# Site Checker vs Sandflow

The clearest difference is price: Sandflow at Free against Site Checker's $1.99. Sandflow also leads on update cadence (every 9 days vs every 2 months) and review sentiment (71% vs 57%). Site Checker's advantage is in-app purchases (none vs 5). On rating, ratings volume, ads and device support there is nothing between them.

Sandflow is free to download; Site Checker costs $1.99 up front. Sandflow sells 5 in-app purchases, starting at $3.99 per month. Site Checker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.4 for Site Checker against 3.5 for Sandflow. Both are backed by a comparable volume of ratings — 12 and 10 respectively. Written reviews are what separate them: 57% of Site Checker's written reviews are positive against 71% of Sandflow's.

Site Checker ships an update every 2 months, Sandflow every 9 days. The most recent releases landed on September 18, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Site Checker | Sandflow |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.4 (12 ratings)](https://appshunter.io/ios/app/site-checker-down-detector/id1630945886/reviews) | **[3.5 (10 ratings)](https://appshunter.io/ios/app/sandflow-screen-time-control/id6452629146/reviews)** |
| Number of ratings | **12** | 10 |
| Positive reviews | 57.1% of reviews | **70.6% 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 | 95 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tamara Dudarenko](https://appshunter.io/developer/1602845370) | [MoneyCoach UG](https://appshunter.io/developer/1170891449) |

## 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


### Sandflow

[App page](https://appshunter.io/ios/app/sandflow-screen-time-control/id6452629146)

This app helps you monitor and limit your daily phone and app usage. It tracks time spent on specific applications and games, offering insights to foster healthier digital habits and improve productivity. Features include leaderboards and real-time usage widgets.

**Highlights:** App usage tracking, Screen time limits, Dynamic Island stopwatch integration, Leaderboards for app usage, Home Screen widgets, Usage insights and analytics

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $3.99 | per month |
| Premium Monthly Family | $8.99 | per month |
| Screen Time Realtime Plus | $13.99 | per year |
| Premium Yearly Family | $28.99 | per year |
| Lifetime Plus | $49.99 | one-time |


## Frequently asked questions

### Is Site Checker free?

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

### Is Sandflow free?

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

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

Sandflow is rated higher. Site Checker averages 3.4 out of 5 from 12 ratings, while Sandflow averages 3.5 from 10 ratings.

### Do Site Checker or Sandflow have ads?

Neither Site Checker nor Sandflow shows ads.

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

Site Checker ships an update every 2 months, and Sandflow every 9 days. Most recently, Site Checker was updated on September 18, 2026 and Sandflow on September 26, 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.*