# PAM tools vs Instagrid APP

The clearest difference is update cadence: Instagrid APP at every 4 weeks against PAM tools's every 5 months. 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.

PAM tools ships an update every 5 months, Instagrid APP every 4 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PAM tools | Instagrid APP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 24 MB | 118 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Saint-Gobain](https://appshunter.io/developer/543924473) | [Instagrid](https://appshunter.io/developer/1656806715) |

## What reviewers say

### PAM tools

[App page](https://appshunter.io/ios/app/pam-tools/id1080963133)

This application assists engineers and design offices with calculations for water, sewer, industry, and irrigation networks. It provides tools for sizing and installing ductile iron pipelines, offering calculations for pressure, depth, head losses, and more.

**Highlights:** Allowable pressure calculation, Depth of cover calculation, Head losses calculation, Thrust massif calculation, Anchor length calculation, Pressure reducing valve calculation, Flanged joints calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Instagrid APP

[App page](https://appshunter.io/ios/app/instagrid-app/id6444778719)

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

**In-app purchases:** none


## Frequently asked questions

### Is PAM tools free?

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

### Is Instagrid APP free?

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

### Do PAM tools or Instagrid APP have ads?

Neither PAM tools nor Instagrid APP shows ads.

### Which is updated more often, PAM tools or Instagrid APP?

PAM tools ships an update every 5 months, and Instagrid APP every 4 weeks. Most recently, PAM tools was updated on October 24, 2026 and Instagrid APP on October 10, 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.*