# Contacts+ | Address Book vs Contacts Sync Pro

The clearest difference is price: Contacts+ | Address Book at Free against Contacts Sync Pro's $9.99. Contacts+ | Address Book also leads on update cadence (every 2 weeks vs every 3 months) and ratings volume (5.8K vs 802). Contacts Sync Pro's advantage is review sentiment (87% vs 60%) and rating (4.7 vs 4.5). On ads, in-app purchases, monetization model and device support there is nothing between them.

Contacts+ | Address Book is free to download; Contacts Sync Pro costs $9.99 up front. Contacts+ | Address Book sells 8 in-app purchases, starting at $9.99 per month and Contacts Sync Pro sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Contacts Sync Pro holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Contacts+ | Address Book has 5.8K ratings behind it against 802, so its average is the more settled of the two. Written reviews point the same way: 60% of Contacts+ | Address Book's written reviews are positive against 87% of Contacts Sync Pro's.

Contacts+ | Address Book ships an update every 2 weeks, Contacts Sync Pro every 3 months. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Contacts+ | Address Book | Contacts Sync Pro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [4.5 (5.8K ratings)](https://appshunter.io/ios/app/contacts-plus-address-book/id579616837/reviews) | **[4.7 (802 ratings)](https://appshunter.io/ios/app/contacts-sync-pro/id686378579/reviews)** |
| Number of ratings | **5.8K** | 802 |
| Positive reviews | 60.0% of reviews | **87.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#180** |
| Size | 52 MB | 44 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [FullContact Inc.](https://appshunter.io/developer/489685226) | [Playa Apps](https://appshunter.io/developer/449814913) |

## What reviewers say

### Contacts+ | Address Book

[App page](https://appshunter.io/ios/app/contacts-plus-address-book/id579616837)

This cloud-based address book simplifies contact management by syncing across devices and accounts. It offers features like contact deduplication, business card scanning, and automatic enrichment to keep your information organized and up-to-date.

**Highlights:** Cross-device, cross-platform sync, Contact deduplication, Scan and save business cards, Tag contacts and add notes, Automatic contact enrichment, Spam blocking

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $9.99 | per month |
| Contacts+ Quarterly Premium | $13.99 | per month |
| Contacts+ Monthly Premium | $15.99 | per month |
| Premium (Quarterly) | $29.99 | per 3 months |
| Contacts+ Quarterly Premium | $39.99 | per 3 months |
| Premium (Annual) | $99.99 | per year |
| Contacts+ Yearly Premium | $119.99 | per year |
| Pack of 100 business cards | $9.99 | one-time |

**What reviewers like**

- 🚀 Easy contact management
- 🔍 Useful contact enrichment
- 📚 Great contact organization
- 🔗 Seamless sync across platforms

**What reviewers complain about**

- 🐛 Unreliable sync and data loss
- 💰 Expensive subscription model
- 🔍 Inaccurate contact information
- 🤯 Confusing user experience

**Reported bugs**

- App crashes and freezes on latest iOS versions
- Sync issues causing duplicate and missing contacts
- Inability to restore deleted or lost contacts

**Requested features**

- Native integration with Outlook and Microsoft 365
- Improved contact deduplication and merging
- Better support for international contacts and languages
- Customizable contact fields and views


### Contacts Sync Pro

[App page](https://appshunter.io/ios/app/contacts-sync-pro/id686378579)

**Currently charting:** #180 Top Paid · Productivity (US App Store)

Effortlessly synchronize your contacts across Google, iCloud, and Outlook. This reliable app ensures your contact information is up-to-date on your iPhone, supporting two-way syncing and preserving all contact details and groups.

**Highlights:** Sync Google, iCloud, and Outlook contacts, Two-way and one-way sync options, Syncs all contact fields and photos, Preserves Google labels and Outlook categories, Automatic background syncing, Duplicate contact elimination, Confirm changes before syncing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Syncs | Free | one-time |
| Automatic Contact Syncing | Free | one-time |
| Make Contribution | $4.99 | one-time |
| Make Larger Contribution | $9.99 | one-time |

**What reviewers like**

- 🚀 Works flawlessly
- 👍 Easy to use
- 🚀 Reliable and accurate
- 🚀 Keeps contacts in sync
- 👍 Excellent responsiveness from developer

**What reviewers complain about**

- 🐛 UX has subtly changed for the worse
- 🐛 Confusing to use for just syncing one contact
- 🐛 Doesn't sync Gmail groups

**Reported bugs**

- Caused massive increase in number of contacts
- Eliminated all existing contacts

**Requested features**

- Improved handling of duplicate contacts
- Better side-by-side comparison of contacts


## Frequently asked questions

### Is Contacts+ | Address Book free?

Contacts+ | Address Book is free to download, with in-app purchases available.

### Is Contacts Sync Pro free?

Contacts Sync Pro costs $9.99, and also offers in-app purchases.

### Which has better reviews, Contacts+ | Address Book or Contacts Sync Pro?

Contacts Sync Pro is rated higher. Contacts+ | Address Book averages 4.5 out of 5 from 5.8K ratings, while Contacts Sync Pro averages 4.7 from 802 ratings.

### Do Contacts+ | Address Book or Contacts Sync Pro have ads?

Neither Contacts+ | Address Book nor Contacts Sync Pro shows ads.

### Which is updated more often, Contacts+ | Address Book or Contacts Sync Pro?

Contacts+ | Address Book ships an update every 2 weeks, and Contacts Sync Pro every 3 months. Most recently, Contacts+ | Address Book was updated on September 23, 2026 and Contacts Sync Pro on September 25, 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.*