# Contacts Manager vs 证件水印

The clearest difference is rating: 证件水印 at 5.0 against Contacts Manager's 4.5. Contacts Manager's advantage is update cadence (every 3 months vs every 14 months) and ratings volume (92 vs 12). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Contacts Manager costs $0.99 and 证件水印 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

证件水印 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Contacts Manager has 92 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 84% of Contacts Manager's written reviews are positive against 92% of 证件水印's.

Contacts Manager ships an update every 3 months, 证件水印 every 14 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Contacts Manager | 证件水印 |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [4.5 (92 ratings)](https://appshunter.io/ios/app/contacts-manager-fast/id818968046/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/id1582930176/reviews)** |
| Number of ratings | **92** | 12 |
| Positive reviews | 84.2% of reviews | **92.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 14 months |
| Monetization | **Free** | Paid |
| Size | 11 MB | 2 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Chuansheng Jia](https://appshunter.io/developer/1845615575) | [阳理 江](https://appshunter.io/developer/1645314423) |

## What reviewers say

### Contacts Manager

[App page](https://appshunter.io/ios/app/contacts-manager-fast/id818968046)

Organize your address book with advanced AI. Easily back up, merge duplicates, and manage contacts. Send group messages and delete entries in bulk for a cleaner, more efficient contact list.

**Highlights:** AI-powered contact management, One-click vCard backup and sync, Intelligent duplicate contact merging, Detects expired and frequently used numbers, Group SMS sending, Batch contact deletion

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

**In-app purchases:** none


### 证件水印

[App page](https://appshunter.io/ios/app/id1582930176)

This utility app allows users to add text watermarks to documents and photos, protecting personal information from misuse. It supports batch processing for up to 50 images and can export in PDF or image formats, including an A4 print mode.

**Highlights:** Add text watermarks, Protect privacy information, A4 copy print mode, Export PDF or image, Batch watermark up to 50 photos, No network requests

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Contacts Manager free?

Contacts Manager costs $0.99, with no in-app purchases.

### Is 证件水印 free?

证件水印 costs $1.99, with no in-app purchases.

### Which has better reviews, Contacts Manager or 证件水印?

证件水印 is rated higher. Contacts Manager averages 4.5 out of 5 from 92 ratings, while 证件水印 averages 5.0 from 12 ratings.

### Do Contacts Manager or 证件水印 have ads?

Neither Contacts Manager nor 证件水印 shows ads.

### Which is updated more often, Contacts Manager or 证件水印?

Contacts Manager ships an update every 3 months, and 证件水印 every 14 months. Most recently, Contacts Manager was updated on November 1, 2026 and 证件水印 on November 3, 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.*