# Pipe Diameter Calculators vs FORGE Coach IA

The clearest difference is update cadence: FORGE Coach IA at every 10 days against Pipe Diameter Calculators's every 20 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pipe Diameter Calculators sells 1 one-off in-app purchase and FORGE Coach IA sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Pipe Diameter Calculators ships an update every 20 months, FORGE Coach IA every 10 days. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Pipe Diameter Calculators | FORGE Coach IA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 10 days** |
| Size | 59 MB | 43 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) | [Alexandre JACOB](https://appshunter.io/developer/6785862178) |

## What reviewers say

### 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 |


### FORGE Coach IA

[App page](https://appshunter.io/ios/app/forge-coach-ia/id6785862176)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FORGE Premium | $3.99 | per month |


## Frequently asked questions

### Is Pipe Diameter Calculators free?

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

### Is FORGE Coach IA free?

FORGE Coach IA is free to download, with in-app purchases available.

### Do Pipe Diameter Calculators or FORGE Coach IA have ads?

Neither Pipe Diameter Calculators nor FORGE Coach IA shows ads.

### Which is updated more often, Pipe Diameter Calculators or FORGE Coach IA?

Pipe Diameter Calculators ships an update every 20 months, and FORGE Coach IA every 10 days. Most recently, Pipe Diameter Calculators was updated on October 25, 2026 and FORGE Coach IA on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*