# 中川整骨院 vs Smar Pair

The clearest difference is ads: 中川整骨院 at none against Smar Pair's shown. Smar Pair's advantage is update cadence (every 5 weeks vs every 45 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

中川整骨院 ships an update every 45 months, Smar Pair every 5 weeks. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 中川整骨院 | Smar Pair |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 45 months | **Every 5 weeks** |
| Size | 17 MB | 192 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Koudai Nakagawa](https://appshunter.io/developer/1601799557) | [Saiel International Co.,ltd](https://appshunter.io/developer/1665493774) |

## What reviewers say

### 中川整骨院

[App page](https://appshunter.io/ios/app/id1601799555)

**In-app purchases:** none


### Smar Pair

[App page](https://appshunter.io/ios/app/smar-pair/id1665493772)

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

**In-app purchases:** none


## Frequently asked questions

### Is 中川整骨院 free?

中川整骨院 is free to download, with no in-app purchases.

### Is Smar Pair free?

Smar Pair is free to download, with no in-app purchases.

### Do 中川整骨院 or Smar Pair have ads?

Smar Pair shows ads; 中川整骨院 does not.

### Which is updated more often, 中川整骨院 or Smar Pair?

中川整骨院 ships an update every 45 months, and Smar Pair every 5 weeks. Most recently, 中川整骨院 was updated on October 11, 2026 and Smar Pair on October 18, 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.*