Calculator Plus vs guidosimplex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator Plus
This app simplifies everyday math with a clean interface and a history of all your calculations. Easily handle basic operations, percentages, and more, with the ability to review past entries for quick reference. It's designed for efficient problem-solving on the go.
- Clear, readable calculation display
- Basic arithmetic and percentages
- Backspace for error correction
- Memory buttons and calculation history
- Light and dark themes
- Advanced functions (squaring, square root, pi)
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The world’s favorite calculator app, with more than 40 million downloads worldwide. The perfect day-to-day calculator for both iPhone and iPad, Calculator Plus is easy to use and beautifully designed to be your daily calculator. Calculator Plus makes math simple and fun with crisp HD and a layout for fast and easy calculations. Solve all of your everyday calculations, from simple addition to fractions and multiplication. Calculator Plus remembers everything you calculate, and lets you review your history and past calculations anytime, making it perfect for shopping, doing homework and schoolwork, balancing checkbooks, making tips, taking notes, calculating taxes, and everyday math problems you’re sure to encounter. Calculator Plus is also an exceptional school calculator. Calculator Plus is the perfect calculator for teachers, students, and working professionals. If you quit the calculator and go do something else, it's all still there whenever you come back. You'll never need to type the same calculation twice again making it the perfect math calculator to take the best notes and solve any problem. FEATURES: - Calculations in clear, elegant type that's easy to read - Perform all the basic calculations you could ever need including addition, subtraction, division, multiplication, and percentages - Use backspace anytime to correct a simple mistake, instead of starting over - Keep track of your results using the memory buttons and history screen - Express yourself with light and dark themes - For more complicated and advanced problems, use options like squaring, square root, percent and the pi button Try out Calculator Plus – the simplest, strongest equation solver around! From everyday addition and subtraction to complex percent and fraction problems, you can solve and track it all for free. Download Calculator Plus for your iPhone or iPad and finally put that handheld calculator to rest. This version of Calculator Plus is ad-supported. An ad-free version is also available. Calculator Plus © 2022 Digitalchemy, LLC
guidosimplex
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This APP is used to control the device which is produced by guidosimplex，and it can also be used to update the firmware of the device
Screenshots
Verdict
The clearest difference is price: guidosimplex at Free against Calculator Plus's $3.99. guidosimplex also leads on update cadence (every 4 days vs every 5 weeks) and iOS requirement (13.0 vs 15). On ads, 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
guidosimplex is free to download; Calculator Plus costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calculator Plus ships an update every 5 weeks, guidosimplex every 4 days. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.
| Parameter | Calculator Plus | guidosimplex |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.9 (695 ratings) — better | — |
| Positive reviews | 93.8% of reviews | — |
| Number of ratings | 695 — better | — |
| Update frequency | Every 5 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15 | 13.0 — better |
| Further details — not scored | ||
| Size | 67 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | DigitAlchemy LLC | Changzhou Xinder-Tech Electronics Co., Ltd |
Bugs and requests
Calculator Plus
Reported bugs
2 issues- Clicking sound not removable
- Compatibility issues on older devices
Requested features
3 requests- Dark mode option
- Algebraic order of operations
- Customizable color schemes
guidosimplex
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator Plus
No in-app purchases
guidosimplex
No in-app purchases
Questions
Is Calculator Plus free?
Is guidosimplex free?
Do Calculator Plus or guidosimplex have ads?
Which is updated more often, Calculator Plus or guidosimplex?
Other comparisons
