# Zentime vs 偉人と集中

The clearest difference is ads: 偉人と集中 at none against Zentime's shown. 偉人と集中 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Zentime sells 6 in-app purchases, starting at $3.99 per month and 偉人と集中 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Zentime ships an update weekly, 偉人と集中 every 2 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Zentime | 偉人と集中 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 88.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 56 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ryunosuke Nagase](https://appshunter.io/developer/1506451599) | [arcion Inc.](https://appshunter.io/developer/1889141132) |

## What reviewers say

### Zentime

[App page](https://appshunter.io/ios/app/zentime-screen-time-control/id6748847369)

This app helps you regain focus by automatically locking applications once a set time limit is reached. It enforces these limits to prevent mindless scrolling and time wastage, promoting calmer and more productive phone usage.

**Highlights:** Set app time limits, Automatic app locking, Enforced limits, Reduces mindless scrolling, Promotes focus

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zentime Pro | $3.99 | per month |
| Zentime Pro | $5.99 | per month |
| Zentime Pro | $19.99 | per year |
| Zentime Pro | $29.99 | per year |
| Zentime Pro | $59.99 | one-time |
| Zentime Pro | $99.99 | one-time |


### 偉人と集中

[App page](https://appshunter.io/ios/app/id6786728574)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全集アンロック | $5.99 | one-time |


## Frequently asked questions

### Is Zentime free?

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

### Is 偉人と集中 free?

偉人と集中 is free to download, with in-app purchases available.

### Do Zentime or 偉人と集中 have ads?

Zentime shows ads; 偉人と集中 does not.

### Which is updated more often, Zentime or 偉人と集中?

Zentime ships an update weekly, and 偉人と集中 every 2 weeks. Most recently, Zentime was updated on November 8, 2026 and 偉人と集中 on October 31, 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.*