Go Calc vs PowerDrive RSS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Go Calc
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.
- 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
Read full descriptionHide full description
EMPOWER YOUR BUSINESS - Throw away your old calculators. Transform everyday calculations. Create calculators for your business right on your iPhone or iPad. Create your own calculator apps right on your iPhone or iPad. In minutes your business specific calculations become a breeze. Create a calculator for each type of problem you need to solve using formula similar to those found in spreadsheets. Go Calc has been helping businesses like yours get the right answers since 2008: "It turned into a mission-critical app when I created a set of formulas for all my estimating and billing." "I own a Retail store and have to work out margins every day." "I use this app nearly every day for scuba gas blending. It saves a huge amount of time." "I have several elaborate pricing formulas that I use at work. ... I can quickly adjust two simple numbers, my price and my markup ... and give me a suggested price." "I created several functions that make it easier to interpret logistic regression results, and it works like a charm!" "I work in the Road Construction industry and have not found anything close to this app." "This app has made my job so much easier and almost fun." Examples of calculators you could create: * Quickly work out potential profit when negotiating with a customer * Estimate costs using a set of business specific variables * Determine how much of a consumable you need Go Calc allows you to quickly create new calculations by setting up variables and formulas on your iPhone or iPad. Creating a new calculator is easy: 1. Tap to add a new calculator 2. Give it a name 3. Add some variables (the inputs to the calculations) 4. Create one or more formulas to get your results 5. Go Calc! Each calculator you create can be reused again and again. Calculators can be easily found by filing them into categories. Formulas in Go Calc share much with the formulas you write in your favorite spreadsheet. Over 50 functions can be used including IF, MAX, SIN, LOG, IPMT, RANDBETWEEN. Import and export your calculations. Backup all your calculations easily and without the need to install any software on your PC or Mac. Create calculators and then share them with other Go Calc users in your business.
PowerDrive RSS
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.
- Automated drilling event interpretation
- Real-time alerts
- Pocket-sized insights
- Robust interpretation
Read full descriptionHide full description
smart automated interpretation of drilling events provides robust real-time alerts straight to your pocket.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Go Calc | PowerDrive RSS |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.4 (19 ratings) | 4.4 (9 ratings) — better |
| Positive reviews | 92.0% of reviews — better | 75.0% of reviews |
| Number of ratings | 19 — better | 9 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 2 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Apps On The Move Limited | Schlumberger Technology Corporation |
Customer experience
Go Calc
PowerDrive RSS
In-app purchases
Go Calc
No in-app purchases
PowerDrive RSS
No in-app purchases







