Voice Note vs HiPER Scientific Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Voice Note
Easily design and create custom stickers, labels, and planner sheets with professional results. Choose from templates, customize elements like colors and text, and export high-quality, print-ready PDF files directly from your iPhone.
- Design custom stickers
- Use ready-made templates
- Customize colors and text
- Export print-ready PDFs
- Create planner stickers and labels
- Design sticker sheets in any size
Read full descriptionHide full description
Sticky notes that live on your Home Screen. Jot down a thought, build a to do list, set a reminder, and pin it as a widget so it stays in sight without opening the app. WHAT YOU CAN DO • Sticky note widgets – keep notes and checklists on your Home Screen • To do lists – tick off tasks and feel the progress of your day • Reminders – jot it down, set a reminder, never forget it • Voice notes – dictate into any note. Your words are transcribed privately on your iPhone • Timers – notes, lists and timers, all one tap away • Photos – add a photo to any note to remember the moment • Write, draw, decorate – colors and styles to make every note yours • Desks – a separate board for every part of life: work, home, shopping, ideas. Swipe between them • No login required – open the app and start writing PERFECT FOR Grocery and shopping lists, daily plans, quick memos, study notes, chores, ideas you don't want to lose, and little reminders for yourself. Simple like a paper sticky note, always visible like a note on your fridge. Create your first note today! LEGAL Privacy Policy: https://elwind.space/pdfmaker/privacy Terms of Use: https://elwind.space/terms/
HiPER Scientific Calculator
This app offers advanced scientific calculation capabilities, including symbolic algebra, equation solving, and calculus functions. It supports high precision, natural expression input, and various display formats. Users can also visualize functions and equations with 2D and 3D graphing.
- Symbolic algebra
- Integrals and derivatives
- High precision calculations
- Natural expression input
- 2D and 3D graphing
- Matrices and vectors
- Unit conversions
Read full descriptionHide full description
Excellent scientific calculator with step-by-step solutions, symbolic algebra, graphing, equations, integrals and derivatives. The calculator has globally more than 50 million downloads and 250 000 five-star ratings. You can write expressions in a natural way and watch your calculations. The result is displayed as a number, simplified expression etc. An expression can also be entered from a photo. Take a picture of a handwritten or printed expression, and the calculator recognizes it and inserts it into the display, ready to be edited or evaluated. (premium) A step-by-step solution shows how an expression is solved, one step at a time, from the entered expression to the final result. Every step is explained, so you can see not only the result, but also the way to it. (more detailed steps are premium) Calculation details give you extended information about the result - alternative forms of the result, all complex roots, the unit circle, properties of a function and more. The calculator has several layouts suitable for various screen sizes: - "pocket" for small devices - "compact" for smartphones (in portrait and landscape orientation) - "expanded" for tablets Users can choose from several high-quality themes. The calculator has many functions, such as: - up to 100 digits of significand and 9 digits of exponent - basic arithmetic operations including percentage, modulo and negation - fractions and mixed numbers - periodic numbers and their conversion to fractions - unlimited number of braces - operator priority - repeated operations - selecting a part of an expression and applying context operations to the selection - equations (with one or more variables, systems of equations) - variables and symbolic computation - derivatives and integrals - graphs of functions, equations, integral area and limits; 3D graphs - matrices and vectors - statistics - regression analysis - complex numbers - conversion between rectangular and polar coordinates - sums and products of series - limits - advanced number operations such as random numbers, combinations, permutations, common greatest divisor, etc. - trigonometric and hyperbolic functions - powers, roots, logarithms, etc. - degrees, minutes and seconds conversion - fixed point, scientific and engineering display format - display exponent as SI units prefix - memory operations with unlimited extended memories - clipboard operations with various clipboard formats - result history - multiline display on tablets showing the complete history of calculations and access to the previous results - binary, octal and hexadecimal numeral systems - logical operations - bitwise shifts and rotations - more than 120 physical and mathematical constants - conversion among 250 units - Reverse Polish notation. The calculator has many settings to manage the calculation precision, decimal and thousand separators, etc. All features are described with a built-in help. Privacy Policy: https://hiperlabs.eu/privacy-policy/iOS.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: HiPER Scientific Calculator at Free against Voice Note's $2.99. HiPER Scientific Calculator also leads on iOS requirement (15.0 vs 17.0). Voice Note's advantage is ads (none vs shown) and review sentiment (100% vs 83%). On update cadence, in-app purchases and device support 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
HiPER Scientific Calculator is free to download; Voice Note costs $2.99 up front. Voice Note sells 3 in-app purchases, starting at $1.99 per month and HiPER Scientific Calculator sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Voice Note ships an update every 2 weeks, HiPER Scientific Calculator every 3 weeks. Both last shipped on November 7, 2026.
| Parameter | Voice Note | HiPER Scientific Calculator |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 4.7 (279 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 82.8% of reviews |
| Number of ratings | — | 279 — better |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Harun Karahan | Jindrich Houska |
Customer experience
Voice Note
HiPER Scientific Calculator
Bugs and requests
Voice Note
Not enough reviews yet to summarise bugs or requests.
HiPER Scientific Calculator
Reported bugs
5 issues- Keyboard unresponsive in multiple occasions
- App freezes when entering numbers
- Failed upgrade workflow message
- App offers paid upgrade after purchase
- White text unreadable on dark background in iOS settings
Requested features
15 requests- Allow custom infix operations
- Add widget support
- Add RPN mode to iOS version
- Add themes to iOS version
- Add custom functions to iOS version
Show 10 moreShow fewer
- Add more variables to iOS version
- Support vertical view on iPad
- Add custom fonts and skins
- Add portrait layout for iPad
- Add dedicated ENG mode button
- Add dark mode and themes to iOS
- Add button feedback on iOS
- Add unit conversion feature to iOS
- Improve statistical calculation interface
- Allow subscription transfer between platforms
In-app purchases
Voice Note
- Sticky Notes Pro Monthly$1.991 Month
- Sticky Notes Pro Yearly7 Days trial$12.991 Year
- Lifetime Pro$17.99
HiPER Scientific Calculator
- Pro version$0.991 Month
- Pro Forever$7.99
Questions
Is Voice Note free?
Is HiPER Scientific Calculator free?
Do Voice Note or HiPER Scientific Calculator have ads?
Which is updated more often, Voice Note or HiPER Scientific Calculator?
Other comparisons















