# Email Wizard vs Drilling Calculator for Rigs

The clearest difference is price: Email Wizard at Free against Drilling Calculator for Rigs's $1.99. Email Wizard also leads on update cadence (daily vs every 6 weeks) and iOS requirement (14.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

Email Wizard is free to download; Drilling Calculator for Rigs costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Email Wizard ships an update daily, Drilling Calculator for Rigs every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Email Wizard | Drilling Calculator for Rigs |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 weeks |
| Size | 10 MB | 7 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nic Kolbe](https://appshunter.io/developer/512550641) | [Aneesh Pradeep](https://appshunter.io/developer/1836157821) |

## What reviewers say

### Email Wizard

[App page](https://appshunter.io/ios/app/email-wizard/id6755389860)

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

**In-app purchases:** none


### Drilling Calculator for Rigs

[App page](https://appshunter.io/ios/app/drilling-calculator-for-rigs/id6785307917)

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

**In-app purchases:** none


## Frequently asked questions

### Is Email Wizard free?

Email Wizard is free to download, with no in-app purchases.

### Is Drilling Calculator for Rigs free?

Drilling Calculator for Rigs costs $1.99, with no in-app purchases.

### Do Email Wizard or Drilling Calculator for Rigs have ads?

Neither Email Wizard nor Drilling Calculator for Rigs shows ads.

### Which is updated more often, Email Wizard or Drilling Calculator for Rigs?

Email Wizard ships an update daily, and Drilling Calculator for Rigs every 6 weeks. Most recently, Email Wizard was updated on October 30, 2026 and Drilling Calculator for Rigs on October 31, 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.*