# RunRun Running Note vs アイレクス

The clearest difference is update cadence: RunRun Running Note at every 4 days against アイレクス's every 2 months. アイレクス's advantage is iOS requirement (13.1 vs 18.0). 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.

RunRun Running Note ships an update every 4 days, アイレクス every 2 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | RunRun Running Note | アイレクス |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 34 MB | 34 MB |
| Requires iOS | 18.0 | **13.1** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Shigeru Sawada](https://appshunter.io/developer/1649903897) | [(주)디랙스](https://appshunter.io/developer/1546043482) |

## What reviewers say

### RunRun Running Note

[App page](https://appshunter.io/ios/app/runrun-running-note/id6757327127)

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

**In-app purchases:** none


### アイレクス

[App page](https://appshunter.io/ios/app/id6767081984)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RunRun Running Note free?

RunRun Running Note is free to download, with no in-app purchases.

### Is アイレクス free?

アイレクス is free to download, with no in-app purchases.

### Do RunRun Running Note or アイレクス have ads?

Neither RunRun Running Note nor アイレクス shows ads.

### Which is updated more often, RunRun Running Note or アイレクス?

RunRun Running Note ships an update every 4 days, and アイレクス every 2 months. Most recently, RunRun Running Note was updated on October 24, 2026 and アイレクス on October 16, 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.*