# Niagara 4Valve Controller vs LDM Valves

Niagara 4Valve Controller and LDM Valves are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Niagara 4Valve Controller ships an update every 2 months, LDM Valves every 5 months. The most recent releases landed on September 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Niagara 4Valve Controller | LDM Valves |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 27 MB | 37 MB |
| Requires iOS | **14.0** | 15.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Niagara Automation](https://appshunter.io/developer/1459220336) | [LDM, spol. s r.o.](https://appshunter.io/developer/1807390383) |

## What reviewers say

### Niagara 4Valve Controller

[App page](https://appshunter.io/ios/app/niagara-4valve-controller/id1641708221)

**Features:** macOS Compatibility

**In-app purchases:** none


### LDM Valves

[App page](https://appshunter.io/ios/app/ldm-valves/id6744373442)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Niagara 4Valve Controller free?

Niagara 4Valve Controller is free to download, with no in-app purchases.

### Is LDM Valves free?

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

### Do Niagara 4Valve Controller or LDM Valves have ads?

Neither Niagara 4Valve Controller nor LDM Valves shows ads.

### Which is updated more often, Niagara 4Valve Controller or LDM Valves?

Niagara 4Valve Controller ships an update every 2 months, and LDM Valves every 5 months. Most recently, Niagara 4Valve Controller was updated on September 27, 2026 and LDM Valves on October 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.*