# Drill Calc vs Brick Calculator Planner

The clearest difference is price: Brick Calculator Planner at Free against Drill Calc's $2.99. Brick Calculator Planner also leads on update cadence (every 10 days vs every 18 months). Drill Calc's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads there is nothing between them.

Brick Calculator Planner is free to download; Drill Calc costs $2.99 up front. Brick Calculator Planner sells 1 one-off in-app purchase. Drill Calc asks for nothing beyond the download.

Drill Calc ships an update every 18 months, Brick Calculator Planner every 10 days. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Drill Calc | Brick Calculator Planner |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.1 (19 ratings)](https://appshunter.io/ios/app/drill-calc/id304434324/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 91.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 5 MB | 2 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [Alona Nesterenko](https://appshunter.io/developer/1890650834) |

## What reviewers say

### Drill Calc

[App page](https://appshunter.io/ios/app/drill-calc/id304434324)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Brick Calculator Planner

[App page](https://appshunter.io/ios/app/brick-calculator-planner/id6763507801)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Drill Calc free?

Drill Calc costs $2.99, with no in-app purchases.

### Is Brick Calculator Planner free?

Brick Calculator Planner is free to download, with in-app purchases available.

### Do Drill Calc or Brick Calculator Planner have ads?

Neither Drill Calc nor Brick Calculator Planner shows ads.

### Which is updated more often, Drill Calc or Brick Calculator Planner?

Drill Calc ships an update every 18 months, and Brick Calculator Planner every 10 days. Most recently, Drill Calc was updated on October 21, 2026 and Brick Calculator Planner on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*