# Go Calc vs Max Drilling

The clearest difference is price: Max Drilling at Free against Go Calc's $9.99. Go Calc's advantage is rating (4.4 vs 3.2) and review sentiment (92% vs 63%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Max Drilling is free to download; Go Calc costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Go Calc holds the better App Store score, 4.4 against 3.2. Both are backed by a comparable volume of ratings — 19 and 22 respectively. Written reviews point the same way: 92% of Go Calc's written reviews are positive against 63% of Max Drilling's.

Go Calc ships an update every 3 months, Max Drilling every 4 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Go Calc | Max Drilling |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.4 (19 ratings)](https://appshunter.io/ios/app/go-calc/id286287080/reviews)** | [3.2 (22 ratings)](https://appshunter.io/ios/app/max-drilling/id1184959427/reviews) |
| Number of ratings | 19 | **22** |
| Positive reviews | **92.0% of reviews** | 62.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#192** | — |
| Size | 2 MB | 208 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Apps On The Move Limited](https://appshunter.io/developer/284968385) | [NOV Inc.](https://appshunter.io/developer/578550101) |

## What reviewers say

### Go Calc

[App page](https://appshunter.io/ios/app/go-calc/id286287080)

**Currently charting:** #192 Top Paid · Business (US App Store)

Build custom calculator apps for your business directly on your iPhone or iPad. Easily create calculators for specific business needs using spreadsheet-like formulas. Save time and get accurate answers for estimating, pricing, and more.

**Highlights:** Create custom calculator apps, Use spreadsheet-like formulas, Define variables and formulas, Over 50 built-in functions, Import and export calculations, Share calculators with others

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

**In-app purchases:** none


### Max Drilling

[App page](https://appshunter.io/ios/app/max-drilling/id1184959427)

Monitor drilling operations in real-time with instant access to active and historical well data. Visualize drilling parameters, view rig reports, and communicate securely with your team from anywhere.

**Highlights:** 1-second data streaming, Customizable data visualization, Time and depth views, Lagged channel tracing, Rig and well reports, Integrated chat, Collaborative notes

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

**In-app purchases:** none


## Frequently asked questions

### Is Go Calc free?

Go Calc costs $9.99, with no in-app purchases.

### Is Max Drilling free?

Max Drilling is free to download, with no in-app purchases.

### Which has better reviews, Go Calc or Max Drilling?

Go Calc is rated higher. Go Calc averages 4.4 out of 5 from 19 ratings, while Max Drilling averages 3.2 from 22 ratings.

### Do Go Calc or Max Drilling have ads?

Neither Go Calc nor Max Drilling shows ads.

### Which is updated more often, Go Calc or Max Drilling?

Go Calc ships an update every 3 months, and Max Drilling every 4 months. Most recently, Go Calc was updated on October 15, 2026 and Max Drilling on October 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.*