# AWS D1.1 Practices vs WS Drill Bits

The clearest difference is update cadence: AWS D1.1 Practices at every 2 months against WS Drill Bits's every 16 months. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for AWS D1.1 Practices against 5.0 for WS Drill Bits. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

AWS D1.1 Practices ships an update every 2 months, WS Drill Bits every 16 months. The most recent releases landed on September 7, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | AWS D1.1 Practices | WS Drill Bits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/aws-d11-practices/id1391455659/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ws-drill-bits/id1453137463/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | Free | Free |
| Size | 16 MB | 57 MB |
| Requires iOS | **8.0** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Hieu](https://appshunter.io/developer/1323491316) | [Rein Rapp](https://appshunter.io/developer/1031133571) |

## What reviewers say

### AWS D1.1 Practices

[App page](https://appshunter.io/ios/app/aws-d11-practices/id1391455659)

Practice for the AWS D1.1 CWI examination with this mobile app. The free version offers a glimpse into the app's functionality with practice questions and exams. Study anytime, anywhere to prepare for your certification.

**Highlights:** AWS D1.1 exam practice, CWI certification preparation, Mobile study tool, Practice questions, Exam simulations

**Features:** macOS Compatibility

**In-app purchases:** none


### WS Drill Bits

[App page](https://appshunter.io/ios/app/ws-drill-bits/id1453137463)

This application serves machinists, designers, and manufacturing personnel with essential drill bit calculations. It features a comprehensive drill size chart with decimal equivalents, a calculator for optimal speeds and feeds across various materials, and a tool for determining drill point depth based on angle.

**Highlights:** Drill size and decimal equivalent chart, Fast vertical scrolling with color-coded values, Sliding scale for quick list navigation, Speeds and feeds calculator for various materials, Drill point depth calculator, Supports metric and inch measurements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AWS D1.1 Practices free?

AWS D1.1 Practices is free to download, with no in-app purchases.

### Is WS Drill Bits free?

WS Drill Bits is free to download, with no in-app purchases.

### Which has better reviews, AWS D1.1 Practices or WS Drill Bits?

AWS D1.1 Practices and WS Drill Bits are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do AWS D1.1 Practices or WS Drill Bits have ads?

Neither AWS D1.1 Practices nor WS Drill Bits shows ads.

### Which is updated more often, AWS D1.1 Practices or WS Drill Bits?

AWS D1.1 Practices ships an update every 2 months, and WS Drill Bits every 16 months. Most recently, AWS D1.1 Practices was updated on September 7, 2026 and WS Drill Bits on June 10, 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.*