# 3rd Brain | Couples Organizer vs ECHO

The clearest difference is update cadence: ECHO at every 3 days against 3rd Brain | Couples Organizer's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 3rd Brain | Couples Organizer sells 1 in-app purchase, starting at $7.99 per month and ECHO sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

3rd Brain | Couples Organizer ships an update weekly, ECHO every 3 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 3rd Brain | Couples Organizer | ECHO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/3rd-brain-couples-organizer/id6476935088/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 44 MB | 22 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [3rd Brain, Inc](https://appshunter.io/developer/1728321268) | [LIANG SHAN](https://appshunter.io/developer/1882595154) |

## What reviewers say

### 3rd Brain | Couples Organizer

[App page](https://appshunter.io/ios/app/3rd-brain-couples-organizer/id6476935088)

This AI-powered productivity tool helps couples manage shared tasks, lists, and notes. It organizes information, assigns ownership, and allows for private entries, fostering better communication and appreciation.

**Highlights:** AI-powered task organization, Shared and private lists, Daily focus tab, Mutual appreciation features, Secure and private data

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3rd Brain Access | $7.99 | per month |


### ECHO

[App page](https://appshunter.io/ios/app/echo-case-reflection/id6760090490)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Credits | $12.99 | one-time |
| 50 Credits | $51.99 | one-time |
| 100 Credits | $90.99 | one-time |
| ECHO License | $149.00 | one-time |


## Frequently asked questions

### Is 3rd Brain | Couples Organizer free?

3rd Brain | Couples Organizer is free to download, with in-app purchases available.

### Is ECHO free?

ECHO is free to download, with in-app purchases available.

### Do 3rd Brain | Couples Organizer or ECHO have ads?

Neither 3rd Brain | Couples Organizer nor ECHO shows ads.

### Which is updated more often, 3rd Brain | Couples Organizer or ECHO?

3rd Brain | Couples Organizer ships an update weekly, and ECHO every 3 days. Most recently, 3rd Brain | Couples Organizer was updated on October 20, 2026 and ECHO on October 24, 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.*