Comparison

Todo vs Zeronoon

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

Head to head
About

Todo

This powerful task manager helps you organize projects, set reminders, and prioritize tasks to achieve your goals. It supports the Getting Things Done methodology and offers seamless syncing across devices. Ideal for managing personal and professional to-dos efficiently.

Highlights
  • Project and sub-task management
  • Recurring tasks with detailed options
  • Multiple task alerts and reminders
  • Drag and drop task organization
  • GTD methodology support
  • Automatic background syncing
  • Shared lists for collaboration
Features
Read full description

This is the original To-Do and Task Management List and one of the most popular, powerful, and award-winning to-do list and task manager iOS and iPad apps ever! Todo has been used by millions of individuals, families and teams for GETTING THINGS DONE. "Todo has stood the test of time" -Silicon Slopes. Winner of the “Best Productivity App for iPad” (Best Apps Ever, To-Do Apps) and listed among the “Top Ten Paid Productivity Apps..." "Appigo Todo oozes with awesomeness. I’ve tried numerous iOS task-management apps, and none to date have satisfied me as much as Todo.” –Macworld, 4.5 stars. Four main reasons to consider Todo: 1. REAL PRODUCTIVITY. Unlike lightweight, freebie or cutesy list tools, Todo 10 is useful when you have a deadline, NEED to focus, prioritize and get things done quickly--from home or school projects to dozens of detailed work tasks. Includes: Projects, Sub-tasks, Start Dates, Due Dates, Recurring Tasks (with detailed recurring options), Multiple Task Alerts, Overdue Tasks, Drag and Drop, Search, Print Lists, Folders, and much more. 2. PROVEN GTD METHODOLOGY. Todo uses the popular Getting Things Done approach with Focus To-do Lists, Starred Tasks, Multi-level Priorities, Quick Entry, Context, and Projects with Layered and Prioritized Sub-Tasks—all recommended GTD approaches. 3. BUILT-IN SYNCING. Sync automatically in the background with Todo Cloud Sync. Keep everything in sync, access your data from any device and never be locked into a specific service—your data remains yours. 4. COOLNESS • Add, schedule, and organize your to-dos • Set due dates and reminders to never miss an important date or deadline • Quickly add tasks using Siri, Email or Todo Cloud’s Quick Add buttons • Streamline projects, checklists and tasks using customized Siri commands. • Customize task reminders based on day (January 1), time (2:00pm) and place (when you are near the grocery store) • Create themed lists to organize your to-dos: home, work, friends, etc. • Take control of how you view and execute your to-dos with Todo Smart Lists • Collaborate with friends, family and/or team members using Shared Lists • Leave yourself (or others) updates through in-task notes and comments • Create recurring tasks for those to-dos that come over and over again • Sync your to-dos across all your devices 14 day FREE trial! Todo Cloud is one of the most affordable individual or team task management solutions. Others cost $10- $50 more per year, and some even require you to pay extra for every platform. Not Todo Cloud. The Todo subscription will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless cancelled at least 24-hours before the end of the current period. You can cancel the subscription renewal at any time, and the subscription you purchased will remain active until the end of the current period. Manage your subscriptions on the App Store's Account Settings after purchase (http://support.apple.com/kb/ht4098). EXCELLENT CUSTOMER SUPPORT Please visit us for help at http://help.appigo.com or email support@appigo.com Terms of Use - https://appigo.com/terms-of-use/ Privacy Policy - https://appigo.com/privacy-policy/

About

Zeronoon

Features
Read full description

Zeronoon is your ultimate productivity workspace, bringing together task management, notes, and more in a seamless, user-friendly app. Designed to help you stay organized and focused, Zeronoon empowers you to take control of your day and reach your goals, whether you’re a solo user or part of a team. Features: - Task Management: Easily create, organize, and prioritize tasks. Notes & Checklists: Capture ideas on the go and create quick checklists to track essential details. Timer Functionality: Use the built-in timer to stay focused and manage work sessions. Seamless Sync Across Devices: Access Zeronoon across all your devices ensuring you’re always connected and organized wherever you go. Why Choose Zeronoon? Zeronoon combines powerful productivity tools with an intuitive design that makes organization effortless. With Zeronoon, you’ll stay organized, focused, and in control of your day-to-day tasks and long-term goals. Whether you’re tracking personal habits or managing team projects, Zeronoon is built to support you every step of the way. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://zeronoon.com/privacy-policy

Screenshots

Todo4 screens
Zeronoon4 screens

Verdict

The call

The clearest difference is update cadence: Zeronoon at fortnightly against Todo's every 2 months. Todo's advantage is iOS requirement (12.0 vs 14.0.0). On price, ads, in-app purchases and device support 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. Todo sells 2 in-app purchases, starting at $5.99 per month and Zeronoon sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Todo ships an update every 2 months, Zeronoon fortnightly. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Todo versus Zeronoon: the parameters behind the verdict, then further details
ParameterTodoZeronoon
PriceFreeFree
Rating4.4 (399 ratings) — better—
Positive reviews47.7% of reviews—
Number of ratings399 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS12.0 — better14.0.0
Further details — not scored
Size115 MB58 MB
Age rating4+4+
DeveloperAppigoZERONOON LIMITED

Bugs and requests

Todo

Reported bugs

4 issues
  • App crashes and freezes on newer iOS versions
  • Repeating tasks not functioning as expected
  • Unexpected data deletion after updates
  • Sync issues between mobile and desktop apps

Requested features

4 requests
  • Improved Outlook/Exchange integration
  • Ability to set custom reminders and alerts
  • Better task prioritization and sorting options
  • Seamless iCloud/Dropbox sync without subscription

Zeronoon

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Todo

Subscriptions2
  • Todo Cloud Premium$5.991 Month
  • Todo Cloud Premium$29.991 Year
2 purchases

Zeronoon

Subscriptions2
  • Zeronoon Pro Monthly$4.991 Month
  • ZeronoonPro Premium Yearly$47.491 Year

Questions

Is Todo free?
Todo is free to download, with in-app purchases available.
Is Zeronoon free?
Zeronoon is free to download, with in-app purchases available.
Do Todo or Zeronoon have ads?
Neither Todo nor Zeronoon shows ads.
Which is updated more often, Todo or Zeronoon?
Todo ships an update every 2 months, and Zeronoon fortnightly. Most recently, Todo was updated on November 6, 2026 and Zeronoon on October 30, 2026.

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