# Theia Vision Assistant vs EchoSense

The clearest difference is ads: EchoSense at none against Theia Vision Assistant's shown. Theia Vision Assistant's advantage is update cadence (every 3 weeks vs every 5 months). On price, in-app purchases, device support 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.

Theia Vision Assistant ships an update every 3 weeks, EchoSense every 5 months. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Theia Vision Assistant | EchoSense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 88 MB | 18 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THEIA S.R.L.](https://appshunter.io/developer/1763503680) | [K12 Ventures Foundation, Inc.](https://appshunter.io/developer/1665403820) |

## What reviewers say

### Theia Vision Assistant

[App page](https://appshunter.io/ios/app/theia-vision-assistant/id6642677225)

**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 Theia Vision Assistant free?

Theia Vision Assistant is free to download, with no in-app purchases.

### Is EchoSense free?

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

### Do Theia Vision Assistant or EchoSense have ads?

Theia Vision Assistant shows ads; EchoSense does not.

### Which is updated more often, Theia Vision Assistant or EchoSense?

Theia Vision Assistant ships an update every 3 weeks, and EchoSense every 5 months. Most recently, Theia Vision Assistant was updated on October 18, 2026 and EchoSense on October 16, 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.*