# Xmas Calculator vs ReadableCalc

The clearest difference is update cadence: ReadableCalc at weekly against Xmas Calculator's every 15 months. ReadableCalc 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.

Xmas Calculator ships an update every 15 months, ReadableCalc weekly. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Xmas Calculator | ReadableCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Size | 6 MB | 28 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simon Bogh Holding ApS](https://appshunter.io/developer/776835874) | [YONAGARE LAB](https://appshunter.io/developer/1810986554) |

## What reviewers say

### Xmas Calculator

[App page](https://appshunter.io/ios/app/xmas-calculator-its-jolly/id776835871)

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

**In-app purchases:** none


### ReadableCalc

[App page](https://appshunter.io/ios/app/readablecalc/id6747457253)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Xmas Calculator free?

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

### Is ReadableCalc free?

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

### Do Xmas Calculator or ReadableCalc have ads?

Neither Xmas Calculator nor ReadableCalc shows ads.

### Which is updated more often, Xmas Calculator or ReadableCalc?

Xmas Calculator ships an update every 15 months, and ReadableCalc weekly. Most recently, Xmas Calculator was updated on November 11, 2026 and ReadableCalc on November 8, 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.*