# FLA3 NET ZERO vs Charnwood Control

The clearest difference is review sentiment: Charnwood Control at 100% against FLA3 NET ZERO's 0%. FLA3 NET ZERO's advantage is iOS requirement (11.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FLA3 NET ZERO ships an update every 2 months, Charnwood Control every 3 months. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | FLA3 NET ZERO | Charnwood Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/charnwood-control/id6447141481/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 43 MB | 5 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Planika Sp. z o.o](https://appshunter.io/developer/1297232632) | [A.J.Wells & Sons Ltd](https://appshunter.io/developer/1680416049) |

## What reviewers say

### FLA3 NET ZERO

[App page](https://appshunter.io/ios/app/fla3-net-zero/id1582126677)

Control your bio-fireplace remotely from your mobile device. Adjust flame levels, turn the unit on/off, and monitor its status and fuel levels with an intuitive interface.

**Highlights:** Remote fireplace control, Adjust flame height, Turn on/off with one tap, Set default flame level, Panel lock for access control, Check device status and errors, Monitor fuel level

**Features:** macOS Compatibility

**In-app purchases:** none


### Charnwood Control

[App page](https://appshunter.io/ios/app/charnwood-control/id6447141481)

Effortlessly manage your compatible wood-burning stove with this smart controller. It automatically adjusts the fire for optimal efficiency and reduced emissions, sending you alerts when it's time to refuel. Simply load, light, and relax.

**Highlights:** Automatic stove operation, Real-time fire adjustments, Optimized efficiency, Reduced emissions, Refuelling alerts, Adjustable output levels

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FLA3 NET ZERO free?

FLA3 NET ZERO is free to download, with no in-app purchases.

### Is Charnwood Control free?

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

### Do FLA3 NET ZERO or Charnwood Control have ads?

Neither FLA3 NET ZERO nor Charnwood Control shows ads.

### Which is updated more often, FLA3 NET ZERO or Charnwood Control?

FLA3 NET ZERO ships an update every 2 months, and Charnwood Control every 3 months. Most recently, FLA3 NET ZERO was updated on September 8, 2026 and Charnwood Control on June 1, 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.*