# 证件水印 vs BetterCallGuard

The clearest difference is update cadence: BetterCallGuard at every 6 weeks against 证件水印's every 14 months. BetterCallGuard also leads on review sentiment (100% vs 92%) and price ($0.99 vs $1.99). 证件水印's advantage is ratings volume (12 vs 1). On rating, ads, in-app purchases and monetization model there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for 证件水印 against 5.0 for BetterCallGuard. That said, the two scores are not equally well evidenced: 证件水印 has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 92% of 证件水印's written reviews are positive against 100% of BetterCallGuard's.

证件水印 ships an update every 14 months, BetterCallGuard every 6 weeks. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 证件水印 | BetterCallGuard |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | [5.0 (12 ratings)](https://appshunter.io/ios/app/id1582930176/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/bettercallguard/id6737252351/reviews) |
| Number of ratings | **12** | 1 |
| Positive reviews | 92.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 2 MB | 24 MB |
| Requires iOS | 14.0 | 14 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [阳理 江](https://appshunter.io/developer/1645314423) | [Qingdao Chuyan Technology Co., Ltd](https://appshunter.io/developer/1450752232) |

## What reviewers say

### 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


### BetterCallGuard

[App page](https://appshunter.io/ios/app/bettercallguard/id6737252351)

Block unwanted promotional and spam calls efficiently. This app uses smart algorithms to block calls in bulk by number segments without tracking your private data, ensuring your privacy and peace of mind.

**Highlights:** Block promotional/spam calls, Bulk blocking by number segments, Whitelist specific numbers, iCloud synchronization, User data and privacy security

**In-app purchases:** none


## Frequently asked questions

### Is 证件水印 free?

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

### Is BetterCallGuard free?

BetterCallGuard costs $0.99, with no in-app purchases.

### Which has better reviews, 证件水印 or BetterCallGuard?

证件水印 and BetterCallGuard are both rated 5.0 out of 5 on the App Store, from 12 and 1 ratings respectively.

### Do 证件水印 or BetterCallGuard have ads?

Neither 证件水印 nor BetterCallGuard shows ads.

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

证件水印 ships an update every 14 months, and BetterCallGuard every 6 weeks. Most recently, 证件水印 was updated on November 7, 2026 and BetterCallGuard on November 4, 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.*