# Tabi Calc vs ++Calc

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.

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.

## The numbers

| Metric | Tabi Calc | ++Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (40 ratings)](https://appshunter.io/ios/app/tabi-calc/id1246912834/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 43.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 13 MB | 7 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Niwa](https://appshunter.io/developer/888556976) | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) |

## What reviewers say

### Tabi Calc

[App page](https://appshunter.io/ios/app/tabi-calc/id1246912834)

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.

**Highlights:** 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

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| 6 month subscription | $4.49 | per 6 months |
| Yearly Subscription | $7.99 | per year |


### ++Calc

[App page](https://appshunter.io/ios/app/plus-plus-calc-time-calculator/id6478706000)

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.

**Highlights:** 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)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tabi Calc free?

Tabi Calc is free to download, with in-app purchases available.

### Is ++Calc free?

++Calc is free to download, with no in-app purchases.

### Do Tabi Calc or ++Calc have ads?

Both Tabi Calc and ++Calc show ads.

### Which is updated more often, Tabi Calc or ++Calc?

Tabi Calc ships an update every 3 weeks, and ++Calc every 3 months. Most recently, Tabi Calc was updated on October 24, 2026 and ++Calc on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*