Ideamixer vs 321 ToDo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Add personal ideas
- Mix ideas together
- Generate new concepts
- Creative thinking tool
- Idea brainstorming
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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
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.
- 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
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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
Verdict
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
Both are free to download. Ideamixer sells 1 one-off in-app purchase. 321 ToDo asks for nothing beyond the download.
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.
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.
| Parameter | Ideamixer | 321 ToDo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | ColorBoxStudio | Shibapp LLC |
Customer experience
Ideamixer
321 ToDo
In-app purchases
Ideamixer
- Remove Ad$3.99
321 ToDo
No in-app purchases









