Comparison

viProject vs Deadliner

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

Head to head
About

viProject

Manage complex projects with interactive Gantt charts. Plan, track, and analyze schedules, budgets, and resources. Supports WBS, critical path calculation, and custom calendars for professional project oversight.

Highlights
  • Interactive Gantt charts
  • Project scheduling and WBS
  • Critical path calculation
  • Custom calendars and task constraints
  • Progress tracking (duration, work, % complete)
  • Resource and cost management
  • MS Project XML import/export
Features
Read full description

viProject is a Project Management application that gives you certainty to manage your project. Whatever huge and complex your projects are the impressively functional Gantt Chart allows you to plan, track, analyze, manage scope, schedule&budget of your project professionally. viProject Gantt Chart is interactive, quick to respond, smooth and user friendly. It comes with smooth timeline scaling and scrolling using gestures. Gantt Chart is accompanied by a tasks table, thus there is a possibility to edit tasks in the chart as well as in the tasks table. CORE FEATURES & FUNCTIONALITIES PLANNING - Project Scheduling: schedule your projects from Start or from Finish date - Work Breakdown Structure: organize the hierarchy of project tasks using WBS approach - Critical Path: viProject automatically calculates a Critical Path as you change tasks in the project - Task Editing: edit tasks in a Task Table, Gantt Chart or in Task Inspector - Calendars: define any number of Custom Calendars with custom working hours and calendar exceptions, choose between Task or Resource Calendars to be used for scheduling - Task Constraints: use a wide range of task constrains (ASAP, ALAP, start no earlier than, etc.) - Task types: use three tasks types: Fixed Units, Fixed Duration & Fixed Work - Task Links: four types of task links: finish-to-start (FS), finish-to-finish (FF), start-to-finish (SF) and start-to-start (SS) PROGRESS TRACKING - Duration & Work: track project progress by using Actual and Remaining values of task Duration and task Work - % Complete: track progress by % Duration Complete or by % Work Complete - Actual Dates: use task Actual Start and Finish Dates to manage project schedule RESOURCE MANAGEMENT - Resource Types: two types of resources - People&Equipment and Materials - Resource Calendars: use custom calendars for individual project resources - Limit Resources: use Available Units to limit resource availability in the project - Groups: organize project resources into Groups - Resource Tracking: track Actual and Remaining Costs or Work for project resources COST MANAGEMENT - Rates: viProject uses Standard and Overtime Rates of resources to calculate project costs - Cost Calculation: viProject calculates costs of Tasks, Resources, Assignments and whole Project - Cost Accrual: use three cost accrual types: At Start, Prorated and At End - Task Costs: you can assign additional Fixed Costs to each task SHARING - Import: MS Project XML files from iCloud Drive, Cloud storage services like Dropbox, Box, Google Drive, Live Drive or Emails - Export: XML and PDF files via Email, Air Drop, iCloud Drive, Dropbox, Box, Google Drive, Live Drive. XML files from viProject are compatible with MS Project and can be imported to other apps. PDF file generated in viProject has the task table and the Gantt chart of your project - Printing: PDF files can be printed directly from viProject via AirPrint. The current view of your project can be printed from the Gantt Chart screen. PREMIUM FEATURES - Export projects to PDF and XML - Print your projects - Share your projects Choose from different subscription options. Our standard subscription options are: - 1 month subscription - 3 month subscription - 6 month subscription - 1 year subscription - Payment 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 - Terms of use: http://viprojectapp.com/terms

About

Deadliner

This app offers a visual approach to task and deadline management, helping users increase productivity and reduce procrastination. It features countdowns, Gantt-style charts, and robust organization tools with extensive customization options.

Highlights
  • Visual countdowns for deadlines
  • Gantt-style iterative schedules
  • Task organization with tags and subtasks
  • Seamless cloud sharing across devices
  • Extensive customization options
  • Home screen widgets for quick access
  • iCloud sync for Apple devices
Features
Read full description

