# smart pellet stove vs DFF app

The clearest difference is update cadence: smart pellet stove at every 20 months against DFF app's every 42 months. DFF app's advantage is iOS requirement (12.0 vs 14.0). 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.

smart pellet stove ships an update every 20 months, DFF app every 42 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | smart pellet stove | DFF app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/smart-pellet-stove/id1494705276/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 20 months** | Every 42 months |
| Monetization | Free | — |
| Size | 206 MB | 32 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ZHEJIANG ZHONGLI HEAT ENERGY CO.,LTD](https://appshunter.io/developer/1477854321) | [Duepi Group srl](https://appshunter.io/developer/979524896) |

## What reviewers say

### smart pellet stove

[App page](https://appshunter.io/ios/app/smart-pellet-stove/id1494705276)

Control your pellet stove remotely from anywhere, saving time and fuel. Easily connect and manage multiple stoves with a clear interface. Share device access with family members for convenient operation.

**Highlights:** Remote stove control, Time and fuel saving, Easy stove connection, Multiple operating modes, Device sharing with family, Clear management interface

**Features:** Vision Pro support

**In-app purchases:** none


### DFF app

[App page](https://appshunter.io/ios/app/dff-app/id1534583111)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is smart pellet stove free?

smart pellet stove is free to download, with no in-app purchases.

### Is DFF app free?

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

### Do smart pellet stove or DFF app have ads?

Neither smart pellet stove nor DFF app shows ads.

### Which is updated more often, smart pellet stove or DFF app?

smart pellet stove ships an update every 20 months, and DFF app every 42 months. Most recently, smart pellet stove was updated on October 21, 2026 and DFF app on October 15, 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.*