# GoalHack 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: GoalHack at 50% against SideFlow｜集中タイマー・スマホ制限・勉強と仕事の記録's 0%. GoalHack also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. GoalHack sells 2 in-app purchases, starting at $2.99 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.

GoalHack ships an update every 2 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 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | GoalHack | 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 | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 66 MB | 110 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kento Tsutsui](https://appshunter.io/developer/1749111394) | [Ryogo Owashi](https://appshunter.io/developer/1852190898) |

## What reviewers say

### GoalHack

[App page](https://appshunter.io/ios/app/goalhack-ai-goal-quests/id6760186875)

This app transforms large, unclear objectives into manageable quests. It uses AI to break down goals into phases, missions, and training modules, offering daily choices to keep progress consistent. It emphasizes forward momentum over perfect streaks, allowing users to pick up where they left off.

**Highlights:** AI-powered goal breakdown, Phases, Missions, and Trainings, Daily 'Today's Picks' options, Progress tracking via XP, Flexible approach to missed days, Adventure Log for actions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Goal Hack Pro Plan Monthly | $2.99 | per month |
| Goal Hack Pro Plan Annual | $22.99 | per year |


### 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 GoalHack free?

GoalHack 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 GoalHack 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; GoalHack does not.

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

GoalHack ships an update every 2 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, GoalHack was updated on September 17, 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.*