# Kaizen vs Flipnotes

The clearest difference is device support: Kaizen at 3 against Flipnotes's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Kaizen sells 7 in-app purchases, starting at $3.99 per month and Flipnotes sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Kaizen ships an update every 2 weeks, Flipnotes weekly. Both last shipped on October 8, 2026.

## The numbers

| Metric | Kaizen | Flipnotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/kaizen-tasks-and-calendar/id6746545640/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 132 MB | 8 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lennard Zieten](https://appshunter.io/developer/1817374089) | [Flipnotes](https://appshunter.io/developer/6789966434) |

## What reviewers say

### Kaizen

[App page](https://appshunter.io/ios/app/kaizen-tasks-and-calendar/id6746545640)

This app combines a Kanban board, calendar, and AI assistant to help you organize your tasks and improve continuously. It offers voice commands and customizable aesthetics to create a focused and functional workspace.

**Highlights:** Kanban board for project management, Integrated calendar view, AI assistant with voice commands, Drafts calendar events and creates tasks, Material 3 theming and custom backgrounds

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kaizen Pro - Monthly | $3.99 | per month |
| Kaizen Unlimited | $9.99 | per month |
| Kaizen AI | $14.99 | per month |
| Kaizen Pro - Annual | $39.99 | per year |
| Kaizen Unlimited | $47.90 | per year |
| Kaizen AI | $69.90 | per year |
| Kaizen Pro - Lifetime | $179.00 | one-time |


### Flipnotes

[App page](https://appshunter.io/ios/app/flipnotes-digital-notebook/id6789966432)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal | $3.99 | per month |
| Pro | $25.49 | per month |
| Personal | $39.99 | per year |
| Pro | $249.00 | per year |


## Frequently asked questions

### Is Kaizen free?

Kaizen is free to download, with in-app purchases available.

### Is Flipnotes free?

Flipnotes is free to download, with in-app purchases available.

### Do Kaizen or Flipnotes have ads?

Neither Kaizen nor Flipnotes shows ads.

### Which is updated more often, Kaizen or Flipnotes?

Kaizen ships an update every 2 weeks, and Flipnotes weekly. Most recently, Kaizen was updated on October 8, 2026 and Flipnotes on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*