Comparison

321 ToDo vs DeadlineGuard

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

Head to head
About

321 ToDo

Organize your tasks with a countdown to their due dates. This app helps you manage your to-do list with real-time grace period displays and customizable reminders. Features include swipe-to-delete, sorting options, and repeat task settings.

Highlights
  • Countdown to due dates
  • Swipe to delete tasks
  • Manual and automatic sorting
  • Customizable reminders
  • Repeat task function
  • Theme color customization
  • Badge display for incomplete tasks
Features
Read full description

Countdown ToDo is a ToDo application that allows you to display and check the grace time until the due date in real time. Let's organize what we have to do by the time. ◆◆◆ Main functions of Countdown ToDo ◆◆◆ ◆ ToDo list ・Swipe to delete. ・Delete all at once with the trash can button. ・Switching between manual sorting and automatic sorting In manual sorting, you can sort by long-pressing ToDo. With automatic sorting, the deadlines are automatically sorted in ascending order. ◆ Task deadline ・reminder It can be set before or after the due date. If the task is checked, you will not be notified. ・Repeat function It can be set daily, weekly, or monthly. When the checked task is the day after the due date, it will be unchecked and the due date will be updated. ◆ Others ・Change theme You can change the theme color of the app from 16 colors. ・Badge display You can badge the number of incomplete tasks. ◆◆◆ Remarks ◆◆◆ If you have any requests or problems, please contact us from the setting screen in the app.

About

DeadlineGuard

Features
Read full description

DeadlineGuard helps you stay on top of important deadlines — without stress. Never forget a due date again. DeadlineGuard is a simple reminder app designed to track deadlines and notify you before they arrive. Add deadlines, choose reminder times, and let the app handle the rest. Once a deadline passes, it’s automatically archived so your list stays clean and focused. Key Features • Add and manage deadlines easily • Get reminder notifications before due dates • Automatic archiving of past deadlines • Clean, distraction-free design • Works entirely on your device (no accounts required) DeadlineGuard is built for everyday needs — bills, payments, renewals, appointments, and personal reminders. Important Note DeadlineGuard is a reminder tool only and does not provide legal, financial, or professional advice. Always verify official notices and deadlines.

Screenshots

321 ToDo3 screens
DeadlineGuard3 screens

Verdict

The call

The clearest difference is ads: DeadlineGuard at none against 321 ToDo's shown. 321 ToDo's advantage is update cadence (every 3 days vs every 10 days) and iOS requirement (9.0 vs 15.1). On price, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

321 ToDo ships an update every 3 days, DeadlineGuard every 10 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
321 ToDo versus DeadlineGuard: the parameters behind the verdict, then further details
Parameter321 ToDoDeadlineGuard
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterEvery 10 days
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.1
Further details — not scored
Size64 MB28 MB
Age rating4+4+
DeveloperShibapp LLCOrionEdge Technologies LLC

In-app purchases

None

321 ToDo

No in-app purchases

None

DeadlineGuard

No in-app purchases

Questions

Is 321 ToDo free?
321 ToDo is free to download, with no in-app purchases.
Is DeadlineGuard free?
DeadlineGuard is free to download, with no in-app purchases.
Do 321 ToDo or DeadlineGuard have ads?
321 ToDo shows ads; DeadlineGuard does not.
Which is updated more often, 321 ToDo or DeadlineGuard?
321 ToDo ships an update every 3 days, and DeadlineGuard every 10 days. Most recently, 321 ToDo was updated on October 24, 2026 and DeadlineGuard on October 10, 2026.

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