# 秘書さん vs FocusU

The clearest difference is update cadence: FocusU at every 4 days against 秘書さん's every 6 weeks. 秘書さん's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.5). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

秘書さん ships an update every 6 weeks, FocusU every 4 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 秘書さん | FocusU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 56 MB | 7 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [mere LLC (Apps)](https://appshunter.io/developer/1683373425) | [Kota Sakurai](https://appshunter.io/developer/1523595704) |

## What reviewers say

### 秘書さん

[App page](https://appshunter.io/ios/app/id6448060624)

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

**In-app purchases:** none


### FocusU

[App page](https://appshunter.io/ios/app/focusu-one-task-at-a-time/id6755238610)

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

**In-app purchases:** none


## Frequently asked questions

### Is 秘書さん free?

秘書さん is free to download, with no in-app purchases.

### Is FocusU free?

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

### Do 秘書さん or FocusU have ads?

Neither 秘書さん nor FocusU shows ads.

### Which is updated more often, 秘書さん or FocusU?

秘書さん ships an update every 6 weeks, and FocusU every 4 days. Most recently, 秘書さん was updated on October 6, 2026 and FocusU on October 7, 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.*