# INVmate II vs FFD

The clearest difference is update cadence: FFD at every 4 weeks against INVmate II's every 7 months. INVmate II's advantage is iOS requirement (13.0 vs 15.6). 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.

INVmate II ships an update every 7 months, FFD every 4 weeks. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | INVmate II | FFD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/invmate-ii/id1109243423/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 19.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 70 MB | 49 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Inventor](https://appshunter.io/developer/1109243422) | [迪 宋](https://appshunter.io/developer/1564385709) |

## What reviewers say

### INVmate II

[App page](https://appshunter.io/ios/app/invmate-ii/id1109243423)

This app showcases a company's commitment to innovation and reliability in electric equipment. It highlights their dedication to high-quality products, consumer needs, and environmental consciousness, aiming to enhance living standards globally.

**Highlights:** Company history and evolution, Core business principles, Product categories, Global presence and partnerships, Commitment to quality and environment

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy setup
- 🚀 App works well
- 💡 Useful features like timer and notifications

**What reviewers complain about**

- 🐛 Frequent disconnections and login issues
- 🐛 App crashes and bugs
- 🔍 Limited functionality compared to device settings
- 📺 Small text and UI elements

**Reported bugs**

- Inability to add/remove devices
- Unreliable Wi-Fi connectivity
- Frequent log-outs and login issues

**Requested features**

- Homekit and Alexa integration
- Humidity history and analytics
- Widget and Siri Shortcuts support


### FFD

[App page](https://appshunter.io/ios/app/ffd-power/id6782750243)

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

**In-app purchases:** none


## Frequently asked questions

### Is INVmate II free?

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

### Is FFD free?

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

### Do INVmate II or FFD have ads?

Neither INVmate II nor FFD shows ads.

### Which is updated more often, INVmate II or FFD?

INVmate II ships an update every 7 months, and FFD every 4 weeks. Most recently, INVmate II was updated on October 13, 2026 and FFD on October 19, 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.*