# GanttMaster vs Duefall

The clearest difference is update cadence: GanttMaster at every 6 days against Duefall's every 5 months. GanttMaster also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GanttMaster sells 2 in-app purchases, starting at $5.99 per month and Duefall sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

GanttMaster ships an update every 6 days, Duefall every 5 months. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | GanttMaster | Duefall |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 37 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Meva Aise Onyurt](https://appshunter.io/developer/1813218364) | [Hamza Chaouki](https://appshunter.io/developer/1665786724) |

## What reviewers say

### GanttMaster

[App page](https://appshunter.io/ios/app/ganttmaster-project-manager/id6745624000)

This tool helps teams and individuals plan, track, and collaborate on projects. Visualize timelines with Gantt charts, manage tasks, and gain insights with detailed reports. Ideal for remote teams and businesses of all sizes.

**Highlights:** Task and subtask management, Interactive Gantt project timeline, Team collaboration tools, Mobile-friendly project management, Real-time notifications, Role-based access control, Detailed reports and insights, Advanced task dependencies

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Premium Annual | $34.99 | per year |


### Duefall

[App page](https://appshunter.io/ios/app/duefall-deadline-countdown/id6745624466)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PANIC Plus Monthly | $0.99 | per month |
| PANIC Plus Annual | $4.99 | per year |


## Frequently asked questions

### Is GanttMaster free?

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

### Is Duefall free?

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

### Do GanttMaster or Duefall have ads?

Both GanttMaster and Duefall show ads.

### Which is updated more often, GanttMaster or Duefall?

GanttMaster ships an update every 6 days, and Duefall every 5 months. Most recently, GanttMaster was updated on October 9, 2026 and Duefall on September 29, 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.*