Drill Calc vs CatchCam
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.
CatchCam
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1. Real-time preview of the video screen of the hunting camera 2. View, download, delete the files in the sd card of the hunting camera 3. Set parameters of the hunting camera
Screenshots
Verdict
The clearest difference is price: CatchCam at Free against Drill Calc's $2.99. CatchCam also leads on update cadence (every 2 months vs every 18 months) and iOS requirement (10.0 vs 12.0). 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
CatchCam is free to download; Drill Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Drill Calc ships an update every 18 months, CatchCam every 2 months. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.
| Parameter | Drill Calc | CatchCam |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.1 (19 ratings) — better | — |
| Positive reviews | 91.7% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 18 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 88 MB |
| Age rating | 4+ | 4+ |
| Developer | Black Cat Systems | Shenzhen Zhencheng Technology Co., Ltd. |
In-app purchases
Drill Calc
No in-app purchases
CatchCam
No in-app purchases
Questions
Is Drill Calc free?
Is CatchCam free?
Do Drill Calc or CatchCam have ads?
Which is updated more often, Drill Calc or CatchCam?
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