# CertSuite vs Niagara 4Valve Controller

The clearest difference is update cadence: CertSuite at fortnightly against Niagara 4Valve Controller's every 2 months. 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.

CertSuite ships an update fortnightly, Niagara 4Valve Controller every 2 months. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CertSuite | Niagara 4Valve Controller |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 125 MB | 27 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Megger](https://appshunter.io/developer/557595194) | [Niagara Automation](https://appshunter.io/developer/1459220336) |

## What reviewers say

### CertSuite

[App page](https://appshunter.io/ios/app/certsuite/id1567220288)

This app assists electricians and inspectors in generating professional reports and certificates for various electrical installations. It supports standards like BS7671, Amendment 2, and specific certifications for EV charging, fire alarms, and emergency lighting. It requires login credentials from a company account.

**Highlights:** Generate electrical reports and certificates, Supports BS7671 and Amendment 2, Certifies EV charging points, Includes fire alarm and emergency lighting reports, Companion to cloud-based service

**Features:** Vision Pro support

**In-app purchases:** none


### Niagara 4Valve Controller

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CertSuite free?

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

### Is Niagara 4Valve Controller free?

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

### Do CertSuite or Niagara 4Valve Controller have ads?

Neither CertSuite nor Niagara 4Valve Controller shows ads.

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

CertSuite ships an update fortnightly, and Niagara 4Valve Controller every 2 months. Most recently, CertSuite was updated on October 13, 2026 and Niagara 4Valve Controller on September 27, 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.*