# Du Contracts vs Habit Stacker App

The clearest difference is iOS requirement: Du Contracts at 13.0 against Habit Stacker App's 15.6. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Du Contracts against 5.0 for Habit Stacker App. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Du Contracts ships an update every 3 days, Habit Stacker App every 2 days. The most recent releases landed on September 16, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | Du Contracts | Habit Stacker App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/du-contracts/id6754901448/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/habit-stacker-app/id6792957749/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free | Free |
| Size | 19 MB | 4 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dylan Kramer](https://appshunter.io/developer/1850870205) | [John Picasso](https://appshunter.io/developer/6792957751) |

## What reviewers say

### 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


### Habit Stacker App

[App page](https://appshunter.io/ios/app/habit-stacker-app/id6792957749)

This app helps you build new routines by linking them to existing daily habits. Track your progress and watch your streaks grow as you consistently achieve your goals.

**Highlights:** Habit stacking technique, Streak tracking, Habit leveling system, Custom habit addition, Daily routine integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Du Contracts free?

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

### Is Habit Stacker App free?

Habit Stacker App is free to download, with no in-app purchases.

### Which has better reviews, Du Contracts or Habit Stacker App?

Du Contracts and Habit Stacker App are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Du Contracts or Habit Stacker App have ads?

Neither Du Contracts nor Habit Stacker App shows ads.

### Which is updated more often, Du Contracts or Habit Stacker App?

Du Contracts ships an update every 3 days, and Habit Stacker App every 2 days. Most recently, Du Contracts was updated on September 16, 2026 and Habit Stacker App on August 27, 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.*