# XLII vs ReadableCalc

The clearest difference is update cadence: ReadableCalc at weekly against XLII's every 12 months. ReadableCalc also leads on iOS requirement (12.0 vs 17.6). 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.

XLII ships an update every 12 months, ReadableCalc weekly. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | XLII | ReadableCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Size | 15 MB | 28 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [telethon k.k.](https://appshunter.io/developer/699508003) | [YONAGARE LAB](https://appshunter.io/developer/1810986554) |

## What reviewers say

### XLII

[App page](https://appshunter.io/ios/app/xlii/id1611293280)

**Features:** Vision Pro 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 XLII free?

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

### Is ReadableCalc free?

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

### Do XLII or ReadableCalc have ads?

Neither XLII nor ReadableCalc shows ads.

### Which is updated more often, XLII or ReadableCalc?

XLII ships an update every 12 months, and ReadableCalc weekly. Most recently, XLII was updated on October 11, 2026 and ReadableCalc on October 7, 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.*