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

Manage personal and small business projects with this task management tool. Visualize progress with Gantt charts and calendars, assign tasks visually, and attach photos. Track time, dates, costs, and materials with detailed project controls.

Highlights
  • Multi-project task management
  • Gantt chart and calendar views
  • Visual task assignment
  • Attach photos to tasks
  • Time, date, and cost tracking
  • Project export and cloning
  • iCloud synchronization
Features
Read full description

Simple, effective multi-project Task Management solution for personal and small business projects. Easy control progress with gantt chart, calendar views. Perform task assignments to team members visually. Attach photos to illustrate task better. Control time, dates, cost and materials. Add predecessors to constraint task execution. Multiple views, including list/search, tree browsing, gantt chart, calendar view. Be notified on task start and finish dates/times. Ability to share tasks with other iCloud users. On Gantt chart tasks can be visually edited (moved and/or stretched). Relationship between tasks will be show with arrow. Gantt chart shows one of three planned vs. actual metrics: time, cost or completion. Tasks can be re-sequenced (single or groups) when switch on edit mode on a Gantt view. Projects can be exported via standard sharing means of iOS. Exported project will include all information, including involved team members. Export file will also include project photos if their total size is small enough to make attachment "mailable". User may select the compression ratio to make photos small in size. Existing or template projects can be cloned (copied) Quick glance to overdue or late tasks can be done via use of iOS Today Extension. Data can be shared via iCloud on multiple devices to be automatically synchronized. iCloud can also be used for data backups. App is available in following native languages: English, Russian, Italian, German, French, Spanish, Portuguese, Chinese (Traditional and Simplified), Japanese and Korean Terms of Use TasksWizard is a subscription-based application. This means that it only can be used with a valid and active subscription. There are two types of auto-renewable subscriptions: monthly (length is 1 month) and annual (length is 12 months). Price for each subscription type is shown in the In-App store page as well as on Apple App Store. Payment for a subscription will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy can be obtained from our website at https://oxigenator.com/products/tasks-wizard-detailed/privacy-policy/ NOTE: In case of purchasing a subscription first time you will be charged only on 8th day (it includes a 7-day free trial). https://oxigenator.com/products/tasks-wizard-detailed/terms-of-use/

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 update cadence (monthly vs every 5 months). Gantt Viewer's advantage is monetization model (free with in-app purchases vs subscription) and ads (none vs shown). On price and in-app purchases 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 monthly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

Scorecard8 real differences · 2 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 monthsMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPadiPhone, iPad, iPod, Mac — better
Requires iOS8.0 — better13.4
Further details — not scored
Size17 MB8 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 monthly. Most recently, Gantt Viewer was updated on October 8, 2026 and Tasks Wizard on October 7, 2026.

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