Comparison

OmniPlan 4 vs Aeon Timeline 3

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

Head to head
About

OmniPlan 4

This app offers robust project management capabilities, allowing users to view, edit, and organize complex projects. It provides tools for tracking progress, managing teams, and improving workflows with features like automatic scheduling and critical path highlighting.

Highlights
  • Automatic project scheduling
  • Resource leveling
  • Team collaboration
  • Critical path highlighting
  • Interactive Gantt timeline
  • Network diagram view
Read full description

OmniPlan gives you the power to manage complexity by helping you view, edit, and organize projects. Easily track your progress, manage your team, and continuously improve your processes with powerful project management features including automatic project scheduling, resource leveling, collaboration, milestones, and critical path highlighting. View your project as an interactive Gantt timeline, a customizable project outline, or as a beautiful Network diagram. Manage simple or complex projects—all at a glance. Purchase OmniPlan once for full access to OmniPlan 4 on your Mac, iPad, iPhone, and Apple Vision Pro.

About

Aeon Timeline 3

Create visually rich timelines for creative writing, project management, legal cases, and research. Offers multiple views like timeline, relationship, and mindmap. A free read-only mode is available, with editing unlocked via a one-time in-app purchase.

Highlights
  • Multiple data visualization views
  • Timeline, relationship, and mindmap views
  • Story arc and character tracking
  • Project breakdown and task management
  • Legal case event mapping
  • Customizable calendars
  • Scrivener/Ulysses integration
Read full description

Create beautifully organised, data rich timelines for every project: packed with templates and features for creative writing, project management, legal case management, and research and education projects. Free read-only mode: - Aeon Timeline is free to download and use in read-only mode to view timelines shared by other users. Buy Aeon Timeline, own it forever: - Unlock editing across up to 5 devices (MacOS, iOS and Windows) with an in-app purchase. - Each purchase comes with a year of free updates. - Renew to unlock further updates, or continue using your existing version forever - Renew updates at any time without penalty SAME DATA, MANY VIEWS: In Aeon Timeline, create your data once and visualise it any number of ways: * Timeline View: a graphical representation of events across time * Relationship View: a matrix showing how your events relate to people and places * Spreadsheet View: rapid data entry to get down your ideas * Subway View: shows how individual threads of people, story arcs and concepts are intertwined * Narrative View: a graphical depiction of an independent narrative order and structure * Outline View: a spreadsheet-like outline display of your narrative structure * Mindmap View: a free-form space to brainstorm ideas and create visual representations of relationships FOR WRITERS: Whether you are just starting your next writing project or looking to edit and refine the next great novel, Aeon Timeline helps you understand your story world like never before * Connect events in your story timeline with characters and setting. * Arrange events into story arcs and themes * Track character ages and developments through back story and live scenes * Drag events from your timeline into a story outline * On desktop, sync your narrative and characters with your writing project in Scrivener (Mac/Win) or Ulysses (Mac-only) * Story set off-world? No problem, build your own fantasy calendar FOR PROJECT MANAGERS: Break free of gantt charts with a range of views to visualise your project plan in new ways. * Quickly break down your project structure in Spreadsheet View * Organise tasks into hierarchies of stories, epics and projects * Assign people and resources to tasks; use split views and filters to compare progress across projects or people * Use date constraints and dependencies to keep your project in logical order * Add your own custom fields to track the data you need FOR LEGAL CASE MANAGEMENT: Create a visual representation of your legal case for clearer insights and court room presentations * Map connections between known events and facts with specific people, places, and documents involved * Use stacked split views to compare and corroborate different versions of events, and analyse theories of your legal case * Use dependencies and constraints to find inconsistencies in testimonies and evidence * Represent uncertainty by specifying earliest/latest ranges for event start and end dates. * Use Narrative View to prepare your legal argument for trial with supporting links back to the original data * Export images and PDFs of your timeline to present during a case FOR RESEARCH AND EDUCATION: History is not just about events, but the people, places and ideas that connect them. * View how people, ideas and advances in culture and technology are connected using Relationship and Subway Views. * Use stacked split views to compare timelines for different civilizations, innovations, or historical figures. * Create content specific to your needs by expanding on our starting education templates * Represent uncertainty by specifying earliest/latest ranges for event start and end dates. * Record dates and times down to the second, or simply record months or years. * Print and display your timelines for classrooms. Export images/PDFs to share in presentations or articles. Privacy Policy: https://timeline.app/privacy Terms of Use: https://timeline.app/terms-and-conditions

