# 集中旅行者 vs SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録

The clearest difference is in-app purchases: 集中旅行者 at none against SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録's 8. 集中旅行者 also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 sells 8 in-app purchases, starting at $2.99 per month. 集中旅行者 asks for nothing beyond the download.

集中旅行者 ships an update every 3 days, SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 every 2 weeks. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 集中旅行者 | SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 110 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CapCat LLC](https://appshunter.io/developer/1654095841) | [Ryogo Owashi](https://appshunter.io/developer/1852190898) |

## What reviewers say

### 集中旅行者

[App page](https://appshunter.io/ios/app/id6786480903)

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

**In-app purchases:** none


### SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録

[App page](https://appshunter.io/ios/app/sideflow/id6801014804)

This app helps you focus by combining a timer with your favorite music from Apple Music or Spotify. It visually represents your focus sessions as collectible tickets and offers features to block distracting apps and track your progress over time.

**Highlights:** Focus timer with music integration (Apple Music/Spotify), App and website blocking during focus sessions, Focus sessions visualized as collectible tickets, Progress tracking and analytics (weekly, monthly, yearly), Customizable timer interface with rewards, Social features to connect with friends' focus progress

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SideFlow Premium | $2.99 | per month |
| SideFlow Premium | $17.99 | per year |
| SideFlow Premium | $22.99 | per year |
| SideFlow 120コイン | $0.99 | one-time |
| SideFlow 400コイン | $2.99 | one-time |
| SideFlow 900コイン | $5.99 | one-time |
| プレーヤーパーツ 3個 | $5.99 | one-time |
| SideFlow 2000コイン | $11.99 | one-time |


## Frequently asked questions

### Is 集中旅行者 free?

集中旅行者 is free to download, with no in-app purchases.

### Is SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 free?

SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 is free to download, with in-app purchases available.

### Do 集中旅行者 or SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 have ads?

SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 shows ads; 集中旅行者 does not.

### Which is updated more often, 集中旅行者 or SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録?

集中旅行者 ships an update every 3 days, and SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 every 2 weeks. Most recently, 集中旅行者 was updated on September 29, 2026 and SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 on September 27, 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.*