# スマホで請求書 vs 干支計算電卓アプリ

The clearest difference is price: スマホで請求書 at Free against 干支計算電卓アプリ's $0.49. スマホで請求書 also leads on update cadence (every 4 days vs every 18 months). 干支計算電卓アプリ's advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 17.6). On ads and device support there is nothing between them.

スマホで請求書 is free to download; 干支計算電卓アプリ costs $0.49 up front. スマホで請求書 sells 5 in-app purchases, starting at $1.99 per month. 干支計算電卓アプリ asks for nothing beyond the download.

スマホで請求書 ships an update every 4 days, 干支計算電卓アプリ every 18 months. The most recent releases landed on November 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | スマホで請求書 | 干支計算電卓アプリ |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id984892840/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 48.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 18 months |
| Size | 22 MB | 16 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YOSHIHIRO TAKAHASHI](https://appshunter.io/developer/574193873) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### スマホで請求書

[App page](https://appshunter.io/ios/app/id984892840)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| スマホで請求書Pro 月額 | $1.99 | per month |
| スマホで請求書Pro 年額 | $24.99 | per year |
| 分析レポート | $0.99 | one-time |
| 経営相談チケット | $1.99 | one-time |
| 基本機能（買い切り） | $5.99 | one-time |


### 干支計算電卓アプリ

[App page](https://appshunter.io/ios/app/etocalc/id6502873595)

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

**In-app purchases:** none


## Frequently asked questions

### Is スマホで請求書 free?

スマホで請求書 is free to download, with in-app purchases available.

### Is 干支計算電卓アプリ free?

干支計算電卓アプリ costs $0.49, with no in-app purchases.

### Do スマホで請求書 or 干支計算電卓アプリ have ads?

Neither スマホで請求書 nor 干支計算電卓アプリ shows ads.

### Which is updated more often, スマホで請求書 or 干支計算電卓アプリ?

スマホで請求書 ships an update every 4 days, and 干支計算電卓アプリ every 18 months. Most recently, スマホで請求書 was updated on November 1, 2026 and 干支計算電卓アプリ on September 22, 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.*