# CAL_ vs DRA AR

The clearest difference is update cadence: CAL_ at every 4 days against DRA AR's every 6 months. CAL_ also leads on iOS requirement (12.0 vs 15.0). 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, DRA AR every 6 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CAL_ | DRA AR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 months |
| Size | 9 MB | 6 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SQUAIR Inc.](https://appshunter.io/developer/1162347955) | [株式会社建築ピボット](https://appshunter.io/developer/1450903325) |

## What reviewers say

### CAL_

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DRA AR

[App page](https://appshunter.io/ios/app/dra-ar/id6468973486)

**In-app purchases:** none


## Frequently asked questions

### Is CAL_ free?

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

### Is DRA AR free?

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

### Do CAL_ or DRA AR have ads?

Neither CAL_ nor DRA AR shows ads.

### Which is updated more often, CAL_ or DRA AR?

CAL_ ships an update every 4 days, and DRA AR every 6 months. Most recently, CAL_ was updated on October 4, 2026 and DRA AR on October 14, 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.*