# Site Checker vs WDM

The clearest difference is review sentiment: WDM at 100% against Site Checker's 50%. WDM also leads on price (Free vs $1.99) and rating (4.8 vs 3.4). Site Checker's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ratings volume, ads and iOS requirement there is nothing between them.

WDM is free to download; Site Checker costs $1.99 up front. WDM sells 1 one-off in-app purchase. Site Checker asks for nothing beyond the download.

WDM holds the better App Store score, 4.8 against 3.4. Both are backed by a comparable volume of ratings — 12 and 5 respectively. Written reviews point the same way: 50% of Site Checker's written reviews are positive against 100% of WDM's.

Site Checker ships an update every 2 months, WDM every 9 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Site Checker | WDM |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.4 (12 ratings)](https://appshunter.io/ios/app/site-checker-down-detector/id1630945886/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/wdm-message-without-saving/id6450598935/reviews)** |
| Number of ratings | **12** | 5 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 9 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tamara Dudarenko](https://appshunter.io/developer/1602845370) | [Ravi Pansuriya](https://appshunter.io/developer/1633190964) |

## What reviewers say

### Site Checker

[App page](https://appshunter.io/ios/app/site-checker-down-detector/id1630945886)

This app provides web tool utilities to monitor network connection stability and website availability. It includes HTTP tests for API checks and a downtime detector to verify site access globally. Useful for system administrators and web developers to troubleshoot DNS and ISP connection issues.

**Highlights:** WiFi and mobile data connection monitoring, HTTP test for REST API checks, Downtime detector for site access, Works on 3G/4G/5G/LTE and WiFi, Supports VPN and proxy servers, Troubleshoots DNS and ISP connection issues

**In-app purchases:** none


### WDM

[App page](https://appshunter.io/ios/app/wdm-message-without-saving/id6450598935)

Instantly start chats with unsaved numbers without cluttering your contacts. Paste or scan numbers, and begin messaging immediately. Features smart detection and a history of recent conversations for effortless communication.

**Highlights:** Start instant chats with unsaved numbers, Smart number detection from clipboard, Scan numbers and QR codes, Built-in dialer, History of recent conversations, Ad-free experience

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Us a Coffee | $0.99 | one-time |


## Frequently asked questions

### Is Site Checker free?

Site Checker costs $1.99, with no in-app purchases.

### Is WDM free?

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

### Which has better reviews, Site Checker or WDM?

WDM is rated higher. Site Checker averages 3.4 out of 5 from 12 ratings, while WDM averages 4.8 from 5 ratings.

### Do Site Checker or WDM have ads?

Neither Site Checker nor WDM shows ads.

### Which is updated more often, Site Checker or WDM?

Site Checker ships an update every 2 months, and WDM every 9 days. Most recently, Site Checker was updated on October 12, 2026 and WDM on October 14, 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.*