# EchoSense vs Percepta

The clearest difference is update cadence: Percepta at every 4 days against EchoSense's every 5 months. EchoSense's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

EchoSense ships an update every 5 months, Percepta every 4 days. The most recent releases landed on September 12, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | EchoSense | Percepta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 18 MB | 21 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [K12 Ventures Foundation, Inc.](https://appshunter.io/developer/1665403820) | [Ahan Nithin](https://appshunter.io/developer/6778949339) |

## What reviewers say

### EchoSense

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

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

**In-app purchases:** none


### Percepta

[App page](https://appshunter.io/ios/app/percepta-expression-reader/id6778949337)

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

**In-app purchases:** none


## Frequently asked questions

### Is EchoSense free?

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

### Is Percepta free?

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

### Do EchoSense or Percepta have ads?

Neither EchoSense nor Percepta shows ads.

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

EchoSense ships an update every 5 months, and Percepta every 4 days. Most recently, EchoSense was updated on September 12, 2026 and Percepta on August 12, 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.*