Calculator 3D vs T
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator 3D
This utility app offers a unique calculator experience with animated characters presenting results. Enjoy interactive features like swiping to change backgrounds and reset numbers, all enhanced by atmospheric sounds. It's a fun and colorful way to perform calculations.
- Animated character results
- Swipe gestures for background/reset
- Atmospheric sound effects
- Interactive animations based on result size
- Customizable background colors
Read full descriptionHide full description
A cool calculator with fun features. The results in the calculator are presented by an animated character. Various animations to specific results. By swiping left or right you reset the numbers. By swiping up or down you to change the background colors. The calculator has sounds that provide atmosphere and responds to your input. The sounds can be turned on/off on the information page. A fun and colorful calculator with surprising features. Animations: 0-4999 Walking animation - The character presents the result 5000-9999999 Jumping animation - The character presents the result jumping from above. >9999999 Sliding animation - The character acts angry because he can't handle the big number.
T
This app offers a dual calculator interface, allowing side-by-side or stacked calculations. Easily transfer results between calculators with a single touch for complex computations. It displays formulas for clarity and allows copying results to your device's memory.
- Two calculators in one
- Copy and paste results between calculators
- Input results from one calculator to another
- Formula display
- Copy results to device memory
- Supports basic arithmetic operations
Read full descriptionHide full description
A simple and easy-to-use calculator app that combines two calculators into one. Calculators are displayed side by side when the screen is horizontal, and vertically when the screen is vertical. In addition to being able to perform separate calculations with each calculator, calculation results can be also copy and paste with one touch, so you can perform other calculations during calculations, making it even more convenient to use than you might imagine. There is also a paid version without ads. Please try it first. https://apps.apple.com/jp/app/twin-calc/id1619292082 【feature】 1. Calculation results can be copy and paste between two calculators with one touch. 2. The result calculated can be input from one calculator to the other with one touch. ・When press the "→" key, the calculation result of the left calculator is entered at the end of the formula on the right calculator. ・When press the "←" key, the calculation result of the right calculator is entered at the end of the formula on the left calculator. 3. add, subtract, multiply and divide is performed. Do multiplication and division first, then add and subtract. 4. Display the formula The entered formula is displayed under the result, so you can easily check the operations. 5. Calculation results can be copied to iPhone’s memory Calculation results can be pasted into other apps as text , so transcription errors will not occur. Example of use When you find a product for 988 yen for 3 pieces and a product for 1245 yen for 4 pieces while shopping, you can easily calculate "Which is cheaper?" And “How cheaper?"with this calculator. 1) Use the left and right calculators to find the unit price of the product (unit price = product price/number). 2) Tap the "- key" and "arrow key" on either the left or right calculator to calculate the unit price difference. Limitations ・Answer can be calculated up to 9 digits, minimum 0.000000001.
Screenshots
Verdict
The clearest difference is rating: T at 5.0 against Calculator 3D's 4.0. T also leads on in-app purchases (none vs 1) and ads (none vs shown). Calculator 3D's advantage is review sentiment (75% vs 43%) and iOS requirement (11.0 vs 15.0). On price, ratings volume 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
Both are free to download. Calculator 3D sells 1 one-off in-app purchase. T asks for nothing beyond the download.
T holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 75% of Calculator 3D's written reviews are positive against 43% of T's, so the app with the better star average is not the one people write more warmly about.
Calculator 3D ships an update every 5 weeks, T weekly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | Calculator 3D | T |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 75.0% of reviews — better | 42.9% of reviews |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 181 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Bo Kalvslund | Hiroyuki Ueda |
Customer experience
Calculator 3D
T
In-app purchases
Calculator 3D
- Remove Ad$0.99
T
No in-app purchases









