# CAL_ vs ただの電卓

The clearest difference is update cadence: CAL_ at every 4 days against ただの電卓's fortnightly. On price, ads, 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.

CAL_ ships an update every 4 days, ただの電卓 fortnightly. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CAL_ | ただの電卓 |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Size | 9 MB | 14 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SQUAIR Inc.](https://appshunter.io/developer/1162347955) | [HIROKI HORIGUCHI](https://appshunter.io/developer/1535451720) |

## What reviewers say

### CAL_

[App page](https://appshunter.io/ios/app/cal-logging-calculator/id1162347956)

**Features:** macOS Compatibility

**In-app purchases:** none


### ただの電卓

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CAL_ free?

CAL_ is free to download, with no in-app purchases.

### Is ただの電卓 free?

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

### Do CAL_ or ただの電卓 have ads?

Neither CAL_ nor ただの電卓 shows ads.

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

CAL_ ships an update every 4 days, and ただの電卓 fortnightly. Most recently, CAL_ was updated on October 29, 2026 and ただの電卓 on November 3, 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.*