# A2Z Groups vs PinStamp

The clearest difference is monetization model: PinStamp at free with in-app purchases against A2Z Groups's subscription. PinStamp also leads on review sentiment (100% vs 82%). A2Z Groups's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 months). On price, rating, 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 PinStamp sells 6 in-app purchases, starting at $4.49 per month. Whichever you choose, the download price is not the number that matters.

PinStamp holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: A2Z Groups has 3.9K ratings behind it against 29, so its average is the more settled of the two. Written reviews point the same way: 82% of A2Z Groups's written reviews are positive against 100% of PinStamp's.

A2Z Groups ships an update every 3 weeks, PinStamp every 6 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | A2Z Groups | PinStamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (3.9K ratings)](https://appshunter.io/ios/app/a2z-groups/id622492105/reviews) | **[4.8 (29 ratings)](https://appshunter.io/ios/app/pinstamp-gps-map-camera/id6443891970/reviews)** |
| Number of ratings | **3.9K** | 29 |
| Positive reviews | 82.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 17 MB | 43 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Playa Apps](https://appshunter.io/developer/449814913) | [Yalintech](https://appshunter.io/developer/1530568426) |

## 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


### PinStamp

[App page](https://appshunter.io/ios/app/pinstamp-gps-map-camera/id6443891970)

Capture photos with essential location and time details automatically stamped. Customize stamp styles, add notes, and generate PDF reports. Works offline and offers advanced camera features.

**Highlights:** Automatic GPS and timestamp stamping, Customizable stamp styles and layouts, Offline functionality for coordinates, PDF photo report generation, Add notes and job details, Stamp gallery photos, Advanced camera controls

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.49 | per month |
| PinStamp Pro – Monthly | $4.99 | per month |
| App purchase | $7.49 | per year |
| PinStamp Pro – Yearly | $14.99 | per year |
| One time purchase | $10.99 | one-time |
| PinStamp Pro – Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is A2Z Groups free?

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

### Is PinStamp free?

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

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

PinStamp is rated higher. A2Z Groups averages 4.6 out of 5 from 3.9K ratings, while PinStamp averages 4.8 from 29 ratings.

### Do A2Z Groups or PinStamp have ads?

PinStamp shows ads; A2Z Groups does not.

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

A2Z Groups ships an update every 3 weeks, and PinStamp every 6 months. Most recently, A2Z Groups was updated on November 6, 2026 and PinStamp on November 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.*