# 計算アプリ!!食塩水の濃度 vs Swiftime

The clearest difference is price: Swiftime at Free against 計算アプリ!!食塩水の濃度's $0.49. Swiftime also leads on update cadence (every 7 months vs every 32 months). 計算アプリ!!食塩水の濃度's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Swiftime is free to download; 計算アプリ!!食塩水の濃度 costs $0.49 up front. Swiftime sells 1 in-app purchase, starting at $0.49 per month. 計算アプリ!!食塩水の濃度 asks for nothing beyond the download.

計算アプリ!!食塩水の濃度 ships an update every 32 months, Swiftime every 7 months. The most recent releases landed on October 24, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 計算アプリ!!食塩水の濃度 | Swiftime |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | — | **[4.5 (32 ratings)](https://appshunter.io/ios/app/swiftime/id561320359/reviews)** |
| Number of ratings | — | **32** |
| Positive reviews | — | 55.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 32 months | **Every 7 months** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 60 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takaaki Sasaki](https://appshunter.io/developer/525616408) | [MEDIANO Co.,Ltd.](https://appshunter.io/developer/603605410) |

## What reviewers say

### 計算アプリ!!食塩水の濃度

[App page](https://appshunter.io/ios/app/id548985415)

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

**In-app purchases:** none


### Swiftime

[App page](https://appshunter.io/ios/app/swiftime/id561320359)

This app helps you manage your mornings with countdown voice alerts and helpful weather information. It provides weather forecasts and tips on what to wear, ensuring you leave on time and are prepared for the day's conditions.

**Highlights:** Countdown voice alerts, Push notification alarms, Customizable alarm sounds, Weather forecast, What to wear tips, Umbrella index

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $0.49 | per month |


## Frequently asked questions

### Is 計算アプリ!!食塩水の濃度 free?

計算アプリ!!食塩水の濃度 costs $0.49, with no in-app purchases.

### Is Swiftime free?

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

### Do 計算アプリ!!食塩水の濃度 or Swiftime have ads?

Swiftime shows ads; 計算アプリ!!食塩水の濃度 does not.

### Which is updated more often, 計算アプリ!!食塩水の濃度 or Swiftime?

計算アプリ!!食塩水の濃度 ships an update every 32 months, and Swiftime every 7 months. Most recently, 計算アプリ!!食塩水の濃度 was updated on October 24, 2026 and Swiftime on November 1, 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.*