Comparison

Go Calc vs PowerDrive RSS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read 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.

About

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.

Highlights
  • Automated drilling event interpretation
  • Real-time alerts
  • Pocket-sized insights
  • Robust interpretation
Features
Read full description

smart automated interpretation of drilling events provides robust real-time alerts straight to your pocket.

Screenshots

Go Calc4 screens
PowerDrive RSS4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Go Calc versus PowerDrive RSS: the parameters behind the verdict, then further details
ParameterGo CalcPowerDrive RSS
Price$9.99Free — better
Rating4.4 (19 ratings)4.4 (9 ratings) — better
Positive reviews92.0% of reviews — better75.0% of reviews
Number of ratings19 — better9
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size2 MB65 MB
Age rating4+4+
DeveloperApps On The Move LimitedSchlumberger Technology Corporation

Customer experience

Go Calc

All ratings19 ratings
Positive84.2%
Neutral5.3%
Negative10.5%
Written reviews88 reviews
Positive92.0%
Neutral2.3%
Negative5.7%

PowerDrive RSS

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Go Calc

No in-app purchases

None

PowerDrive RSS

No in-app purchases

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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