# ただの電卓 vs BijaVault

The clearest difference is in-app purchases: ただの電卓 at none against BijaVault's 2. ただの電卓 also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). BijaVault's advantage is update cadence (every 3 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. BijaVault sells 2 in-app purchases, starting at $4.99 per month. ただの電卓 asks for nothing beyond the download.

ただの電卓 ships an update fortnightly, BijaVault every 3 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ただの電卓 | BijaVault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/id1573909569/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 14 MB | 26 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIROKI HORIGUCHI](https://appshunter.io/developer/1535451720) | [TRADE CENTER, K.K.](https://appshunter.io/developer/6809109039) |

## What reviewers say

### ただの電卓

[App page](https://appshunter.io/ios/app/id1573909569)

**Features:** macOS Compatibility

**In-app purchases:** none


### BijaVault

[App page](https://appshunter.io/ios/app/bijavault-markdown-notes/id6809109037)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BijaVault Pro Monthly | $4.99 | per month |
| BijaVault Pro Yearly | $47.99 | per year |


## Frequently asked questions

### Is ただの電卓 free?

ただの電卓 is free to download, with no in-app purchases.

### Is BijaVault free?

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

### Do ただの電卓 or BijaVault have ads?

BijaVault shows ads; ただの電卓 does not.

### Which is updated more often, ただの電卓 or BijaVault?

ただの電卓 ships an update fortnightly, and BijaVault every 3 days. Most recently, ただの電卓 was updated on October 12, 2026 and BijaVault on October 24, 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.*