# World Time Check vs Secure Watermark

The clearest difference is price: Secure Watermark at Free against World Time Check's $0.99. Secure Watermark also leads on update cadence (every 2 weeks vs every 5 months). World Time Check's advantage is iOS requirement (15.5 vs 17.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Secure Watermark is free to download; World Time Check costs $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 — 1.0 for World Time Check against 1.0 for Secure Watermark. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

World Time Check ships an update every 5 months, Secure Watermark every 2 weeks. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | World Time Check | Secure Watermark |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/world-time-check/id521449019/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/secure-watermark/id6504274596/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 2 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SHUJI FUKUNAGA](https://appshunter.io/developer/469076836) | [泽海 黄](https://appshunter.io/developer/1069894245) |

## What reviewers say

### World Time Check

[App page](https://appshunter.io/ios/app/world-time-check/id521449019)

Easily view and compare current times across multiple global cities simultaneously. This utility helps you coordinate international meetings or plan travel by showing time differences with intuitive scrolling and real-time synchronization.

**Highlights:** Multiple cities at once, Real-time sync, Check future times, Easy city search, Custom date & time, Daylight saving support

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

**In-app purchases:** none


### Secure Watermark

[App page](https://appshunter.io/ios/app/secure-watermark/id6504274596)

Easily protect your sensitive documents and digital creations from unauthorized use. Add custom text, image, or handwritten signature watermarks to photos, IDs, and artwork. Offers advanced customization for text and image placement, with ID mode for seamless document protection.

**Highlights:** Rich text watermarks with full customization, Image watermarks with adjustable transparency, Handwritten signature watermarks, ID mode for secure document protection, Export as image or PDF at 300 DPI, Watermark management list

**In-app purchases:** none


## Frequently asked questions

### Is World Time Check free?

World Time Check costs $0.99, with no in-app purchases.

### Is Secure Watermark free?

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

### Which has better reviews, World Time Check or Secure Watermark?

World Time Check and Secure Watermark are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do World Time Check or Secure Watermark have ads?

Neither World Time Check nor Secure Watermark shows ads.

### Which is updated more often, World Time Check or Secure Watermark?

World Time Check ships an update every 5 months, and Secure Watermark every 2 weeks. Most recently, World Time Check was updated on September 8, 2026 and Secure Watermark on June 1, 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.*