Drill Calc vs HTML WYSIWYG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Drill Calc
This utility app helps you determine the correct drill bit size for threaded holes. It supports both inch and metric threads, calculates close and tight fit hole sizes, and provides tables for standard drill bit sizes and pipe information.
- Calculates drill bit size for threaded holes
- Supports inch and metric threads
- Displays close and tight fit hole sizes
- Includes standard inch fractional and numeric drill bit tables
- Provides pipe size information
- Offers data on common wood screw sizes
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Need to find the right drill bit size for a hole? Drill Calc calculates the correct drill bit size to use for threaded holes, based on the bolt (tap) diameter and thread pitch and percentage, for both inch and metric threads. Close and tight fit hole sizes for many popular drill sizes are also displayed. It also has tables of standard inch fractional and numeric drill bit sizes, as well as complete information for various pipe sizes. There is also detailed information about the commonly used sizes of wood screws. Buy your copy of Drill Calc today, and put away your drill chart.
HTML WYSIWYG
Visually edit HTML documents with an intuitive interface similar to word processors. Seamlessly integrate Markdown and easily add tables and images with customizable options.
- Visual WYSIWYG HTML editing
- Intuitive interface
- Seamless Markdown integration
- Insert tables and images
- Customizable options
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- Edit HTML documents in a visual, WYSIWYG interface – Work as intuitively as editing an Office Word document, instead of manipulating raw HTML source code. - Seamless Markdown integration: Copy content as Markdown, paste from Markdown, and convert Markdown input directly. - Insert tables and images into documents with customizable options like captions, alignment, and more.
Screenshots
Verdict
The clearest difference is review sentiment: Drill Calc at 92% against HTML WYSIWYG's 0%. Drill Calc also leads on rating (4.1 vs 2.0) and ratings volume (19 vs 1). HTML WYSIWYG's advantage is update cadence (every 7 months vs every 18 months). On ads, in-app purchases, monetization model 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
Drill Calc costs $2.99 and HTML WYSIWYG $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Drill Calc holds the better App Store score, 4.1 against 2.0. That said, the two scores are not equally well evidenced: Drill Calc has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 92% of Drill Calc's written reviews are positive against 0% of HTML WYSIWYG's.
Drill Calc ships an update every 18 months, HTML WYSIWYG every 7 months. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.
| Parameter | Drill Calc | HTML WYSIWYG |
|---|---|---|
| Price | $2.99 — better | $4.99 |
| Rating | 4.1 (19 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 91.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 19 — better | 1 |
| Update frequency | Every 18 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Black Cat Systems | 星翰 朱 |
Customer experience
Drill Calc
HTML WYSIWYG
In-app purchases
Drill Calc
No in-app purchases
HTML WYSIWYG
No in-app purchases
Questions
Is Drill Calc free?
Is HTML WYSIWYG free?
Which has better reviews, Drill Calc or HTML WYSIWYG?
Do Drill Calc or HTML WYSIWYG have ads?
Which is updated more often, Drill Calc or HTML WYSIWYG?
Other comparisons
