# 何日経った？ vs ステラエール

The clearest difference is in-app purchases: 何日経った？ at none against ステラエール's 2. ステラエール's advantage is update cadence (every 2 days vs every 16 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ステラエール sells 2 in-app purchases, starting at $2.99 per month. 何日経った？ asks for nothing beyond the download.

何日経った？ ships an update every 16 months, ステラエール every 2 days. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 何日経った？ | ステラエール |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 days** |
| Size | 4 MB | 94 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KAZUKI KUBO](https://appshunter.io/developer/936625453) | [Takeaki Shimizu](https://appshunter.io/developer/1271085282) |

## What reviewers say

### 何日経った？

[App page](https://appshunter.io/ios/app/id6475248021)

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

**In-app purchases:** none


### ステラエール

[App page](https://appshunter.io/ios/app/id6760266509)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 星灯りプラン | $2.99 | per month |
| 星灯りプラン（年額） | $22.99 | per year |


## Frequently asked questions

### Is 何日経った？ free?

何日経った？ is free to download, with no in-app purchases.

### Is ステラエール free?

ステラエール is free to download, with in-app purchases available.

### Do 何日経った？ or ステラエール have ads?

Neither 何日経った？ nor ステラエール shows ads.

### Which is updated more often, 何日経った？ or ステラエール?

何日経った？ ships an update every 16 months, and ステラエール every 2 days. Most recently, 何日経った？ was updated on October 25, 2026 and ステラエール 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.*