# Chaos Control™ vs Write2Buy

The clearest difference is price: Chaos Control™ at Free against Write2Buy's $0.99. Chaos Control™ also leads on update cadence (every 3 weeks vs every 15 months) and ratings volume (488 vs 1). Write2Buy's advantage is in-app purchases (none vs 9) and rating (5.0 vs 4.6). On ads and iOS requirement there is nothing between them.

Chaos Control™ is free to download; Write2Buy costs $0.99 up front. Chaos Control™ sells 9 in-app purchases, starting at $3.99 per month. Write2Buy asks for nothing beyond the download.

Write2Buy holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Chaos Control™ has 488 ratings behind it against 1, so its average is the more settled of the two.

Chaos Control™ ships an update every 3 weeks, Write2Buy every 15 months. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Chaos Control™ | Write2Buy |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.6 (488 ratings)](https://appshunter.io/ios/app/chaos-control-gtd-task-list/id591766437/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/write2buy/id816242904/reviews)** |
| Number of ratings | **488** | 1 |
| Positive reviews | 72.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 15 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 318 MB | 1 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tarasov Mobile](https://appshunter.io/developer/547656503) | [Giuseppe Cigala](https://appshunter.io/developer/337940988) |

## What reviewers say

### Chaos Control™

[App page](https://appshunter.io/ios/app/chaos-control-gtd-task-list/id591766437)

This app helps you manage goals, to-do lists, and tasks for both personal and professional life. It's based on the GTD methodology to prioritize outcomes and organize projects, tasks, and ideas efficiently. Seamless syncing across devices ensures your plans are always accessible.

**Highlights:** Goal and project management, GTD-inspired contexts, Daily planning, Chaos Box inbox, Cross-platform sync, Recurring tasks

**Features:** macOS Compatibility, Siri integration, Apple Watch app

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription: 1 Month | $3.99 | per month |
| Premium for 1 month | $6.99 | per month |
| Premium Subscription: 1 Year | $29.00 | per year |
| Premium Subscription: 1 Year | $29.99 | per year |
| "Level Up" e-book | $2.99 | one-time |
| Premium Universal - Tier B | $10.99 | one-time |
| Chaos Control Premium | $18.99 | one-time |
| Premium Universal - Tier C | $20.99 | one-time |
| Premium Universal - Tier A | $79.99 | one-time |

**What reviewers like**

- 👍 Intuitive and easy to use
- 🚀 Streamlined organization
- 💡 Helpful Chaos Box feature
- 🚀 Seamless cross-device sync
- 👍 Clean and attractive interface

**What reviewers complain about**

- 🐛 Crashes and bugs
- 🔒 Sync and login issues
- 💰 Unexpected costs for full features
- 🤔 Lacks some basic GTD functionality

**Reported bugs**

- Tasks disappearing
- Sync failures between devices
- Frequent crashes
- Login problems

**Requested features**

- Calendar integration
- Subtasks and nested projects
- Ability to manually sort tasks
- More customization options
- Email task creation


### Write2Buy

[App page](https://appshunter.io/ios/app/write2buy/id816242904)

Easily create handwritten shopping lists with customizable brush options. Manage products by adding, editing, reordering, and marking them as purchased. Share your lists with others.

**Highlights:** Handwritten list creation, Customizable brush color and size, Add, edit, and reorder products, Select/deselect items, Mark items as purchased, Share shopping lists

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

**In-app purchases:** none


## Frequently asked questions

### Is Chaos Control™ free?

Chaos Control™ is free to download, with in-app purchases available.

### Is Write2Buy free?

Write2Buy costs $0.99, with no in-app purchases.

### Which has better reviews, Chaos Control™ or Write2Buy?

Write2Buy is rated higher. Chaos Control™ averages 4.6 out of 5 from 488 ratings, while Write2Buy averages 5.0 from 1 ratings.

### Do Chaos Control™ or Write2Buy have ads?

Neither Chaos Control™ nor Write2Buy shows ads.

### Which is updated more often, Chaos Control™ or Write2Buy?

Chaos Control™ ships an update every 3 weeks, and Write2Buy every 15 months. Most recently, Chaos Control™ was updated on October 23, 2026 and Write2Buy on October 19, 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.*