Tabi Calc vs ++Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tabi Calc
This app is a travel-focused calculator that simplifies date, time, and currency calculations. It helps users plan trips, manage itineraries, and convert currencies with live or offline rates. Designed for travelers, it offers an intuitive interface and accurate results.
- Date and time difference calculations
- Add/subtract days, months, years from dates
- Multi-currency converter with live/offline rates
- Supports over 160 currencies
- Location-based currency suggestions
- Offline currency rate support
- Saves recent calculations
Read full descriptionHide full description
Your essential calculator for travel – Tabi Calc handles time, date, and currency effortlessly. Tabi Calc is a smart, travel-focused calculator designed to make your journey planning and on-the-go calculations faster, simpler, and more accurate. Whether you're figuring out time zones, calculating the duration of a trip, or converting foreign currency, Tabi Calc does it all in one intuitive interface. Date & Time Calculator Easily calculate time differences and durations: Find out how many days, weeks, or hours between two dates. Add or subtract days, months, or years from any date. Perfect for planning itineraries, visa durations, or work schedules across time zones. Currency Converter Convert currencies with live or offline rates: Automatically detects your location to suggest local currency. Supports over 160 currencies with frequently updated exchange rates. Works offline with previously fetched rates—ideal for travel without data. Made for Travelers Tabi Calc was designed with travelers in mind: One tool for all your date, time, and currency needs. Compact, fast, and easy to use—even on the go. Saves recent calculations for quick reference. International Support Handles regional date formats and localization. Accurate with leap years, daylight saving time, and calendar math. Designed to support users worldwide. More Than Just a Calculator Tabi Calc is built to be both powerful and simple: Clean, distraction-free interface. No ads, no clutter—just focused tools to get the job done. Precise results powered by a calculation engine built for accuracy. Whether you're a frequent flyer, digital nomad, travel planner, or just someone who needs a smarter calculator, Tabi Calc is the perfect companion for navigating dates, times, and currencies with confidence. Download Tabi Calc now and travel smarter. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
++Calc
This app offers a versatile calculator for everyday tasks, supporting calculations in binary, octal, decimal, and hexadecimal. It allows for complex expressions with parentheses, editing of inputs, and displays both the expression and answer on separate lines. It also handles time calculations and large numbers up to 16 significant digits.
- Radix calculations (binary, octal, decimal, hexadecimal)
- Expression input with parentheses
- Editable input history
- Two-line display for expression and result
- Time calculation with unit conversion
- Large number support (up to 16 significant digits)
Read full descriptionHide full description
"++Calc" is a multifunctional calculator app suitable for everyday use. [Main Features & Functions] - Calculations in Various Radix Supports input in binary, octal, decimal, and hexadecimal. Calculation results can be converted between these radixes. - Input of Expressions Using Parentheses Allows for the calculation of expressions using parentheses. - Edit Function Expressions can be deleted and corrected using the delete key. - Two-Line Display Expressions and their answers are displayed on separate lines. - Time Calculation Function Capable of performing time calculations. Units are mutually convertible. - Support for Large Numbers Can calculate large numbers up to a maximum of 16 significant digits. [Disclaimer] Thank you for using the "++Calc" app (hereinafter referred to as "this app"). We have made every effort to meet the calculation needs of our users; however, please note the following: - Accuracy of Calculation Results Although this app is designed to meet general calculation needs, due to the nature of software, bugs and system limitations might lead to errors in calculation results. Therefore, the results obtained from this app should be used for reference only, and verification by other means is strongly recommended for applications where accuracy is critical (such as financial transactions, scientific research, safety-related calculations, etc.). - Limitation of Liability The developers and the developing company shall not be liable for any direct, indirect, incidental, special, or consequential damages arising from the use of this app. The user assumes all responsibility for the results obtained through the use of this app.
Screenshots
Verdict
The clearest difference is review sentiment: ++Calc at 100% against Tabi Calc's 44%. ++Calc also leads on in-app purchases (none vs 3) and iOS requirement (14.0 vs 17.0). Tabi Calc's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads 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. Tabi Calc sells 3 in-app purchases, starting at $0.99 per month. ++Calc asks for nothing beyond the download.
Tabi Calc ships an update every 3 weeks, ++Calc every 3 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.
| Parameter | Tabi Calc | ++Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (40 ratings) — better | — |
| Positive reviews | 43.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 40 — better | — |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Tsuyoshi Niwa | Legal Prompt Inc. |
Customer experience
Tabi Calc
++Calc
In-app purchases
Tabi Calc
- Monthly Subscription1 Month trial$0.991 Month
- 6 month subscription$4.496 Months
- Yearly Subscription$7.991 Year
++Calc
No in-app purchases









