# MultiSync vs GuardWatch PRO

The clearest difference is in-app purchases: GuardWatch PRO at none against MultiSync's 4. GuardWatch PRO also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (12.4 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. MultiSync sells 4 in-app purchases, starting at $2.99 per month. GuardWatch PRO asks for nothing beyond the download.

MultiSync ships an update every 6 weeks, GuardWatch PRO fortnightly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MultiSync | GuardWatch PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 70 MB | 17 MB |
| Requires iOS | 16.0 | **12.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michelin](https://appshunter.io/developer/994145743) | [Prodeos](https://appshunter.io/developer/1656000355) |

## What reviewers say

### MultiSync

[App page](https://appshunter.io/ios/app/multisync/id1631133422)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pressure Monitoring - Monthly | $2.99 | per month |
| My Tire Engineer - Monthly | $3.99 | per month |
| Pressure Monitoring - Yearly | $29.99 | per year |
| My Tire Engineer - Yearly | $44.99 | per year |


### GuardWatch PRO

[App page](https://appshunter.io/ios/app/guardwatch-pro/id6444667377)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MultiSync free?

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

### Is GuardWatch PRO free?

GuardWatch PRO is free to download, with no in-app purchases.

### Do MultiSync or GuardWatch PRO have ads?

Neither MultiSync nor GuardWatch PRO shows ads.

### Which is updated more often, MultiSync or GuardWatch PRO?

MultiSync ships an update every 6 weeks, and GuardWatch PRO fortnightly. Most recently, MultiSync was updated on October 7, 2026 and GuardWatch PRO on October 9, 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.*