# Contacts Sync vs Google One

Contacts Sync and Google One both sit at 4.6 stars, but that hides the real split: 78% of Contacts Sync's written reviews are positive against 28% of Google One's. Contacts Sync also leads on update cadence (every 5 days vs fortnightly). Google One's advantage is chart position (#48 vs unranked). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Contacts Sync sells 7 in-app purchases, starting at $1.99 per 7 days and Google One sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Contacts Sync against 4.7 for Google One. Both are backed by a comparable volume of ratings — 15K and 23K respectively. Written reviews are what separate them: 78% of Contacts Sync's written reviews are positive against 28% of Google One's.

Contacts Sync ships an update every 5 days, Google One fortnightly. Both last shipped on September 24, 2026.

## The numbers

| Metric | Contacts Sync | Google One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (15K ratings)](https://appshunter.io/ios/app/contacts-sync-google-and-more/id454390333/reviews) | **[4.7 (23K ratings)](https://appshunter.io/ios/app/google-one/id1451784328/reviews)** |
| Number of ratings | 15K | **23K** |
| Positive reviews | **78.2% of reviews** | 27.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#48** |
| Size | 43 MB | 192 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Playa Apps](https://appshunter.io/developer/449814913) | [Google](https://appshunter.io/developer/281956209) |

## What reviewers say

### Contacts Sync

[App page](https://appshunter.io/ios/app/contacts-sync-google-and-more/id454390333)

Effortlessly synchronize your contacts across Google, Outlook, and iPhone. This reliable app ensures your contact information is up-to-date everywhere with 2-way syncing and support for all contact fields and photos.

**Highlights:** 2-way contact synchronization, Sync Google, Outlook, and iPhone accounts, Syncs all contact fields and photos, Automatic background syncing, Group and custom label synchronization, Duplicate contact elimination

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 Week) | $1.99 | per 7 days |
| Premium (1 Month) | $2.99 | per month |
| Premium (1 Year) | $9.99 | per year |
| Automatic Contact Syncing | Free | one-time |
| Make Contribution | $4.99 | one-time |
| Make Larger Contribution | $9.99 | one-time |
| Premium (Lifetime Access) | $11.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💡 Useful for syncing contacts across devices
- 🔒 Reliable and secure
- 🙌 Great customer support

**What reviewers complain about**

- 🐛 Occasional sync issues
- 💰 Paid subscription required for more than 40 contacts
- 🔄 Confusion around syncing and merging contacts
- 🤔 Inconsistent contact formatting after sync

**Reported bugs**

- Deleted contacts reappearing after sync
- Sync corrupting or deleting existing contact data

**Requested features**

- Ability to merge duplicate contacts
- Sync support for Outlook contacts
- Automatic sync between multiple Google accounts
- Undo/rollback option for sync operations


### Google One

[App page](https://appshunter.io/ios/app/google-one/id1451784328)

**Currently charting:** #48 Top Grossing · Productivity, #54 Top Free · Productivity (US App Store)

Safely back up your phone's photos, contacts, and messages to the cloud. Manage your Google account storage across Drive, Gmail, and Photos, and easily free up space. Upgrade for more storage and benefits.

**Highlights:** Phone backup (photos, contacts, messages), Cloud storage management, Free up space tool, Storage upgrade options, Cross-service storage view

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 GB | $1.99 | per month |
| 100 GB | $1.99 | per month |
| 200 GB | $2.99 | per month |
| 200 GB | $2.99 | per month |
| Google AI Plus (2 TB) | $9.99 | per month |
| Google AI Plus (2 TB) | $9.99 | per month |
| 100 GB | $19.99 | per year |
| 100 GB | $19.99 | per year |
| 200 GB | $29.99 | per year |
| 2 TB | $99.99 | per year |

**What reviewers like**

- 🚀 Convenient storage management
- 👍 Helpful for organizing files
- 🤖 Integrates with other Google services

**What reviewers complain about**

- 🐛 Unreliable VPN connection
- 🔒 Poor account security and refund policies
- 💸 Misleading subscription offers
- 🤯 Confusing and frustrating user experience

**Reported bugs**

- VPN disconnects internet connectivity
- Inability to disable VPN within app
- Incompatibility issues with iOS updates

**Requested features**

- Allow changing VPN location
- Improve offline functionality
- Add duplicate file management


## Frequently asked questions

### Is Contacts Sync free?

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

### Is Google One free?

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

### Which has better reviews, Contacts Sync or Google One?

Google One is rated higher. Contacts Sync averages 4.6 out of 5 from 15K ratings, while Google One averages 4.7 from 23K ratings.

### Do Contacts Sync or Google One have ads?

Neither Contacts Sync nor Google One shows ads.

### Which is updated more often, Contacts Sync or Google One?

Contacts Sync ships an update every 5 days, and Google One fortnightly. Most recently, Contacts Sync was updated on September 24, 2026 and Google One on September 24, 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.*