# KATA vs OK Planner

The clearest difference is in-app purchases: KATA at none against OK Planner's 3. KATA also leads on update cadence (weekly vs fortnightly) and iOS requirement (16.4 vs 26.0). OK Planner's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. OK Planner sells 3 in-app purchases, starting at $2.99 per month. KATA asks for nothing beyond the download.

KATA ships an update weekly, OK Planner fortnightly. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | KATA | OK Planner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Size | 54 MB | 33 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Naoto Tazawa](https://appshunter.io/developer/1866843317) | [Taro Ueno](https://appshunter.io/developer/6781268089) |

## What reviewers say

### KATA

[App page](https://appshunter.io/ios/app/kata-routine-player-and-timer/id6794907131)

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

**In-app purchases:** none


### OK Planner

[App page](https://appshunter.io/ios/app/ok-planner-adhd-timeline/id6810147505)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OK Planner Pro Monthly | $2.99 | per month |
| OK Planner Pro Yearly | $14.99 | per year |
| OK Planner Pro (One-Time) | $59.99 | one-time |


## Frequently asked questions

### Is KATA free?

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

### Is OK Planner free?

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

### Do KATA or OK Planner have ads?

KATA shows ads; OK Planner does not.

### Which is updated more often, KATA or OK Planner?

KATA ships an update weekly, and OK Planner fortnightly. Most recently, KATA was updated on October 31, 2026 and OK Planner on October 29, 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.*