# Pipe Tools vs AJI GIDC Association

The clearest difference is in-app purchases: AJI GIDC Association at none against Pipe Tools's 1. AJI GIDC Association also leads on update cadence (every 7 months vs every 36 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pipe Tools sells 1 one-off in-app purchase. AJI GIDC Association asks for nothing beyond the download.

Pipe Tools ships an update every 36 months, AJI GIDC Association every 7 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pipe Tools | AJI GIDC Association |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (20 ratings)](https://appshunter.io/ios/app/pipe-tools/id372454624/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 43 MB | 71 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bri-Steel Manufacturing](https://appshunter.io/developer/968778552) | [R K Infotech](https://appshunter.io/developer/859792762) |

## What reviewers say

### Pipe Tools

[App page](https://appshunter.io/ios/app/pipe-tools/id372454624)

This app provides a comprehensive steel pipe handbook with charts for wall thickness, mass, and pressure calculations. It facilitates quick conversions and cost comparisons, allowing users to prepare and send customized PDF quotes for pipe sales.

**Highlights:** Steel pipe charts (wall thickness, mass), Unit conversions (feet, meters, pounds, kg), Pipe cost comparison, Customizable PDF quote generation, Mechanical and hardness conversions, Pressure and wall thickness calculations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Tools | $0.99 | one-time |


### AJI GIDC Association

[App page](https://appshunter.io/ios/app/aji-gidc-association/id6448948862)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Tools free?

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

### Is AJI GIDC Association free?

AJI GIDC Association is free to download, with no in-app purchases.

### Do Pipe Tools or AJI GIDC Association have ads?

Neither Pipe Tools nor AJI GIDC Association shows ads.

### Which is updated more often, Pipe Tools or AJI GIDC Association?

Pipe Tools ships an update every 36 months, and AJI GIDC Association every 7 months. Most recently, Pipe Tools was updated on October 23, 2026 and AJI GIDC Association on October 7, 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.*