# Griswold Controls vs EB

The clearest difference is iOS requirement: Griswold Controls at 8.0 against EB's 16.0. On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Griswold Controls against 5.0 for EB. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Griswold Controls ships an update every 2 months, EB every 3 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Griswold Controls | EB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/griswold-controls/id945593779/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/eb-link/id1254019997/reviews) |
| Number of ratings | 4 | **7** |
| Positive reviews | 100.0% 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 | 2 MB | 63 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Griswold Controls](https://appshunter.io/developer/608685694) | [Ebtron Inc.](https://appshunter.io/developer/1254019996) |

## What reviewers say

### Griswold Controls

[App page](https://appshunter.io/ios/app/griswold-controls/id945593779)

This application assists users in selecting and sizing specific valves for HVAC systems. It supports Griswold QuickSet® Manual Balance Valves, as well as Unimizer® and Automizer® actuated ball valves.

**Highlights:** Valve sizing, Product selection, QuickSet® Manual Balance Valves, Actuated Ball Valves, Unimizer® support, Automizer® support

**Features:** macOS Compatibility

**In-app purchases:** none


### EB

[App page](https://appshunter.io/ios/app/eb-link/id1254019997)

This app facilitates communication with specific airflow transmitters via Bluetooth. It allows users to view real-time airflow and temperature data, capture complete traverse data, and save it for emailing as a text file.

**Highlights:** Bluetooth communication with transmitters, Real-time airflow and temperature data, Complete traverse data capture, Data saving to phone, Email data as text file

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Griswold Controls free?

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

### Is EB free?

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

### Which has better reviews, Griswold Controls or EB?

Griswold Controls and EB are both rated 5.0 out of 5 on the App Store, from 4 and 7 ratings respectively.

### Do Griswold Controls or EB have ads?

Neither Griswold Controls nor EB shows ads.

### Which is updated more often, Griswold Controls or EB?

Griswold Controls ships an update every 2 months, and EB every 3 months. Most recently, Griswold Controls was updated on October 14, 2026 and EB on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*