Millimeter Pro vs Site Checker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Millimeter Pro
This app transforms your device into a versatile measuring tool. It allows for precise measurements of length, area, diameter, and angles using the touchscreen. Easily split objects into equal parts and switch between millimeters and inches for your convenience.
- Touchscreen ruler and tape measure
- Measure length, area, diameter, and angles
- Split objects into equal parts
- Supports millimeters and inches
- Estimate radius
- Thread pitch gauge
Read full descriptionHide full description
App blog: https://goo.gl/da6LdZ Millimeter Pro is an easy-to-use and helpful measurement tool for iPhone or iPad. It uses a touch screen as a ruler or tape measure to make quick measurements, split objects into equal parts, measure object ratio (W/H), measure area, estimate diameter and angles, and split circular objects into equal parts. Place an object on the screen and simply touch and move rulers to measure it. You can measure in different units: MILLIMETERS or INCHES. Features: - mm and inch units - 2D measurements: vertical and horizontal rulers - area calculation - ratio calculation (W/H) - split linear and circular objects into equal parts - shows the length and angle of each part - disable/enable touch screen (freeze feature) - diameter or radius estimation - angle measure with Protractor / Goniometer mode - Thread pitch gauge for TPI and pitch size measurements Use this app in different areas to measure small objects that fit within your phone or tablet screen: jewelry, rings, stones, gem, beads, screws, bolts, buttons, nuts, knitting needles, knitting patterns, washers, insects, mosaic tile, hooks, frame wrap angle, etc. Enjoy the app and Thank you for your interest and support! VisTech.Projects Team
Site Checker
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.
- 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
Read full descriptionHide full description
Site Checker — a set of web tool utilities for monitoring the stability of your WiFi and mobile data connection. This application has a built-in HTTP test for REST API checks and a downtime detector to verify site access from different countries. The app works on 3G/4G/5G/LTE and WiFi networks, like home and corporate ones. You can use the app even with a VPN or proxy server on your router. With just a couple of clicks, check if your favorite sites are down right now. This is a must-have web tool for system administrators and web developers, helping to solve problems with DNS and test connections on your ISP's nodes. Get the app today and check your network speed and website availability!
Screenshots
Verdict
The clearest difference is rating: Millimeter Pro at 4.4 against Site Checker's 3.4. Millimeter Pro also leads on chart position (#186 vs unranked) and ratings volume (109 vs 12). Site Checker's advantage is update cadence (every 3 weeks vs every 4 months) and price ($1.90 vs $3.99). On review sentiment, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Millimeter Pro costs $3.99 and Site Checker $1.90 up front. Neither carries in-app purchases, so what you see is what you pay.
Millimeter Pro holds the better App Store score, 4.4 against 3.4. That said, the two scores are not equally well evidenced: Millimeter Pro has 109 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 58% of Millimeter Pro's written reviews are positive against 50% of Site Checker's.
Millimeter Pro ships an update every 4 months, Site Checker every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | Millimeter Pro | Site Checker |
|---|---|---|
| Price | $3.99 | $1.90 — better |
| Rating | 4.4 (109 ratings) — better | 3.4 (12 ratings) |
| Positive reviews | 57.9% of reviews — better | 50.0% of reviews |
| Number of ratings | 109 — better | 12 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #186 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 24 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | VisTech.Projects LLC | Tamara Dudarenko |
Customer experience
Millimeter Pro
Site Checker
In-app purchases
Millimeter Pro
No in-app purchases
Site Checker
No in-app purchases
Questions
Is Millimeter Pro free?
Is Site Checker free?
Which has better reviews, Millimeter Pro or Site Checker?
Do Millimeter Pro or Site Checker have ads?
Which is updated more often, Millimeter Pro or Site Checker?
Other comparisons















