Comparison

Yoko Timeline vs Gantt Chart

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

Head to head
About

Yoko Timeline

Features
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【Horizontal Timeline Calendar】 See 7 days before to 7 days after at a glance. Scroll vertically and horizontally for a clear view of your schedule. ■ Features ・All-day / Timed / Reminders in a horizontal timeline. Overlapping events auto-stack in lanes ・Customizable lane order (drag to reorder in Settings) ・Uses your calendar's original colors. Reminders color-coded: Past=Red / Today=Yellow / Future=Blue / Completed=Gray ・All-day bar stays from 00:00, today's title starts from red line (now) for clarity ■ Reminder Actions ・Tap to toggle complete/incomplete ・Swipe right to edit, left to delete, long press for detail ・Context menu supported with haptic feedback ■ Use as Perpetual Wall Calendar ・"Follow Current Time" keeps red line centered, auto-scrolls every minute ・"Perpetual Calendar Mode" auto-returns to today at midnight and when returning from background ・Auto-refresh every 5 min via iCloud with same Apple ID ・Perfect for old iPhone/iPad as always-on wall calendar ※ Set iOS Settings > Display & Brightness > Auto-Lock > Never ■ More ・No ads in Presentation Mode ・Toggle visible calendars ・Undo support ・Move day, go to today, refresh

About

Gantt Chart

Features
Read full description

A simple, easy-to-read Gantt chart app for iPhone and iPad. See your project schedule as bars and adjust dates directly with your finger. ■ Clear Gantt chart • Switch between day, week and month views • Today is marked with a red line; weekends are shaded • Task names and dates stay pinned while you scroll in any direction • Milestones (◆) supported ■ Adjust schedules by touch • Touch and hold a bar and drag to move it by days • Drag either end of a bar to lengthen or shorten it • Tap to edit details ■ Progress and checklists (checklists: Premium) • Completion checkmarks and progress for every task • Add a checklist to a task and let its completion drive progress automatically • Overall project progress is calculated for you ■ Reminders (Premium) • Get notified on the start date, the day before, the end date, the day before the end, or at a custom time • Move the schedule and reminders follow along ■ Share with your team (Premium) • Share and sync projects with others using Google Drive • Edits to different tasks made at the same time are both kept • Each person who shares needs Premium ■ Designed for iPad too • Project list and Gantt chart side by side • Dark Mode supported The Gantt chart, progress tracking and other basic features are free. Checklists, reminders and sharing come with Premium (one-time in-app purchase). No account needed. Your data stays on your device.

Screenshots

Yoko Timeline3 screens
Gantt Chart3 screens

Verdict

The call

The clearest difference is in-app purchases: Yoko Timeline at none against Gantt Chart's 1. Gantt Chart's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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 Chart sells 1 one-off in-app purchase. Yoko Timeline asks for nothing beyond the download.

UpkeepUpdate frequency

Yoko Timeline ships an update daily, Gantt Chart every 2 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 4 level
Yoko Timeline versus Gantt Chart: the parameters behind the verdict, then further details
ParameterYoko TimelineGantt Chart
PriceFreeFree
Update frequencyDaily — betterEvery 2 days
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size4 MB2 MB
Age rating4+4+
Developerkatsuyasu sakitaYOSHIYUKI UEMATSU

In-app purchases

None

Yoko Timeline

No in-app purchases

1 purchases

Gantt Chart

One-time1
  • Premium$2.99

Questions

Is Yoko Timeline free?
Yoko Timeline is free to download, with no in-app purchases.
Is Gantt Chart free?
Gantt Chart is free to download, with in-app purchases available.
Do Yoko Timeline or Gantt Chart have ads?
Yoko Timeline shows ads; Gantt Chart does not.
Which is updated more often, Yoko Timeline or Gantt Chart?
Yoko Timeline ships an update daily, and Gantt Chart every 2 days. Most recently, Yoko Timeline was updated on October 3, 2026 and Gantt Chart on October 9, 2026.

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