# EchoKeep vs Du Contracts

The clearest difference is update cadence: Du Contracts at every 3 days against EchoKeep's every 6 months. Du Contracts also leads on iOS requirement (13.0 vs 26.6). On price, ads, in-app purchases and device support there is nothing between them.

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

EchoKeep ships an update every 6 months, Du Contracts every 3 days. The most recent releases landed on October 28, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | EchoKeep | Du Contracts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/du-contracts/id6754901448/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 42 MB | 19 MB |
| Requires iOS | 26.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Kasoo Labs Technology Co., Ltd](https://appshunter.io/developer/1761472358) | [Dylan Kramer](https://appshunter.io/developer/1850870205) |

## What reviewers say

### EchoKeep

[App page](https://appshunter.io/ios/app/echokeep-thoughts-in-mind/id6753336417)

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

**In-app purchases:** none


### Du Contracts

[App page](https://appshunter.io/ios/app/du-contracts/id6754901448)

This app helps you build self-trust by creating time-bound "I Will" or "I Won't" commitments. Unfulfilled contracts are visible for a week, serving as a reminder to follow through on your promises to yourself.

**Highlights:** Create "I Will" or "I Won't" contracts, 24-hour contract expiration, Automatic failure tracking, Visible failure reminders, Build self-trust and accountability

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EchoKeep free?

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

### Is Du Contracts free?

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

### Do EchoKeep or Du Contracts have ads?

Neither EchoKeep nor Du Contracts shows ads.

### Which is updated more often, EchoKeep or Du Contracts?

EchoKeep ships an update every 6 months, and Du Contracts every 3 days. Most recently, EchoKeep was updated on October 28, 2026 and Du Contracts on October 20, 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.*