# 簡易計算機 vs Tabi Calc

The clearest difference is in-app purchases: 簡易計算機 at none against Tabi Calc's 3. 簡易計算機 also leads on ads (none vs shown) and iOS requirement (8.0 vs 17.0). Tabi Calc's advantage is update cadence (every 3 weeks vs every 45 months). On price 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. 簡易計算機 asks for nothing beyond the download.

簡易計算機 ships an update every 45 months, Tabi Calc every 3 weeks. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 簡易計算機 | Tabi 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 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 45 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 13 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [振伟 张](https://appshunter.io/developer/369084217) | [Tsuyoshi Niwa](https://appshunter.io/developer/888556976) |

## What reviewers say

### 簡易計算機

[App page](https://appshunter.io/ios/app/id498928808)

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

**In-app purchases:** none


### 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 |
| Yearly Subscription | $9.99 | per year |
| Lifetime Pro | $39.99 | one-time |


## Frequently asked questions

### Is 簡易計算機 free?

簡易計算機 is free to download, with no in-app purchases.

### Is Tabi Calc free?

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

### Do 簡易計算機 or Tabi Calc have ads?

Tabi Calc shows ads; 簡易計算機 does not.

### Which is updated more often, 簡易計算機 or Tabi Calc?

簡易計算機 ships an update every 45 months, and Tabi Calc every 3 weeks. Most recently, 簡易計算機 was updated on October 30, 2026 and Tabi Calc on November 6, 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.*