App page](https://appshunter.io/ios/app/ji-pass/id6753334251)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pipedata free?

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

### Is JI Pass free?

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

### Do Pipedata or JI Pass have ads?

Neither Pipedata nor JI Pass shows ads.

### Which is updated more often, Pipedata or JI Pass?

Pipedata ships an update every 3 weeks, and JI Pass every 3 months. Most recently, Pipedata was updated on October 16, 2026 and JI Pass on September 24, 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.*