# Activity Tracking System vs GanttMaster

The clearest difference is in-app purchases: Activity Tracking System at none against GanttMaster's 2. Activity Tracking System also leads on iOS requirement (13.0 vs 15.1). GanttMaster's advantage is update cadence (every 6 days vs every 9 months). On price, ads 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. Activity Tracking System asks for nothing beyond the download.

Activity Tracking System ships an update every 9 months, GanttMaster every 6 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Activity Tracking System | GanttMaster |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 50 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PROTEK YAZILIM SISTEM DANISMANLIK BILG. SAN. VE TIC. LTD. STI.](https://appshunter.io/developer/1729332436) | [Meva Aise Onyurt](https://appshunter.io/developer/1813218364) |

## What reviewers say

### Activity Tracking System

[App page](https://appshunter.io/ios/app/activity-tracking-system/id6670606350)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Activity Tracking System free?

Activity Tracking System is free to download, with no in-app purchases.

### Is GanttMaster free?

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

### Do Activity Tracking System or GanttMaster have ads?

Both Activity Tracking System and GanttMaster show ads.

### Which is updated more often, Activity Tracking System or GanttMaster?

Activity Tracking System ships an update every 9 months, and GanttMaster every 6 days. Most recently, Activity Tracking System was updated on October 4, 2026 and GanttMaster on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*