# A2Z Groups vs cSync

The clearest difference is monetization model: cSync at freemium against A2Z Groups's subscription. cSync also leads on rating (5.0 vs 4.6). A2Z Groups's advantage is ratings volume (3.9K vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. A2Z Groups sells 4 in-app purchases, starting at $0.99 per year and cSync sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

cSync holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: A2Z Groups has 3.9K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | A2Z Groups | cSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (3.9K ratings)](https://appshunter.io/ios/app/a2z-groups/id622492105/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/csync-sync-google-contacts/id6757981126/reviews)** |
| Number of ratings | **3.9K** | 1 |
| Positive reviews | 81.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Subscription | **Freemium** |
| Size | 17 MB | 2 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Playa Apps](https://appshunter.io/developer/449814913) | [丹丹 李](https://appshunter.io/developer/1666474477) |

## What reviewers say

### A2Z Groups

[App page](https://appshunter.io/ios/app/a2z-groups/id622492105)

Manage your contacts and send messages or emails to groups efficiently. Organize contacts, create custom groups, and send personalized mass communications. Features include backups, birthday reminders, and contact sharing.

**Highlights:** Create and manage contact groups, Send mass texts and group emails, Backup and restore contacts, Birthday and anniversary notifications, Share and export contacts, Clone contacts and groups

**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 |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient group messaging
- 💡 Helpful for organizing contacts
- 🔒 Reliable privacy policy
- 👍 Customizable groups

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🐛 Issues with message delivery
- 🐛 Syncing problems after updates
- 🐛 Duplicate contacts
- 🐛 Disappearing notes/data

**Reported bugs**

- Contacts being deleted unexpectedly
- Inability to save contact information
- Syncing issues with Google/Outlook contacts
- Unreliable group messaging

**Requested features**

- Scheduled messaging
- Improved group management
- Better integration with native Contacts app
- Map feature
- Birthdays/anniversaries tracking


### cSync

[App page](https://appshunter.io/ios/app/csync-sync-google-contacts/id6757981126)

Streamline contact management with powerful search, comprehensive backup, and intelligent cleanup tools. Analyze contact data with visual charts and perform batch operations for efficiency.

**Highlights:** Full-field and Pinyin search, Multi-format contact backup (vCard, CSV, Excel), Duplicate contact detection and merging, Contact data statistics and visual charts, Batch operations for contacts, iCloud sync for backups

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Yearly Premium | $69.99 | per year |


## Frequently asked questions

### Is A2Z Groups free?

A2Z Groups is free to download, with in-app purchases available.

### Is cSync free?

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

### Which has better reviews, A2Z Groups or cSync?

cSync is rated higher. A2Z Groups averages 4.6 out of 5 from 3.9K ratings, while cSync averages 5.0 from 1 ratings.

### Do A2Z Groups or cSync have ads?

Neither A2Z Groups nor cSync shows ads.

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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.*