Pixel Density Calculator vs BAP String Building Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pixel Density Calculator
Calculate the pixels per inch (PPI) or dots per inch (DPI) for any display. This tool helps determine screen resolution based on dimensions and pixel count, also calculating screen size, aspect ratio, and megapixels.
- Calculate Pixels Per Inch (PPI)
- Calculate Dots Per Inch (DPI)
- Determine screen size
- Calculate aspect ratio
- Megapixel count calculation
- Shape preview
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Pixel Density Calculator are used for calculating pixels per inch (PPI) or dots per inch (DPI) of any display based on its dimensions and the pixel count. PPI is a measure of pixel density or resolution of a monitors, smartphones, tablets, smart watches, computer screen, notebooks, television screen or other display device. Pixels per inch indicates how many pixels are in a 1 inch line on a display. Also calculated are screen size, screen width, screen height, aspect ratio and total number of megapixels. Calculation including shape preview. The formula to calculate PPI from diagonal: PPI = √(w² + h²)/d where: d – Diagonal screen size in inches. w – Number of pixels along the horizontal line. h – Number of pixels along the vertical line. Calculate the number of pixels that fit on the diagonal: d = √(w² + h²) where: w - Number of pixels along the horizontal line. h - Number of pixels along the vertical line. Then, calculate the PPI as the ratio between the number of pixels along the diagonal and the diagonal screen size: PPI = d/di where di is the diagonal screen size in inches. Pixels per Inch Quality value 120 PPI - Low 120-160 PPI - Medium 160-213 PPI - Medium High 213-240 PPI - High 240-320 PPI - eXtra High 320-480 PPI - eXtra x2 High 480-640 PPI - eXtra x3 High What is pixel density: Pixels per inch (PPI) are a measurement of the pixel density (resolution) of devices in various contexts: typically computer LCD or OLED displays, image scanners, and digital camera image sensors. The PPI of a computer display is related to the size of the display in inches and the total number of pixels in the horizontal and vertical directions. The PPI and DPI definitions are essentially equivalent. Dots per inch, or DPI, is comparable to pixels per inch. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
BAP String Building Guide
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BAP String building app. The #1 app for all your string building needs. This app helps to determine the correct layout measurements needed for any string being made. Built in conjunction with Baker Archery Products. The app also includes a customizable database of Bow manufacture string measurements that you can build out and search.
Screenshots
Verdict
The clearest difference is price: BAP String Building Guide at Free against Pixel Density Calculator's $2.99. BAP String Building Guide also leads on update cadence (every 2 months vs every 38 months). Pixel Density Calculator's advantage is iOS requirement (13 vs 18.5). On 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
BAP String Building Guide is free to download; Pixel Density Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Pixel Density Calculator ships an update every 38 months, BAP String Building Guide every 2 months. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.
| Parameter | Pixel Density Calculator | BAP String Building Guide |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 38 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13 — better | 18.5 |
| Further details — not scored | ||
| Size | 3 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Heng Jia Liang | Lucas Palmer |
In-app purchases
Pixel Density Calculator
No in-app purchases
BAP String Building Guide
No in-app purchases
Questions
Is Pixel Density Calculator free?
Is BAP String Building Guide free?
Do Pixel Density Calculator or BAP String Building Guide have ads?
Which is updated more often, Pixel Density Calculator or BAP String Building Guide?
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