# PAM tools vs Rilam

The clearest difference is update cadence: Rilam at every 2 months against PAM tools's every 5 months. Rilam also leads on iOS requirement (13.0 vs 15.1). 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, Rilam every 2 months. The most recent releases landed on September 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PAM tools | Rilam |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 24 MB | 40 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Compagnie de Saint-Gobain](https://appshunter.io/developer/543924473) | [Ahmed Ibrahim](https://appshunter.io/developer/1657944932) |

## 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


### Rilam

[App page](https://appshunter.io/ios/app/rilam/id6736710471)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PAM tools free?

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

### Is Rilam free?

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

### Do PAM tools or Rilam have ads?

Neither PAM tools nor Rilam shows ads.

### Which is updated more often, PAM tools or Rilam?

PAM tools ships an update every 5 months, and Rilam every 2 months. Most recently, PAM tools was updated on September 29, 2026 and Rilam on October 9, 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.*