Comparison

Gantt Viewer vs GanttMaster

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Gantt Viewer

This application allows users to view Microsoft Project files on their mobile devices. It supports various project views, including Gantt charts and resource usage, with intuitive touch gestures for navigation. Projects can be added from external sources like email and cloud storage.

Highlights
  • View Microsoft Project files (MPP/MPPX)
  • Gantt Chart, Resource Usage, Task Usage views
  • Touch-based navigation with gestures
  • Add projects from Email, Dropbox, etc.
  • Direct access from cloud storage
Features
Read full description

Gantt Viewer is a professional viewer app for Microsoft Project (MPP/MPX) files. The app can easily display small and large project files. Gantt Viewer provides many useful views including tasks, resources, gantt chart and work. The app was developed for touch-based navigation and provides many useful gestures. List of features: * Projects - add projects from external apps like Email, DropBox and other. Keep your favorite projects in the app and view them any time. * Views - display project data in Gantt Chart, Resource Usage and Task Usage views. * Gestures - there are many useful gestures to navigate project data, change view mode and time scale, get details about tasks and resources. * Formats - Gantt Viewer works with the most of the Microsoft Projects (MPP/MPPX) formats. * DropBox - login with your DropBox account and open projects directly from your online storage. Gantt Viewer was developed to let people be more mobile especially when they need to work with their projects and can not spend time at the office.

About

GanttMaster

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
Read full description

Manage projects with your whole team. No extra cost for additional team members. Plan smarter. Track better. Collaborate faster with GanttMaster. GanttMaster is a powerful, easy-to-use project management app built for teams, freelancers, startups, and businesses of any size. Unlike many project management tools that charge for every additional team member, GanttMaster lets you collaborate without worrying about growing per-seat costs. And because projects don’t only happen at your desk, GanttMaster keeps your tasks, timelines, team, reminders, risks, and budgets with you wherever work happens. Project Management On the Go Manage projects from your phone or tablet wherever you are. Check today’s priorities, update tasks, review your Gantt timeline, collaborate with your team, and keep projects moving even when you’re away from your desk. Interactive Gantt Project Timeline Visualize your entire project with clear, dynamic Gantt charts. Track: • Tasks and subtasks • Project schedules • Milestones • Start and due dates • Task dependencies • Project progress GanttMaster supports major dependency types including Finish-to-Start, Start-to-Start, and Finish-to-Finish. Task & Subtask Management Create tasks and subtasks, set priorities, assign responsibilities, and track progress in real time. Keep both simple projects and complex workflows organized in one place. Today View, Daily Tasks & Reminders Stay focused on what matters today. Create personal daily tasks, review project tasks due today, and set reminders so important work doesn’t get forgotten. Team Collaboration Bring your team into one centralized workspace. • Assign tasks • Add comments • Share file links • Track updates • Organize teams and responsibilities Collaborate without adding extra cost for every project seat. Project Risk Management Identify and track project risks before they become bigger problems. Add risk categories, likelihood, impact, mitigation plans, owners, and due dates to keep your projects under control. Budget & Expense Tracking Keep project finances visible alongside your work. Set project budgets, record expenses, organize costs by category, and monitor remaining budget directly from your project. Real-Time Notifications Stay informed about important project activity including task updates, comments, assignments, deadlines, and reminders. Role-Based Access Organize project responsibilities with roles such as Project Manager, Team Manager, and User. Control how different team members participate in your projects. Project Templates Start new projects faster by reusing existing project structures. Templates can include tasks, subtasks, schedules, and project workflows, helping you reduce repetitive setup work and maintain consistency. Why Choose GanttMaster? GanttMaster combines the essential tools you need to plan and manage projects without unnecessary complexity. • No extra cost per project seat • Project management on the go • Interactive Gantt charts • Task and subtask management • Daily planning and reminders • Team collaboration • Risk management • Budget and expense tracking • Project templates • Real-time notifications Whether you’re managing a startup, a client project, a remote team, or your own business, GanttMaster helps you keep everyone aligned and every project moving forward. Your projects. Your whole team. Wherever work happens. Start managing projects smarter with GanttMaster. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ganttmaster.com/privacy.html

Screenshots

GanttMaster4 screens

Verdict

The call

The clearest difference is review sentiment: GanttMaster at 100% against Gantt Viewer's 0%. GanttMaster also leads on update cadence (weekly vs every 5 months) and device support (3 vs 1). Gantt Viewer's advantage is ads (none vs shown) and iOS requirement (8.0 vs 15.1). On price, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Gantt Viewer sells 1 one-off in-app purchase and GanttMaster sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Gantt Viewer ships an update every 5 months, GanttMaster weekly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Gantt Viewer versus GanttMaster: the parameters behind the verdict, then further details
ParameterGantt ViewerGanttMaster
PriceFreeFree
Rating1.0 (2 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 5 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better15.1
Further details — not scored
Size17 MB48 MB
Age rating4+4+
DeveloperArtezio LLCMeva Aise Onyurt

Customer experience

Gantt Viewer

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

GanttMaster

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Gantt Viewer

One-time1
  • Gantt Viewer full versionFree
2 purchases

GanttMaster

Subscriptions2
  • Monthly Subscription7 Days trial$5.991 Month
  • Premium Annual7 Days trial$34.991 Year

Questions

Is Gantt Viewer free?
Gantt Viewer is free to download, with in-app purchases available.
Is GanttMaster free?
GanttMaster is free to download, with in-app purchases available.
Do Gantt Viewer or GanttMaster have ads?
GanttMaster shows ads; Gantt Viewer does not.
Which is updated more often, Gantt Viewer or GanttMaster?
Gantt Viewer ships an update every 5 months, and GanttMaster weekly. Most recently, Gantt Viewer was updated on November 1, 2026 and GanttMaster on October 30, 2026.

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