# Time Duration/Add Calculator vs 出品いくら

The clearest difference is update cadence: 出品いくら at every 2 weeks against Time Duration/Add Calculator's every 9 months. Time Duration/Add Calculator's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Time Duration/Add Calculator ships an update every 9 months, 出品いくら every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Time Duration/Add Calculator | 出品いくら |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 17 MB | 31 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) | [L AND R TRADE STAGE LIMITED LIABILITY CO.](https://appshunter.io/developer/6784258987) |

## What reviewers say

### Time Duration/Add Calculator

[App page](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824)

Easily calculate elapsed time between two points or determine an end time based on a start time and duration. It also converts time into various units like days, hours, minutes, and seconds.

**Highlights:** Calculate elapsed time from start and end times, Calculate end time from start time and elapsed duration, Display time between start and end dates/times, Convert time into days, hours, minutes, and seconds, Easily enter current time, Calculate time before a given duration

**Features:** macOS Compatibility

**In-app purchases:** none


### 出品いくら

[App page](https://appshunter.io/ios/app/id6807781291)

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

**In-app purchases:** none


## Frequently asked questions

### Is Time Duration/Add Calculator free?

Time Duration/Add Calculator is free to download, with no in-app purchases.

### Is 出品いくら free?

出品いくら is free to download, with no in-app purchases.

### Do Time Duration/Add Calculator or 出品いくら have ads?

Both Time Duration/Add Calculator and 出品いくら show ads.

### Which is updated more often, Time Duration/Add Calculator or 出品いくら?

Time Duration/Add Calculator ships an update every 9 months, and 出品いくら every 2 weeks. Most recently, Time Duration/Add Calculator was updated on November 3, 2026 and 出品いくら on October 31, 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.*