# StudioZERO　公式アプリ vs SMILE託児所　KEEP UP株式会社

StudioZERO　公式アプリ and SMILE託児所　KEEP UP株式会社 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 39 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | StudioZERO　公式アプリ | SMILE託児所　KEEP UP株式会社 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | Every 39 months |
| Size | 15 MB | 16 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TOMOMI SUZUKI](https://appshunter.io/developer/1436688369) | [KEEP UP K.K.](https://appshunter.io/developer/1489287284) |

## What reviewers say

### StudioZERO　公式アプリ

[App page](https://appshunter.io/ios/app/studiozero/id1436688370)

**In-app purchases:** none


### SMILE託児所　KEEP UP株式会社

[App page](https://appshunter.io/ios/app/smile-keep-up/id1489287285)

**In-app purchases:** none


## Frequently asked questions

### Is StudioZERO　公式アプリ free?

StudioZERO　公式アプリ is free to download, with no in-app purchases.

### Is SMILE託児所　KEEP UP株式会社 free?

SMILE託児所　KEEP UP株式会社 is free to download, with no in-app purchases.

### Do StudioZERO　公式アプリ or SMILE託児所　KEEP UP株式会社 have ads?

Neither StudioZERO　公式アプリ nor SMILE託児所　KEEP UP株式会社 shows ads.

### Which is updated more often, StudioZERO　公式アプリ or SMILE託児所　KEEP UP株式会社?

StudioZERO　公式アプリ ships an update every 39 months, and SMILE託児所　KEEP UP株式会社 every 39 months. Most recently, StudioZERO　公式アプリ was updated on September 10, 2026 and SMILE託児所　KEEP UP株式会社 on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*