# Contacts Sync vs ABC Contacts

The clearest difference is ads: Contacts Sync at none against ABC Contacts's shown. Contacts Sync also leads on update cadence (every 5 days vs every 2 months) and ratings volume (15K vs 1.2K). ABC Contacts's advantage is iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and in-app purchases 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 ABC Contacts sells 4 in-app purchases, starting at $0.99 per year. 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 4.6 for ABC Contacts. That said, the two scores are not equally well evidenced: Contacts Sync has 15K ratings behind it against 1.2K, so its average is the more settled of the two. Written reviews are what separate them: 79% of Contacts Sync's written reviews are positive against 87% of ABC Contacts's.

Contacts Sync ships an update every 5 days, ABC Contacts every 2 months. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Contacts Sync | ABC Contacts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (15K ratings)](https://appshunter.io/ios/app/contacts-sync-google-and-more/id454390333/reviews) | **[4.6 (1.2K ratings)](https://appshunter.io/ios/app/abc-contacts/id685048714/reviews)** |
| Number of ratings | **15K** | 1.2K |
| Positive reviews | 79.3% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 40 MB | 19 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Playa Apps](https://appshunter.io/developer/449814913) | [Playa Apps](https://appshunter.io/developer/449814913) |

## 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


### ABC Contacts

[App page](https://appshunter.io/ios/app/abc-contacts/id685048714)

Manage your contacts with ease. Create, edit, and delete contacts and groups, send mass texts and emails, and organize your address book. Features include backups, birthday notifications, and sharing options.

**Highlights:** Create, edit, and delete contacts & groups, Send mass texts and group emails, Backup and restore contacts, Birthday and anniversary notifications, Share and export contacts, Organize contacts by company and favorites

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 Year) | $0.99 | per year |
| Premium (Lifetime Access) | $1.99 | one-time |
| Make Contribution | $4.99 | one-time |
| Larger Contribution | $9.99 | one-time |


## Frequently asked questions

### Is Contacts Sync free?

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

### Is ABC Contacts free?

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

### Which has better reviews, Contacts Sync or ABC Contacts?

ABC Contacts is rated higher. Contacts Sync averages 4.6 out of 5 from 15K ratings, while ABC Contacts averages 4.6 from 1.2K ratings.

### Do Contacts Sync or ABC Contacts have ads?

ABC Contacts shows ads; Contacts Sync does not.

### Which is updated more often, Contacts Sync or ABC Contacts?

Contacts Sync ships an update every 5 days, and ABC Contacts every 2 months. Most recently, Contacts Sync was updated on October 28, 2026 and ABC Contacts on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*