# A2Z Groups vs SynergyOS

The clearest difference is in-app purchases: SynergyOS at none against A2Z Groups's 5. SynergyOS also leads on rating (5.0 vs 4.6) and update cadence (every 5 days vs every 3 weeks). A2Z Groups's advantage is ratings volume (3.9K vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. A2Z Groups sells 4 in-app purchases, starting at $0.99 per year. SynergyOS asks for nothing beyond the download.

SynergyOS 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.

A2Z Groups ships an update every 3 weeks, SynergyOS every 5 days. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | A2Z Groups | SynergyOS |
| --- | --- | --- |
| 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/synergyos/id6743176559/reviews)** |
| Number of ratings | **3.9K** | 1 |
| Positive reviews | 81.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Subscription | **Free** |
| Size | 17 MB | 28 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Playa Apps](https://appshunter.io/developer/449814913) | [Synergy Inc.](https://appshunter.io/developer/1585984272) |

## 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


### SynergyOS

[App page](https://appshunter.io/ios/app/synergyos/id6743176559)

Enhance team productivity and collaboration with a unified platform for communication and file management. This secure app enables instant chats and efficient organization, allowing teams to work together seamlessly from any location.

**Highlights:** Instant team chats, Secure file management, Unified platform, Remote work support, Efficient organization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A2Z Groups free?

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

### Is SynergyOS free?

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

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

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

### Do A2Z Groups or SynergyOS have ads?

Neither A2Z Groups nor SynergyOS shows ads.

### Which is updated more often, A2Z Groups or SynergyOS?

A2Z Groups ships an update every 3 weeks, and SynergyOS every 5 days. Most recently, A2Z Groups was updated on October 20, 2026 and SynergyOS on October 7, 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.*