# 何日経った？ vs 買いまる

The clearest difference is update cadence: 買いまる at every 2 months against 何日経った？'s every 16 months. 買いまる also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

何日経った？ ships an update every 16 months, 買いまる every 2 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 何日経った？ | 買いまる |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Size | 4 MB | 34 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KAZUKI KUBO](https://appshunter.io/developer/936625453) | [takahiro nishigaki](https://appshunter.io/developer/1806626894) |

## 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


### 買いまる

[App page](https://appshunter.io/ios/app/id6744245173)

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 買いまる free?

買いまる is free to download, with no in-app purchases.

### Do 何日経った？ or 買いまる have ads?

Neither 何日経った？ nor 買いまる shows ads.

### Which is updated more often, 何日経った？ or 買いまる?

何日経った？ ships an update every 16 months, and 買いまる every 2 months. Most recently, 何日経った？ was updated on October 25, 2026 and 買いまる on October 30, 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.*