# Smart Sync vs SPINE

The clearest difference is in-app purchases: Smart Sync at none against SPINE's 3. Smart Sync also leads on device support (3 vs 1) and iOS requirement (8.2 vs 17.0). On price and ads there is nothing between them.

Both are free to download. SPINE sells 3 in-app purchases, starting at $9.99 per month. Smart Sync asks for nothing beyond the download.

## The numbers

| Metric | Smart Sync | SPINE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (8 ratings)](https://appshunter.io/ios/app/smart-sync/id1082099585/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 19 MB | 8 MB |
| Requires iOS | **8.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [infibi-inc.com](https://appshunter.io/developer/997239542) | [No Worries! Lifestyle, LLC](https://appshunter.io/developer/1517663033) |

## What reviewers say

### Smart Sync

[App page](https://appshunter.io/ios/app/smart-sync/id1082099585)

This application synchronizes fitness data, including pedometer and heart rate information, from your smartwatch to your smartphone. It also facilitates the transfer of notifications and daily life reminders from your phone to your smartwatch.

**Highlights:** Sync pedometer data, Sync heart rate data, Sync notifications, Sync daily life reminders, Settings management

**Features:** macOS Compatibility

**In-app purchases:** none


### SPINE

[App page](https://appshunter.io/ios/app/spine-tech-neck-posture-fix/id6765985749)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $39.99 | per year |
| Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Smart Sync free?

Smart Sync is free to download, with no in-app purchases.

### Is SPINE free?

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

### Do Smart Sync or SPINE have ads?

Neither Smart Sync nor SPINE shows ads.

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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.*