# Contacts Sync vs PugArch FSM

The clearest difference is in-app purchases: PugArch FSM at none against Contacts Sync's 3. PugArch FSM also leads on ads (none vs shown) and update cadence (weekly vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Contacts Sync sells 3 in-app purchases, starting at $1.99 per 7 days. PugArch FSM asks for nothing beyond the download.

Contacts Sync ships an update every 6 weeks, PugArch FSM weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Contacts Sync | PugArch FSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (25 ratings)](https://appshunter.io/ios/app/contacts-sync-for-google-gmail/id1644069886/reviews)** | — |
| Number of ratings | **25** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 132 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haresh Purbiya](https://appshunter.io/developer/1643672119) | [PUGARCH TECHNOLOGY PRIVATE LIMITED](https://appshunter.io/developer/1895244874) |

## What reviewers say

### Contacts Sync

[App page](https://appshunter.io/ios/app/contacts-sync-for-google-gmail/id1644069886)

Easily back up, export, and restore your phone's contacts without a computer. This app helps you find and merge duplicate entries, ensuring your address book stays organized and secure. Supports multiple export formats and cloud storage options.

**Highlights:** Contact backup to secure cloud storage, Export contacts in VCF, XLS, CSV formats, Find and merge duplicate contacts, Restore contacts from backup files, Automatic daily, weekly, monthly backups, Export backups via third-party apps

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contact backup PRO - weekly | $1.99 | per 7 days |
| Contact backup PRO - Monthly | $4.99 | per month |
| Contact backup PRO - Yearly | $19.99 | per year |


### PugArch FSM

[App page](https://appshunter.io/ios/app/pugarch-fsm/id6763279876)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contacts Sync free?

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

### Is PugArch FSM free?

PugArch FSM is free to download, with no in-app purchases.

### Do Contacts Sync or PugArch FSM have ads?

Contacts Sync shows ads; PugArch FSM does not.

### Which is updated more often, Contacts Sync or PugArch FSM?

Contacts Sync ships an update every 6 weeks, and PugArch FSM weekly. Most recently, Contacts Sync was updated on November 3, 2026 and PugArch FSM on November 5, 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.*