# TRUE ECHO — APG's TRUE ECHO

> APG's TRUE ECHO (iPhone/iPad app by Automation Products Group, Inc..)

- Source: https://appshunter.io/ios/app/true-echo/id6499439334 (this page in markdown: same URL + `.md`)
- Developer: [Automation Products Group, Inc.](https://appshunter.io/developer/1743432892)
- Category: Business, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 29 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2024-06-20
- Data updated: 2026-07-30
- User reviews in markdown: https://appshunter.io/ios/app/true-echo/id6499439334/reviews.md

## What is TRUE ECHO?

Easily setup your APG TRUE ECHO® Radar via Bluetooth for your level application. 
Connect to your radar level sensor to read measurements, change settings, and optimize the performance of your radar. 
For complete TRUE ECHO app instructions with setting descriptions and recommended uses, go to https://www.apgsensors.com/wp-content/uploads/2024/06/TRUE-ECHO-CR-L.pdf 
  
For help, contact our sales team at sales@apgsensors.com or call (888) 525-7300 or (435) 753-7300


## Version history (last 5 releases)

### 3.1.35 — 2026-07-28

Fix filling and emptying rate when using ft as the unit

### 3.1.33 — 2026-07-21

Added factory reset and backup / restore features. Added enhanced measurement capability for foam and liquid agitation.

### 3.1.22 — 2026-02-14

- We strive for continuous improvement, and this release is no exception
- Copy update; our word-wizards and copy-cats decided to play a game of move the letters
- Our resident engineers decided to show off some edge-cases, so we smoothed those edges down

### 3.1.20 — 2026-01-28

We've been busy fine-tuning features and this release is all about internal application clean up and smoothing out a couple of user-facing rough edges

### 3.1.19 — 2026-01-16

We've been optimizing, fine-tuning, and changing little things here and there to give you a better experience and better data.
This build features:
- Initial sensor read-and-cache, a little delay at first but a lot of speed after
- Age-rating compliance, everyone needs STEM and now we have a shiny new sticker on the listing to show it!
- Good vibes, karma, and care

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## More apps by Automation Products Group, Inc.

- [APG Scout Communicator](https://appshunter.io/ios/app/apg-scout-communicator/id6741690341)

All apps by Automation Products Group, Inc.: https://appshunter.io/developer/1743432892

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-30.*