# Go Calc vs PowerDrive RSS

The clearest difference is price: PowerDrive RSS at Free against Go Calc's $9.99. Go Calc's advantage is review sentiment (92% vs 75%). On rating, ratings volume, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.4 for Go Calc against 4.4 for PowerDrive RSS. Both are backed by a comparable volume of ratings — 19 and 9 respectively. Written reviews are what separate them: 92% of Go Calc's written reviews are positive against 75% of PowerDrive RSS's.

Go Calc ships an update every 3 months, PowerDrive RSS every 2 months. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Go Calc | PowerDrive RSS |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.4 (19 ratings)](https://appshunter.io/ios/app/go-calc/id286287080/reviews) | **[4.4 (9 ratings)](https://appshunter.io/ios/app/powerdrive-rss/id1408840963/reviews)** |
| Number of ratings | **19** | 9 |
| Positive reviews | **92.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 65 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Apps On The Move Limited](https://appshunter.io/developer/284968385) | [Schlumberger Technology Corporation](https://appshunter.io/developer/380098290) |

## What reviewers say

### Go Calc

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

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


### PowerDrive RSS

[App page](https://appshunter.io/ios/app/powerdrive-rss/id1408840963)

This application provides smart, automated interpretation of drilling events, delivering real-time alerts directly to your mobile device. It offers robust insights for professionals in the field.

**Highlights:** Automated drilling event interpretation, Real-time alerts, Pocket-sized insights, Robust interpretation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Go Calc free?

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

### Is PowerDrive RSS free?

PowerDrive RSS is free to download, with no in-app purchases.

### Which has better reviews, Go Calc or PowerDrive RSS?

PowerDrive RSS is rated higher. Go Calc averages 4.4 out of 5 from 19 ratings, while PowerDrive RSS averages 4.4 from 9 ratings.

### Do Go Calc or PowerDrive RSS have ads?

Neither Go Calc nor PowerDrive RSS shows ads.

### Which is updated more often, Go Calc or PowerDrive RSS?

Go Calc ships an update every 3 months, and PowerDrive RSS every 2 months. Most recently, Go Calc was updated on October 23, 2026 and PowerDrive RSS on October 6, 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.*