# SAGE® by Armstrong vs EB

The clearest difference is rating: EB at 5.0 against SAGE® by Armstrong's 4.4. SAGE® by Armstrong's advantage is update cadence (every 2 months vs every 3 months) and ratings volume (22 vs 7). On price, ads, in-app purchases and monetization model there is nothing between them.

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

EB holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 22 and 7 respectively.

SAGE® by Armstrong ships an update every 2 months, EB every 3 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | SAGE® by Armstrong | EB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (22 ratings)](https://appshunter.io/ios/app/sage-by-armstrong/id1030781134/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/eb-link/id1254019997/reviews)** |
| Number of ratings | **22** | 7 |
| Positive 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 | 55 MB | 63 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Armstrong International, Inc.](https://appshunter.io/developer/1030781133) | [Ebtron Inc.](https://appshunter.io/developer/1254019996) |

## What reviewers say

### SAGE® by Armstrong

[App page](https://appshunter.io/ios/app/sage-by-armstrong/id1030781134)

Manage steam traps and digital domestic hot water systems with this native Apple application. Perform surveys offline, connect directly to compatible devices via Bluetooth, and sync data to the cloud when a network is available.

**Highlights:** Steam trap surveys, Digital hot water system management, Offline data collection, Bluetooth (BLE) device communication, Real-time monitoring, Alarm configuration

**Features:** Vision Pro support

**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 SAGE® by Armstrong free?

SAGE® by Armstrong 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, SAGE® by Armstrong or EB?

EB is rated higher. SAGE® by Armstrong averages 4.4 out of 5 from 22 ratings, while EB averages 5.0 from 7 ratings.

### Do SAGE® by Armstrong or EB have ads?

Neither SAGE® by Armstrong nor EB shows ads.

### Which is updated more often, SAGE® by Armstrong or EB?

SAGE® by Armstrong ships an update every 2 months, and EB every 3 months. Most recently, SAGE® by Armstrong was updated on November 6, 2026 and EB on November 2, 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.*