Deadliner is a visual task tracker designed to increase your productivity and eliminate procrastination. Immerse yourself in a brand-new visual approach to tracking and managing deadlines, projects, events, and meetings. Set goals and visualize your progress by instantly seeing the remaining time compared to when you started a given task. Enhance your productivity further by adding subtasks to create a Gantt-style iterative schedule that seamlessly tracks across all your devices. Deadliner offers a range of practical applications for personal planning, teamwork, and education. Personalize your planning by tracking event time and progress, collaborate with team members by sharing deadlines, and create deadlines for students (or your own schedule as a student) and instantly share them. Key features include: - Visual Countdown: A novel approach to organization that provides a clear perspective. - Gantt-style Charts: Facilitate task iteration and enhance productivity and organization. - Organization with Tags, Projects, and Subtasks: Streamline your task management. Create subtasks of subtasks and complex task tress, or keep it simple. - Seamless Cloud Sharing: Instant cloud sharing across all your devices, built-in. - Over 1,200 Customization Options: Personalize your experience with icons, tags, and color schemes. - Home Screen Widgets: Access all your deadlines with a single swipe on iOS, iPadOS, and macOS. - iCloud Sync: Seamless synchronization between iPhone, iPad, Mac, and Apple Vision Pro. - Reminders Sync: Import reminders as deadlines and keep changes aligned when enabled. - Support for Advanced Automation: Leverage built-in Shortcuts to streamline your workflows. Deadliner is available as apps for iOS, iPadOS, macOS, and visionOS. Your subscription is shared across all your devices, ensuring uninterrupted access to all features. EULA: https://zetegy.com/eula/deadliner Terms of Use: https://zetegy.com/terms/deadliner

Screenshots

Deadliner4 screens

Verdict

The call

The clearest difference is rating: viProject at 4.3 against Deadliner's 3.0. viProject also leads on monetization model (free with in-app purchases vs subscription) and ratings volume (307 vs 2). Deadliner's advantage is device support (3 vs 1). On price, update cadence, ads 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. viProject sells 4 in-app purchases, starting at $7.49 per month and Deadliner sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

viProject holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: viProject has 307 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 37% of viProject's written reviews are positive against 29% of Deadliner's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
viProject versus Deadliner: the parameters behind the verdict, then further details
ParameterviProjectDeadliner
PriceFreeFree
Rating4.3 (307 ratings) — better3.0 (2 ratings)
Positive reviews37.1% of reviews — better28.6% of reviews
Number of ratings307 — better2
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPadiPhone, iPad, Mac — better
Requires iOS10.0 — better18.0
Further details — not scored
Size64 MB68 MB
Age rating4+4+
DeveloperViProject LimitedZetegy LLC

Customer experience

viProject

All ratings301 ratings
Positive83.4%
Neutral7.0%
Negative9.6%
Written reviews62 reviews
Positive37.1%
Neutral19.4%
Negative43.5%

Deadliner

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews42 reviews
Positive28.6%
Neutral11.9%
Negative59.5%

Bugs and requests

viProject

Reported bugs

14 issues
  • Start and end dates swap when setting either one
  • Linked tasks don't move when successor is moved
  • Data loss after app crashes or overnight saves
  • App crashes when adding holidays
  • App crashes when attempting PDF share
Show 9 more
  • Cannot delete tasks without app closing
  • Typing not allowed in project section on iPad
  • Feedback submission error codes
  • Task numbers duplicate when moving in work breakdown structure
  • Changes to dates don't save properly
  • Arbitrary links that cannot be unlinked
  • Summary task conversion cannot be reversed
  • Only half of tasks save in some cases
  • Older version of project appears after reopening

Requested features

10 requests
  • Actual vs. planned completion date tracking
  • Calendar view for printing/PDF export
  • Drag-and-drop column and row sorting
  • Better sharing capabilities with team members
  • Improved visual customization (colors, themes)
Show 5 more
  • Easier task editing and bulk operations
  • Auto-save functionality while working
  • Better explanation of parameters and settings
  • Full-featured free trial period
  • One-time purchase option instead of subscription

Deadliner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

viProject

Subscriptions4
  • 1 Month Access$7.491 Month
  • 3 Month Access$19.993 Months
  • 6 Month Access$29.996 Months
Show 1 more
  • 1 Year Access$38.991 Year
2 purchases

Deadliner

Subscriptions2
  • Deadliner Monthly3 Days trial$1.991 Month
  • Deadliner Annually7 Days trial$9.991 Year

Questions

Is viProject free?
viProject is free to download, with in-app purchases available.
Is Deadliner free?
Deadliner is free to download, with in-app purchases available.
Which has better reviews, viProject or Deadliner?
viProject is rated higher. viProject averages 4.3 out of 5 from 307 ratings, while Deadliner averages 3.0 from 2 ratings.
Do viProject or Deadliner have ads?
Neither viProject nor Deadliner shows ads.
Which is updated more often, viProject or Deadliner?
viProject ships an update every 2 weeks, and Deadliner every 2 weeks. Most recently, viProject was updated on November 1, 2026 and Deadliner on November 3, 2026.

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