# FieldStream vs Kaizen

The clearest difference is in-app purchases: FieldStream at none against Kaizen's 7. FieldStream also leads on iOS requirement (13.0 vs 15.6). Kaizen's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Kaizen sells 7 in-app purchases, starting at $3.99 per month. FieldStream asks for nothing beyond the download.

FieldStream ships an update weekly, Kaizen every 2 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | FieldStream | Kaizen |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 132 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Panthos Pty Ltd](https://appshunter.io/developer/1603556413) | [Lennard Zieten](https://appshunter.io/developer/1817374089) |

## What reviewers say

### FieldStream

[App page](https://appshunter.io/ios/app/fieldstream/id1603556411)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is FieldStream free?

FieldStream is free to download, with no in-app purchases.

### Is Kaizen free?

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

### Do FieldStream or Kaizen have ads?

FieldStream shows ads; Kaizen does not.

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

FieldStream ships an update weekly, and Kaizen every 2 weeks. Most recently, FieldStream was updated on November 7, 2026 and Kaizen on October 30, 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.*