# ABT vs EchoSense

The clearest difference is update cadence: EchoSense at every 5 months against ABT's every 11 months. EchoSense also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

ABT ships an update every 11 months, EchoSense every 5 months. The most recent releases landed on August 1, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | ABT | EchoSense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Size | 97 MB | 18 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Riaan Jonathan van Stryp](https://appshunter.io/developer/1694717174) | [K12 Ventures Foundation, Inc.](https://appshunter.io/developer/1665403820) |

## What reviewers say

### ABT

[App page](https://appshunter.io/ios/app/abt-virtual/id6450747604)

**In-app purchases:** none


### EchoSense

[App page](https://appshunter.io/ios/app/echosense/id6742468000)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ABT free?

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

### Is EchoSense free?

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

### Do ABT or EchoSense have ads?

Neither ABT nor EchoSense shows ads.

### Which is updated more often, ABT or EchoSense?

ABT ships an update every 11 months, and EchoSense every 5 months. Most recently, ABT was updated on August 1, 2026 and EchoSense on September 12, 2026.

---

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