# Don't Break The Chain! vs NSD PRO

The clearest difference is in-app purchases: NSD PRO at none against Don't Break The Chain!'s 4. NSD PRO also leads on ads (none vs shown). Don't Break The Chain!'s advantage is iOS requirement (12.0 vs 16.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Don't Break The Chain! sells 4 one-off in-app purchases. NSD PRO asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Don't Break The Chain! | NSD PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.4K ratings)](https://appshunter.io/ios/app/dont-break-the-chain/id313567772/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 83.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 32 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ROUGE41](https://appshunter.io/developer/310426702) | [Natural Stone Design Corp](https://appshunter.io/developer/1617672009) |

## What reviewers say

### Don't Break The Chain!

[App page](https://appshunter.io/ios/app/dont-break-the-chain/id313567772)

This app helps you build positive habits and achieve your goals by visually tracking your progress. Mark each day you complete a task towards your objective on a calendar, creating a chain of 'X's. The goal is to never break the chain, fostering consistent effort and motivation.

**Highlights:** Visual goal tracking with a calendar, Daily task commitment marking, Habit formation and bad habit breaking, Clean and intuitive interface, Motivation technique for goal achievement

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Go Pro! | $5.99 | one-time |
| Large Tip | $11.99 | one-time |

**What reviewers like**

- 👍 Simple and effective
- 🚀 Motivating and helps build habits
- 💡 Visually appealing calendar view
- 🔒 No ads or subscriptions
- 🚀 Easy to use and straightforward

**What reviewers complain about**

- 🔒 Limited to one chain/goal in free version
- 💡 Lack of customization options
- 💡 No ability to track multiple goals
- 🐛 Compatibility issues with iOS 13 updates

**Reported bugs**

- App crashes on launch after iOS 13 update
- Calendar view not properly scaling on larger screens

**Requested features**

- Add ability to track multiple chains/goals
- Implement customization options for colors, fonts, etc.
- Introduce reminders and notifications
- Add option to view progress over longer time periods (years)
- Integrate with other productivity/fitness apps


### NSD PRO

[App page](https://appshunter.io/ios/app/nsd-pro/id6443476979)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Don't Break The Chain! free?

Don't Break The Chain! is free to download, with in-app purchases available.

### Is NSD PRO free?

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

### Do Don't Break The Chain! or NSD PRO have ads?

Don't Break The Chain! shows ads; NSD PRO does not.

### Which is updated more often, Don't Break The Chain! or NSD PRO?

Don't Break The Chain! ships an update every 3 months, and NSD PRO every 3 months. Most recently, Don't Break The Chain! was updated on October 24, 2026 and NSD PRO on October 13, 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.*