Calculator!! vs iBoto Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator!!
This advanced calculator offers a comprehensive history of your calculations and supports complex functions like fraction manipulation, angle conversions, and equation solving. It also includes specialized tools for engineers and a dice roller.
- Calculation history
- Fraction manipulation
- Angle conversions (degrees, minutes, seconds)
- Permutation, combination, LCM, GCD
- Quadratic and linear equation solver
- Coordinate conversion
- Dice roller
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Calculator!! has the following additional functionality compared with most available calculators: - Shows the expression as you enter and keeps a history of your calculations (Swipe up on the screen to access the history.) - Capability of performing fraction manipulations and converting between different formats (proper, improper, and mixed fractions) and seamless integration of fraction, integer, and decimal manipulations. - Capability of inputting degrees, minutes, and seconds for angles and converting between degrees-minutes-seconds format and decimal format. - Capability of calculating permutation, combination, Least Common Multiple (LCM), and Greatest Common Divisor (GCD). - Quadratic and system of two linear equations solver - Rectangular to polar and polar to rectangular coordinate conversion (extremely useful for phasor calculations for electrical engineers) - Throws a set of dice (choice of 1 die to 4 dice) - Backspace to delete last digit entered. - Tip Calculator - Geometry Calculator - The left pane scrolls to reveal more functionality without a need to switch modes. The digits and most common operations are always visible and the less common operations can be revealed by scrolling the left half of the screen. - Sinusoidal functions can be calculated for angles in units of degrees, radians, or gradians. - Showing the content of memory on MR button, as long as it fits. Calculator!! is an ongoing project and we are working on more features and functions to be added to every update of the app. You are going to love the simplicity of the user interface and you will get used to the extra functionality added to this product. Please do not hesitate to contact us for any questions, comments, to report any bugs, or to suggest additional functions you would like to see in the upcoming updates.
iBoto Smart
Control and automate your iBoto robot vacuum cleaners for effortless home cleaning. Free up your time for more important activities while smart robotics handle the chores.
- Robot vacuum cleaner automation
- Schedule cleaning tasks
- Remote control of cleaning
- Time-saving household chore management
- Smart robotics integration
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Automation of cleaning with iBoto robot vacuum cleaners is not only a way to maintain perfect cleanliness, but also an opportunity to free up time for creation, communication, love, self-development, and recreation. Be free from household chores — and the rest will be taken care of by smart iBoto robotics!
Screenshots
Verdict
The clearest difference is price: iBoto Smart at Free against Calculator!!'s $0.99. Calculator!!'s advantage is rating (4.5 vs 3.4) and review sentiment (75% vs 33%). On update cadence, 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
iBoto Smart is free to download; Calculator!! costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calculator!! holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Calculator!! has 56 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 75% of Calculator!!'s written reviews are positive against 33% of iBoto Smart's.
Calculator!! ships an update every 10 months, iBoto Smart every 16 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Calculator!! | iBoto Smart |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (56 ratings) — better | 3.4 (5 ratings) |
| Positive reviews | 75.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 56 — better | 5 |
| Update frequency | Every 10 months — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 12 MB | 196 MB |
| Age rating | 4+ | 4+ |
| Developer | Dogahe | iboto |
Customer experience
Calculator!!
iBoto Smart
In-app purchases
Calculator!!
No in-app purchases
iBoto Smart
No in-app purchases
Questions
Is Calculator!! free?
Is iBoto Smart free?
Which has better reviews, Calculator!! or iBoto Smart?
Do Calculator!! or iBoto Smart have ads?
Which is updated more often, Calculator!! or iBoto Smart?
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