# PAM tools vs CarbitLink

The clearest difference is in-app purchases: PAM tools at none against CarbitLink's 7. PAM tools also leads on review sentiment (33% vs 5%) and device support (3 vs 1). CarbitLink's advantage is update cadence (every 2 months vs every 5 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. CarbitLink sells 7 in-app purchases, starting at $1.99 per month. PAM tools asks for nothing beyond the download.

PAM tools ships an update every 5 months, CarbitLink every 2 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | PAM tools | CarbitLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (166 ratings)](https://appshunter.io/ios/app/carbitlink-easyconnection/id1476025261/reviews)** |
| Number of ratings | — | **166** |
| Positive reviews | **33.3% of reviews** | 5.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 138 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Saint-Gobain](https://appshunter.io/developer/543924473) | [亿连(武汉)科技有限公司](https://appshunter.io/developer/1375522639) |

## 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


### CarbitLink

[App page](https://appshunter.io/ios/app/carbitlink-easyconnection/id1476025261)

This app mirrors your phone's screen to your car's display, offering features like online navigation, music, and video playback for an enhanced driving experience. It also includes essential in-car functions for safer and more convenient travel.

**Highlights:** Phone screen projection to car, Online navigation with route planning, Online music streaming, Online video playback, Local music playback, Phone call integration

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Music | $1.99 | per month |
| Navigation | $2.99 | per month |
| Google maps Navigation | $2.99 | per month |
| Mapbox_Trial | $0.99 | one-time |
| Mapbox_Month | $2.99 | one-time |
| Mapbox_Quarter | $8.99 | one-time |
| Mapbox_Year | $28.99 | one-time |

**What reviewers like**

- 👍 Good application
- 🚀 Nice and fast
- 🚀 Works as expected on Geely

**What reviewers complain about**

- 🐛 The new update made the sound system very bad
- 🐛 Useless and deceitful app
- 🐛 Terrible app
- 🐛 Garbage app
- 🐛 Netflix doesn't work

**Reported bugs**

- Apple Music not working
- Mirroring not working after update
- Can't register the app
- Doesn't work on iOS 16 and newer
- Doesn't work with iPhone

**Requested features**

- Add support for Google Maps or Waze
- Add ability to add apps


## Frequently asked questions

### Is PAM tools free?

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

### Is CarbitLink free?

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

### Do PAM tools or CarbitLink have ads?

Neither PAM tools nor CarbitLink shows ads.

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

PAM tools ships an update every 5 months, and CarbitLink every 2 months. Most recently, PAM tools was updated on October 14, 2026 and CarbitLink on October 17, 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.*