# RandomIdea vs Du Contracts

The clearest difference is in-app purchases: Du Contracts at none against RandomIdea's 2. Du Contracts also leads on ads (none vs shown) and update cadence (every 3 days vs every 18 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. RandomIdea sells 2 in-app purchases, starting at $4.99 per month. Du Contracts asks for nothing beyond the download.

RandomIdea ships an update every 18 months, Du Contracts every 3 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RandomIdea | 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 26 MB | 19 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Dylan Kramer](https://appshunter.io/developer/1850870205) |

## What reviewers say

### RandomIdea

[App page](https://appshunter.io/ios/app/randomidea-random-idea-di/id6689513139)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


### 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 RandomIdea free?

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

### Is Du Contracts free?

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

### Do RandomIdea or Du Contracts have ads?

RandomIdea shows ads; Du Contracts does not.

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

RandomIdea ships an update every 18 months, and Du Contracts every 3 days. Most recently, RandomIdea was updated on October 9, 2026 and Du Contracts on October 3, 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.*