# OAZUKE 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 review sentiment: OAZUKE at 97% against SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録's 0%. OAZUKE also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. OAZUKE sells 3 in-app purchases, starting at $3.49 per month and 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. Whichever you choose, the download price is not the number that matters.

OAZUKE ships an update every 5 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 | OAZUKE | SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oazuke/id6797701978/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **97.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 110 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Raizo Kawaguchi](https://appshunter.io/developer/1804052163) | [Ryogo Owashi](https://appshunter.io/developer/1852190898) |

## What reviewers say

### OAZUKE

[App page](https://appshunter.io/ios/app/oazuke/id6797701978)

This app gamifies phone-free time by turning it into a reward for chilling treats. Collect different virtual treats and decorate your fridge with earned stickers as you spend time away from your device. It's a unique way to encourage focus and relaxation.

**Highlights:** Gamified phone-free time, Virtual treat chilling, Collect and discover treats, Decorate virtual fridge, Track daily phone-free time, Customizable fridge colors

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $3.49 | per month |
| Premium (Yearly) | $19.99 | per year |
| Premium (One-time) | $29.99 | one-time |


### 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 OAZUKE free?

OAZUKE is free to download, with in-app purchases available.

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

Both OAZUKE and SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録 show ads.

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

OAZUKE ships an update every 5 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, OAZUKE 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.*