# しまなみ海道 vs SwingDiff

The clearest difference is in-app purchases: しまなみ海道 at none against SwingDiff's 3. しまなみ海道 also leads on ads (none vs shown) and iOS requirement (9.0 vs 16.0). SwingDiff's advantage is update cadence (every 2 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. SwingDiff sells 3 in-app purchases, starting at $1.99 per month. しまなみ海道 asks for nothing beyond the download.

しまなみ海道 ships an update every 6 weeks, SwingDiff every 2 weeks. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | しまなみ海道 | SwingDiff |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 58 MB | 16 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [hikari-learning](https://appshunter.io/developer/665050032) | [10HALF LLC](https://appshunter.io/developer/1879009926) |

## What reviewers say

### しまなみ海道

[App page](https://appshunter.io/ios/app/id1259807515)

**Features:** macOS Compatibility

**In-app purchases:** none


### SwingDiff

[App page](https://appshunter.io/ios/app/swingdiff-golf-swing-analyzer/id6768898810)

Analyze your golf swing using AI pose estimation to compare your form against reference swings or your own past performance. Identify key areas for improvement with detailed diagnostics and track your progress over time, all while keeping your data private on your device.

**Highlights:** On-device skeleton analysis, 15-point auto diagnosis, Compare vs. reference or past swings, Progress tracking, Privacy-first, offline functionality, Left-handed swing support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $14.99 | per year |
| SwingDiff Pro (Lifetime) | $19.99 | one-time |


## Frequently asked questions

### Is しまなみ海道 free?

しまなみ海道 is free to download, with no in-app purchases.

### Is SwingDiff free?

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

### Do しまなみ海道 or SwingDiff have ads?

SwingDiff shows ads; しまなみ海道 does not.

### Which is updated more often, しまなみ海道 or SwingDiff?

しまなみ海道 ships an update every 6 weeks, and SwingDiff every 2 weeks. Most recently, しまなみ海道 was updated on October 7, 2026 and SwingDiff on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*