Millimeter Pro vs Viaskin
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
Viaskin
Read full descriptionHide full description
主要功能： 1、通过蓝牙连接测色仪，采集颜色数据，设置测色仪参数，对仪器进行校准等操作。 2、测量颜色数据，包含反射率、CIE-LABCH、三刺激值XYZ、Yxy、RGB、密度（A/T/M/E)、同色异谱、遮盖力、白度、黄度、黑底、力分、着色力、色牢度等颜色参数。 3、颜色比较，判断颜色是否合格，多种色差公式（ΔE*ab，ΔE*94，ΔE*00，ΔEcmc等）。 4、颜色存储，能够轻松的建立自己的颜色数据，并将颜色数据保存到颜色数据库中。 5、颜色查找，测量一个颜色，可以快速的在颜色数据库中间找到最接近的颜色数据。 3,739
Screenshots
Verdict
The clearest difference is price: Viaskin at Free against Millimeter Pro's $3.99. Millimeter Pro's advantage is update cadence (every 4 months vs every 23 months). On ads, in-app purchases, device support and iOS requirement 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
Viaskin is free to download; Millimeter Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Millimeter Pro ships an update every 4 months, Viaskin every 23 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.
| Parameter | Millimeter Pro | Viaskin |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.4 (109 ratings) — better | — |
| Positive reviews | 57.9% of reviews | — |
| Number of ratings | 109 — better | — |
| Update frequency | Every 4 months — better | Every 23 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 24 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | VisTech.Projects LLC | 坤 杨 |
In-app purchases
Millimeter Pro
No in-app purchases
Viaskin
No in-app purchases