Screenshots

OmniPlan 44 screens
Aeon Timeline 34 screens

Verdict

The call

OmniPlan 4 and Aeon Timeline 3 both sit at 3.9 stars, but that hides the real split: 60% of Aeon Timeline 3's written reviews are positive against 24% of OmniPlan 4's. Aeon Timeline 3 also leads on monetization model (free with in-app purchases vs paid) and update cadence (monthly vs every 2 months). On price, rating, ratings volume and ads 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. OmniPlan 4 sells 10 in-app purchases, starting at $19.99 per month and Aeon Timeline 3 sells 4 in-app purchases, starting at $34.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.9 for OmniPlan 4 against 3.9 for Aeon Timeline 3. Both are backed by a comparable volume of ratings — 20 and 50 respectively. Written reviews are what separate them: 24% of OmniPlan 4's written reviews are positive against 60% of Aeon Timeline 3's.

UpkeepUpdate frequency

OmniPlan 4 ships an update every 2 months, Aeon Timeline 3 monthly. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 6 level
OmniPlan 4 versus Aeon Timeline 3: the parameters behind the verdict, then further details
ParameterOmniPlan 4Aeon Timeline 3
PriceFreeFree
Rating3.9 (20 ratings)3.9 (50 ratings)
Positive reviews23.5% of reviews60.0% of reviews — better
Number of ratings2050 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, Mac, Vision ProiPhone, iPad, iPod, Mac
Requires iOS16.013.0 — better
Further details — not scored
Size68 MB78 MB
Age rating4+4+
DeveloperThe Omni GroupTimeline.App Pty. Ltd.

Customer experience

OmniPlan 4

All ratings20 ratings
Positive65.0%
Neutral10.0%
Negative25.0%
Written reviews68 reviews
Positive23.5%
Neutral10.3%
Negative66.2%

Aeon Timeline 3

All ratings50 ratings
Positive74.0%
Neutral2.0%
Negative24.0%
Written reviews70 reviews
Positive60.0%
Neutral10.0%
Negative30.0%

Bugs and requests

OmniPlan 4

Not enough reviews yet to summarise bugs or requests.

Aeon Timeline 3

Reported bugs

11 issues
  • Mobile app is glitchy
  • Cannot tap bottom option when scrolling
  • Tilting phone sends back to another menu
  • File icon drops into Files app with no way back
  • Date inputs defaulting to year 2000
Show 6 more
  • Bug with date inputs
  • Item IDs do not adjust when rearranging timeline
  • Licensing is glitchy
  • Free trial ends prematurely
  • Cannot purchase or use app after download
  • Mobile version has bugs like 'untitled' event selection

Requested features

10 requests
  • Timeline-map feature
  • Manual distance labeling on maps
  • Sliding through time with character labels on maps
  • Manual export options from iOS app
  • A reference manual instead of just online knowledge base
Show 5 more
  • BP (Before Present) option for dates
  • More flexibility in calendar types
  • Ability to see age of witnesses to an event
  • German language support
  • French language support

In-app purchases

10 purchases

OmniPlan 4

Subscriptions2
  • Legacy Subscription$19.991 Month
  • Legacy Subscription$199.991 Year
One-time8
  • Free Upgrade to v4 ProFree
  • Free Upgrade to v4 StandardFree
  • Upgrade to v4 Standard$99.99
Show 5 more
  • Upgrade from Standard to Pro$99.99
  • Unlock Standard$199.99
  • Upgrade to v4 Pro$199.99
  • Upgrade from Standard to Pro$199.99
  • Unlock Pro$399.99
4 purchases

Aeon Timeline 3

Subscriptions2
  • Aeon Timeline 3 + Subscription1 Year trial$34.991 Year
  • Updates: Subscription$34.991 Year
One-time2
  • Updates: One Year$34.99
  • Aeon Timeline 3$64.99

Questions

Is OmniPlan 4 free?
OmniPlan 4 is free to download, with in-app purchases available.
Is Aeon Timeline 3 free?
Aeon Timeline 3 is free to download, with in-app purchases available.
Which has better reviews, OmniPlan 4 or Aeon Timeline 3?
OmniPlan 4 and Aeon Timeline 3 are both rated 3.9 out of 5 on the App Store, from 20 and 50 ratings respectively.
Do OmniPlan 4 or Aeon Timeline 3 have ads?
Neither OmniPlan 4 nor Aeon Timeline 3 shows ads.
Which is updated more often, OmniPlan 4 or Aeon Timeline 3?
OmniPlan 4 ships an update every 2 months, and Aeon Timeline 3 monthly. Most recently, OmniPlan 4 was updated on September 21, 2026 and Aeon Timeline 3 on September 18, 2026.

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