# Triangle Calc A vs PipingData

The clearest difference is update cadence: PipingData at every 3 months against Triangle Calc A's every 56 months. PipingData also leads on iOS requirement (15.1 vs 26.0). Triangle Calc A's advantage is price ($0.99 vs $4.99). On ads, in-app purchases and device support there is nothing between them.

Triangle Calc A costs $0.99 and PipingData $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Triangle Calc A ships an update every 56 months, PipingData every 3 months. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Triangle Calc A | PipingData |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 3 months** |
| Monetization | — | Paid |
| Size | 0 MB | 32 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kohei yamane](https://appshunter.io/developer/1239055575) | [ELM-web](https://appshunter.io/developer/1460558731) |

## What reviewers say

### Triangle Calc A

[App page](https://appshunter.io/ios/app/triangle-calc-a/id1582200016)

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

**In-app purchases:** none


### PipingData

[App page](https://appshunter.io/ios/app/pipingdata/id6477729206)

Visualize industrial piping data with an intuitive interface. Explore results instantly by hovering over components, and generate printable templates for branch connections. Supports multiple languages and unit conversions.

**Highlights:** Interactive piping component visualization, Data exploration via hovering, Printable branch connection templates, Multi-language support (19 languages), Inch/mm unit conversion, Downloadable industrial documents

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

**In-app purchases:** none


## Frequently asked questions

### Is Triangle Calc A free?

Triangle Calc A costs $0.99, with no in-app purchases.

### Is PipingData free?

PipingData costs $4.99, with no in-app purchases.

### Do Triangle Calc A or PipingData have ads?

Neither Triangle Calc A nor PipingData shows ads.

### Which is updated more often, Triangle Calc A or PipingData?

Triangle Calc A ships an update every 56 months, and PipingData every 3 months. Most recently, Triangle Calc A was updated on September 10, 2026 and PipingData on September 22, 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.*