# 乗換アラーム vs 旗当番表メーカー+

The clearest difference is in-app purchases: 乗換アラーム at none against 旗当番表メーカー+'s 2. 乗換アラーム also leads on update cadence (every 2 weeks vs every 8 months) and iOS requirement (13.0 vs 26.1). 旗当番表メーカー+'s advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 旗当番表メーカー+ sells 2 one-off in-app purchases. 乗換アラーム asks for nothing beyond the download.

乗換アラーム ships an update every 2 weeks, 旗当番表メーカー+ every 8 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 乗換アラーム | 旗当番表メーカー+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Size | 37 MB | 1 MB |
| Requires iOS | **13.0** | 26.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shun Waida](https://appshunter.io/developer/1872552833) | [Tatsuya Yamaguchi](https://appshunter.io/developer/447542345) |

## What reviewers say

### 乗換アラーム

[App page](https://appshunter.io/ios/app/id6758363756)

**In-app purchases:** none


### 旗当番表メーカー+

[App page](https://appshunter.io/ios/app/plus/id6758986101)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2026年度カレンダー | $1.99 | one-time |
| 2027年度カレンダー | $1.99 | one-time |


## Frequently asked questions

### Is 乗換アラーム free?

乗換アラーム is free to download, with no in-app purchases.

### Is 旗当番表メーカー+ free?

旗当番表メーカー+ is free to download, with in-app purchases available.

### Do 乗換アラーム or 旗当番表メーカー+ have ads?

乗換アラーム shows ads; 旗当番表メーカー+ does not.

### Which is updated more often, 乗換アラーム or 旗当番表メーカー+?

乗換アラーム ships an update every 2 weeks, and 旗当番表メーカー+ every 8 months. Most recently, 乗換アラーム was updated on October 9, 2026 and 旗当番表メーカー+ on October 8, 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.*