# Kurun vs Tempo study timer

The clearest difference is in-app purchases: Tempo study timer at none against Kurun's 4. Tempo study timer also leads on update cadence (fortnightly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kurun sells 4 in-app purchases, starting at $4.99 per month. Tempo study timer asks for nothing beyond the download.

Kurun ships an update monthly, Tempo study timer fortnightly. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Kurun | Tempo study timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 81 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KYOSUKE WATANABE](https://appshunter.io/developer/1833049963) | [Daihun Kim](https://appshunter.io/developer/1881549980) |

## What reviewers say

### Kurun

[App page](https://appshunter.io/ios/app/kurun-daily-time-pie-chart/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 (4)**

| 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 | $79.99 | one-time |


### Tempo study timer

[App page](https://appshunter.io/ios/app/tempo-study-timer/id6759906734)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kurun free?

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

### Is Tempo study timer free?

Tempo study timer is free to download, with no in-app purchases.

### Do Kurun or Tempo study timer have ads?

Neither Kurun nor Tempo study timer shows ads.

### Which is updated more often, Kurun or Tempo study timer?

Kurun ships an update monthly, and Tempo study timer fortnightly. Most recently, Kurun was updated on September 23, 2026 and Tempo study timer on September 17, 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.*