# Duplicate Contacts Manager vs ServiceFirst

The clearest difference is in-app purchases: ServiceFirst at none against Duplicate Contacts Manager's 1. ServiceFirst also leads on ads (none vs shown). Duplicate Contacts Manager's advantage is update cadence (every 3 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Duplicate Contacts Manager sells 1 one-off in-app purchase. ServiceFirst asks for nothing beyond the download.

Duplicate Contacts Manager ships an update every 3 weeks, ServiceFirst every 3 months. The most recent releases landed on September 26, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Duplicate Contacts Manager | ServiceFirst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (763 ratings)](https://appshunter.io/ios/app/duplicate-contacts-manager/id1141369653/reviews)** | — |
| Number of ratings | **763** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 65 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Vimal Jain](https://appshunter.io/developer/893943448) | [MILS Engineering S.r.l.](https://appshunter.io/developer/963138667) |

## What reviewers say

### Duplicate Contacts Manager

[App page](https://appshunter.io/ios/app/duplicate-contacts-manager/id1141369653)

This app helps you clean up your address book by merging and removing duplicate contacts. It offers various options for identifying and resolving duplicates based on identical information, similar names, or phone numbers. You can also back up and restore your contacts for safety.

**Highlights:** Merge duplicate contacts, Remove contacts with missing info, Backup and restore contacts, Identify identical contacts, Merge contacts with similar names, Merge contacts with similar phone numbers

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Merger Pro | $0.99 | one-time |

**What reviewers like**

- ✨ Easy and straightforward to use
- 🚀 Efficient at merging and deleting duplicate contacts
- 💰 Free app with no in-app purchases
- 📤 Backup and export contacts functionality

**What reviewers complain about**

- 🔍 Inconsistent contact matching, some duplicates missed
- 📷 Issues with contact photos (e.g. replaced with random photos)
- 🔁 Repetitive scanning and loading process
- 📢 Intrusive ads that can't be disabled

**Reported bugs**

- App crashes or freezes during contact processing
- Merged contacts losing important details like notes and birthdays
- Incorrect contact information after merging (e.g. wrong phone numbers)

**Requested features**

- Undo/rollback functionality
- More granular control over merge/delete options
- Support for sorting and filtering contacts
- Backup and restore options for contact data


### ServiceFirst

[App page](https://appshunter.io/ios/app/servicefirst/id6746189152)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Duplicate Contacts Manager free?

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

### Is ServiceFirst free?

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

### Do Duplicate Contacts Manager or ServiceFirst have ads?

Duplicate Contacts Manager shows ads; ServiceFirst does not.

### Which is updated more often, Duplicate Contacts Manager or ServiceFirst?

Duplicate Contacts Manager ships an update every 3 weeks, and ServiceFirst every 3 months. Most recently, Duplicate Contacts Manager was updated on September 26, 2026 and ServiceFirst on September 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.*