Natural Scientific Calculator vs TWC Performance Platform
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Natural Scientific Calculator
This app offers a natural way to input mathematical equations, similar to writing them on paper. It features intuitive editing with swipe gestures and pinch-to-zoom for complex expressions. Save frequently used equations for quick access.
- Natural input for equations
- Swipe to edit and pinch to zoom
- History and favorites for equations
- Fractions, roots, and exponents
- Radians and degrees support
- Decimal to fraction conversion
Read full descriptionHide full description
Loved by over 1 million users, Natural Scientific Calculator is the fastest way to do maths. NSC allows to you edit wherever you need to. Unlike other scientific calculators which make you mash buttons to move a cursor, our app allows you to simply swipe on the keyboard to get to where you need. You can also pinch to zoom and get an overview of complex equations. Write as you would on paper Other apps make you enter equations on a single line like something from the 1970s. Our Natural Input solves this problem by allowing you to enter equations as you'd write them on paper, using fractions, roots, exponents and more. It's called a "natural display" and is a common feature on scientific calculators like the Casio fx-82 or TI-30XB. History and Favourites Instead of having to type out long equations over and over, simply favourite them and retrieve them with a single tap. Guaranteed to speed up your workflow enormously. Fully featured scientific calculator functionality • Radians and Degrees support • Decimal to fraction conversion • Mixed and improper fractions • Permutations and combinations • Precision to 2,048 decimal places (non-trigonometric/roots) • Programmable roots, logarithms • Programmable constants • Trigonometric functions - sine, cosine, tangent Our Privacy Policy: http://www.stultusstudios.com/privacy-policy/ Our Terms of Use: http://www.stultusstudios.com/terms-and-conditions/
TWC Performance Platform
Read full descriptionHide full description
Still doing inspections with paper and pencil and relying on a call or email for updates on projects? Such makeshift processes should be a thing of the past, and the TWC Performance Platform is here to help. The TWC Performance Platform provides the flexibility to perform inspections from anywhere, even without an internet connection. Once the app is downloaded onto the device, inspections are performed with a few simple taps. The data is then uploaded and stored to an online database. Inspection scores are emailed immediately to any pre-selected individuals. You can also view reports from the device, or clients can login to the online database to run the same inspection reports. The TWC Performance Platform also allows managers to create and send work orders directly to the right people in a quick and efficient manner. It also automatically escalates work orders as needed, so every one involved is on the same page. Unleash the power of Quality and start using the TWC Performance Platform today.
Screenshots
Verdict
The clearest difference is in-app purchases: TWC Performance Platform at none against Natural Scientific Calculator's 3. Natural Scientific Calculator's advantage is update cadence (weekly vs every 9 months). On price, ads, device support and iOS requirement 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
Both are free to download. Natural Scientific Calculator sells 3 in-app purchases, starting at $0.49 per month. TWC Performance Platform asks for nothing beyond the download.
Natural Scientific Calculator ships an update weekly, TWC Performance Platform every 9 months. Both last shipped on November 2, 2026.
| Parameter | Natural Scientific Calculator | TWC Performance Platform |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (95 ratings) — better | — |
| Positive reviews | 66.2% of reviews | — |
| Number of ratings | 95 — better | — |
| Update frequency | Weekly — better | Every 9 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 83 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Stultus Studios Pty Ltd | Otuvy, Inc. |
Bugs and requests
Natural Scientific Calculator
Reported bugs
12 issues- Math error on all calculations (widespread issue from late 2022-2023)
- App freezes during startup or tutorial
- Crashes during complex calculations
- Incorrect inverse trigonometric function results
- Incorrect sine, cosine, tangent calculations
Show 7 moreShow fewer
- Scientific notation exponent calculation errors
- App crashes when switching between apps
- UI elements stretched or unreadable in split-screen mode
- Tutorial screen stuck with no way to progress
- Slow performance and battery drain
- Crashes on iOS 12 and newer versions
- Buttons unresponsive or non-functional
Requested features
15 requests- Dark mode or dark theme option
- Physical keyboard support
- Copy and paste functionality
- History or ticker of previous calculations
- Double and triple zero buttons (00, 000)
Show 10 moreShow fewer
- Thousand separator (comma) support
- Equation solver feature
- Memory function for reusing previous results
- Antilog function
- S→D (Sexagesimal to Decimal) button
- Scientific notation handling improvements
- iPad split-screen optimization
- Skip tutorial option
- Better cursor control for equation modification
- Conversions and constants library
TWC Performance Platform
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Natural Scientific Calculator
- NSC Plus Monthly Subscription$0.491 Month
- NSC Plus Annual Subscription$3.991 Year
- NSC Plus$7.99
TWC Performance Platform
No in-app purchases
Questions
Is Natural Scientific Calculator free?
Is TWC Performance Platform free?
Do Natural Scientific Calculator or TWC Performance Platform have ads?
Which is updated more often, Natural Scientific Calculator or TWC Performance Platform?
Other comparisons















