# 億兆電卓 vs シェアカレンダーSC

The clearest difference is ads: 億兆電卓 at none against シェアカレンダーSC's shown. 億兆電卓 also leads on iOS requirement (15.6 vs 17.0). シェアカレンダーSC's advantage is update cadence (every 2 days vs every 6 days). On price, in-app purchases and device support there is nothing between them.

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

億兆電卓 ships an update every 6 days, シェアカレンダーSC every 2 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 億兆電卓 | シェアカレンダーSC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/id1443248865/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 2 days** |
| Size | 1 MB | 18 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YouTeacher Inc.](https://appshunter.io/developer/423093933) | [CHIHIRO AKAMA](https://appshunter.io/developer/1854289855) |

## What reviewers say

### 億兆電卓

[App page](https://appshunter.io/ios/app/id1443248865)

**Features:** macOS Compatibility

**In-app purchases:** none


### シェアカレンダーSC

[App page](https://appshunter.io/ios/app/sc/id6762629264)

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

**In-app purchases:** none


## Frequently asked questions

### Is 億兆電卓 free?

億兆電卓 is free to download, with no in-app purchases.

### Is シェアカレンダーSC free?

シェアカレンダーSC is free to download, with no in-app purchases.

### Do 億兆電卓 or シェアカレンダーSC have ads?

シェアカレンダーSC shows ads; 億兆電卓 does not.

### Which is updated more often, 億兆電卓 or シェアカレンダーSC?

億兆電卓 ships an update every 6 days, and シェアカレンダーSC every 2 days. Most recently, 億兆電卓 was updated on November 2, 2026 and シェアカレンダーSC 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.*