Comparison

Ideamixer vs 321 ToDo

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

Head to head
About

Ideamixer

This application helps users brainstorm and generate new ideas by allowing them to add their own thoughts and mix them together. It provides useful functions for creative thinking and idea generation.

Highlights
  • Add personal ideas
  • Mix ideas together
  • Generate new concepts
  • Creative thinking tool
  • Idea brainstorming
Features
Read full description

Ideamixer is an app for brainstorming and growing your ideas. An idea is a new combination of things you already know — not something out of nowhere. Ideamixer helps you capture what you notice, feel, and learn, then combine it all to spark new ideas. Over 500 built-in words are ready to jump-start your thinking. Tools to expand and deepen your ideas - Idea Hex: expand associations in a mandala-chart layout - Virtual Talk: answer questions about your idea to find new perspectives - Missing Link: explore what connects your idea and a random word - Idea Link: organize your thoughts in a mind-map style - Osborn's Checklist: transform an idea through nine viewpoints - Idea Mixer / Random Mix: combine ideas with each other or with random words - Separate: split an overgrown idea into a brand-new one - Color coding: categorize your ideas by color Go ahead and get good ideas! --- Icons by Icons8

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.

Screenshots

Ideamixer3 screens
321 ToDo3 screens

Verdict

The call

The clearest difference is in-app purchases: 321 ToDo at none against Ideamixer's 1. 321 ToDo also leads on update cadence (every 3 days vs every 2 months) and review sentiment (100% vs 75%). 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. Ideamixer sells 1 one-off in-app purchase. 321 ToDo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Ideamixer against 5.0 for 321 ToDo. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 75% of Ideamixer's written reviews are positive against 100% of 321 ToDo's.

UpkeepUpdate frequency

Ideamixer ships an update every 2 months, 321 ToDo every 3 days. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

Scorecard5 real differences · 5 level
Ideamixer versus 321 ToDo: the parameters behind the verdict, then further details
ParameterIdeamixer321 ToDo
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 2 monthsEvery 3 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size14 MB64 MB
Age rating4+4+
DeveloperColorBoxStudioShibapp LLC

Customer experience

Ideamixer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

321 ToDo

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Ideamixer

One-time1
  • Remove Ad$3.99
None

321 ToDo

No in-app purchases

Questions

Is Ideamixer free?
Ideamixer is free to download, with in-app purchases available.
Is 321 ToDo free?
321 ToDo is free to download, with no in-app purchases.
Which has better reviews, Ideamixer or 321 ToDo?
Ideamixer and 321 ToDo are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Ideamixer or 321 ToDo have ads?
Both Ideamixer and 321 ToDo show ads.
Which is updated more often, Ideamixer or 321 ToDo?
Ideamixer ships an update every 2 months, and 321 ToDo every 3 days. Most recently, Ideamixer was updated on October 11, 2026 and 321 ToDo on October 6, 2026.

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