# Kurun vs ONE

The clearest difference is in-app purchases: ONE at none against Kurun's 5. Kurun's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kurun sells 5 in-app purchases, starting at $4.99 per month. ONE asks for nothing beyond the download.

Kurun ships an update fortnightly, ONE every 2 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Kurun | ONE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KYOSUKE WATANABE](https://appshunter.io/developer/1833049963) | [骋飞 武](https://appshunter.io/developer/6775319022) |

## What reviewers say

### Kurun

[App page](https://appshunter.io/ios/app/kurun-visual-daily-planner/id6759819620)

Visualize your entire day as a single pie chart to understand where your time is spent. Easily identify time sinks, imbalances, and gaps in your schedule. Organize tasks and log activities directly within the app.

**Highlights:** Full 24-hour pie chart visualization, Color-coded activity tracking, Spot untracked time gaps, Customizable activity categories, Built-in to-do list, Stopwatch and timer for direct logging

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kurun Pro Monthly | $4.99 | per month |
| Pro | $19.99 | per year |
| Kurun Pro Yearly | $34.99 | per year |
| Kurun Pro Lifetime | $39.99 | one-time |
| Kurun Pro Lifetime | $79.99 | one-time |


### ONE

[App page](https://appshunter.io/ios/app/one-focus-deep-life-timer/id6777599934)

**In-app purchases:** none


## Frequently asked questions

### Is Kurun free?

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

### Is ONE free?

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

### Do Kurun or ONE have ads?

Neither Kurun nor ONE shows ads.

### Which is updated more often, Kurun or ONE?

Kurun ships an update fortnightly, and ONE every 2 weeks. Most recently, Kurun was updated on October 30, 2026 and ONE on October 28, 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.*