# ReadableCalc vs CalcBoard

The clearest difference is in-app purchases: ReadableCalc at none against CalcBoard's 1. ReadableCalc also leads on update cadence (weekly vs every 3 months) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. CalcBoard sells 1 one-off in-app purchase. ReadableCalc asks for nothing beyond the download.

ReadableCalc ships an update weekly, CalcBoard every 3 months. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | ReadableCalc | CalcBoard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 28 MB | 50 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YONAGARE LAB](https://appshunter.io/developer/1810986554) | [Colby Clark](https://appshunter.io/developer/1110053823) |

## What reviewers say

### ReadableCalc

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

**Features:** macOS Compatibility

**In-app purchases:** none


### CalcBoard

[App page](https://appshunter.io/ios/app/calcboard-multi-calculator/id6759535339)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcBoard Premium | $2.99 | one-time |


## Frequently asked questions

### Is ReadableCalc free?

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

### Is CalcBoard free?

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

### Do ReadableCalc or CalcBoard have ads?

Neither ReadableCalc nor CalcBoard shows ads.

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

ReadableCalc ships an update weekly, and CalcBoard every 3 months. Most recently, ReadableCalc was updated on September 20, 2026 and CalcBoard on September 12, 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.*