# PAM tools vs GREE+

The clearest difference is update cadence: GREE+ at every 3 weeks against PAM tools's every 5 months. GREE+ also leads on review sentiment (49% vs 33%). On price, ads, in-app purchases and monetization model 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, GREE+ every 3 weeks. The most recent releases landed on August 18, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | PAM tools | GREE+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (15K ratings)](https://appshunter.io/ios/app/gree-plus/id1167857672/reviews)** |
| Number of ratings | — | **15K** |
| Positive reviews | 33.3% of reviews | **49.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 24 MB | 313 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Saint-Gobain](https://appshunter.io/developer/543924473) | [GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI](https://appshunter.io/developer/652018839) |

## 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


### GREE+

[App page](https://appshunter.io/ios/app/gree-plus/id1167857672)

This application offers intelligent control and management for smart home appliances. It allows users to easily add devices to a unified ecosystem, control them remotely from anywhere, and monitor their real-time status. The app aims to simplify daily life through smart technology integration.

**Highlights:** Intelligent appliance management, Remote control from anywhere, Real-time device status monitoring, Easy addition to smart ecosystem, Unified device management

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

**In-app purchases:** none

**What reviewers like**

- 💻 User-friendly
- 🚀 Easy setup
- 📱 Convenient remote control
- ⚙️ Reliable functionality

**What reviewers complain about**

- 🐛 Frequent disconnections
- 🔍 Difficult to add/manage multiple devices
- 🔒 Compatibility issues with WiFi/network
- 📱 Unstable app performance
- 🗺️ Limited regional support

**Reported bugs**

- App crashes or freezes
- Devices disappear from app
- Timer functions not working as expected
- Login/account issues
- Incompatibility with newer OS versions

**Requested features**

- Display current room temperature
- Add scheduling/timer options
- Integrate with smart home platforms
- Improve app UI/UX
- Provide better customer support


## Frequently asked questions

### Is PAM tools free?

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

### Is GREE+ free?

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

### Do PAM tools or GREE+ have ads?

Neither PAM tools nor GREE+ shows ads.

### Which is updated more often, PAM tools or GREE+?

PAM tools ships an update every 5 months, and GREE+ every 3 weeks. Most recently, PAM tools was updated on August 18, 2026 and GREE+ on September 29, 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.*