Comparison

Gantt Viewer vs Tasks Wizard

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

Tasks Wizard

This app helps teams plan and manage projects using visual Gantt charts and task boards. It allows for detailed task assignment, progress tracking, and team collaboration, ensuring projects stay on track. Projects can be viewed and managed offline, with changes syncing automatically when a connection is re-established.

Highlights
  • Gantt chart project planning
  • Task assignment and progress tracking
  • Team workload visualization
  • Offline access and iCloud sync
  • Multiple project views (Board, Calendar, Outline)
  • Project status reporting and export
Features
Read full description

Tasks Wizard turns any project – a kitchen remodel, a product launch, a wedding or a client job – into a clear plan your whole team can follow. Break the work down, schedule it on a real Gantt chart, assign people and see at a glance what’s on track and what needs attention. On iPhone, iPad and Mac. SEE YOUR PROJECT AT A GLANCE • Overview shows progress, days left, what’s overdue and what’s next • Track planned vs. actual time, cost and materials – overruns are flagged automatically • My Work lists everything assigned to you, sorted by due date PLAN WITH A REAL GANTT CHART • Timeline with phases, subtasks, milestones and dependencies • Drag bars to reschedule and resize – dependent tasks follow • Zoom between days, weeks and months • Work Days: define your working week and holidays; schedules skip days off automatically ORGANIZE WORK YOUR WAY • Board: move tasks from To Do to In Progress to Done • Calendar: every task on a month view, days off included • Outline: your work breakdown as an expandable tree – drag to reorganize, numbering updates itself • Task List: search, filter by priority or person, sort by date, progress or priority LEAD YOUR TEAM • Workload: a week board of who does what – spot overloaded days and fix them with drag and drop • Team members with photos – add them straight from Contacts • Share individual tasks with people outside your team through iCloud; they update progress from their own device EVERY DETAIL IN ONE PLACE • Dates, priority, assignee, progress, notes and history for every task • Attach photos and mark them up • Dependencies with finish-to-start and other constraints ALWAYS IN SYNC • iCloud sync keeps your projects up to date on all your devices • Works offline – changes sync as soon as you’re back online • Backup and restore your projects SHARE YOUR PLANS • E-mail a polished project status report or the full task list • Export a project file to share with other Tasks Wizard users • Print your Gantt chart or save it as PDF MADE FOR EVERY DEVICE • Designed for iPhone, iPad and Mac, with a sidebar, keyboard shortcuts and Quick Open on iPad and Mac • Home Screen widget with your upcoming tasks • Available in English, German, French, Spanish, Italian, Portuguese, Russian, Japanese, Korean and Chinese (Simplified and Traditional) START FREE Tasks Wizard is free to download and try. A subscription unlocks unlimited projects and tasks, with a free trial for new subscribers. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple Account at confirmation of purchase. You can manage or cancel your subscription in your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://oxigenator.com/privacy

Screenshots

Tasks Wizard4 screens

Verdict

The call

The clearest difference is review sentiment: Tasks Wizard at 71% against Gantt Viewer's 0%. Tasks Wizard also leads on rating (3.8 vs 1.0) and ratings volume (38 vs 2). Gantt Viewer's advantage is ads (none vs shown) and iOS requirement (8.0 vs 15.6). 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 Tasks Wizard sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tasks Wizard holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: Tasks Wizard has 38 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Gantt Viewer's written reviews are positive against 71% of Tasks Wizard's.

UpkeepUpdate frequency

Gantt Viewer ships an update every 5 months, Tasks Wizard every 2 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

Scorecard7 real differences · 3 level
Gantt Viewer versus Tasks Wizard: the parameters behind the verdict, then further details
ParameterGantt ViewerTasks Wizard
PriceFreeFree
Rating1.0 (2 ratings)3.8 (38 ratings) — better
Positive reviews0.0% of reviews70.6% of reviews — better
Number of ratings238 — better
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPadiPhone, iPad, iPod, Mac — better
Requires iOS8.0 — better15.6
Further details — not scored
Size17 MB10 MB
Age rating4+4+
DeveloperArtezio LLCOXiGENATOR LLC

Customer experience

Gantt Viewer

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

Tasks Wizard

All ratings38 ratings
Positive68.4%
Neutral10.5%
Negative21.1%
Written reviews17 reviews
Positive70.6%
Neutral11.8%
Negative17.6%

In-app purchases

1 purchases

Gantt Viewer

One-time1
  • Gantt Viewer full versionFree
2 purchases

Tasks Wizard

Subscriptions2
  • Standard Subscription7 Days trial$2.991 Month
  • Standard Subscription$29.991 Year

Questions

Is Gantt Viewer free?
Gantt Viewer is free to download, with in-app purchases available.
Is Tasks Wizard free?
Tasks Wizard is free to download, with in-app purchases available.
Which has better reviews, Gantt Viewer or Tasks Wizard?
Tasks Wizard is rated higher. Gantt Viewer averages 1.0 out of 5 from 2 ratings, while Tasks Wizard averages 3.8 from 38 ratings.
Do Gantt Viewer or Tasks Wizard have ads?
Tasks Wizard shows ads; Gantt Viewer does not.
Which is updated more often, Gantt Viewer or Tasks Wizard?
Gantt Viewer ships an update every 5 months, and Tasks Wizard every 2 months. Most recently, Gantt Viewer was updated on November 1, 2026 and Tasks Wizard on November 11, 2026.

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