# CalcBin vs Octuple Calc

The clearest difference is in-app purchases: Octuple Calc at none against CalcBin's 1. Octuple Calc also leads on update cadence (every 2 weeks vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CalcBin sells 1 one-off in-app purchase. Octuple Calc asks for nothing beyond the download.

CalcBin ships an update every 6 months, Octuple Calc every 2 weeks. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CalcBin | Octuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 17 MB | 36 MB |
| Requires iOS | **14.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joaquin Alejandro Bondulich](https://appshunter.io/developer/1361881385) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### CalcBin

[App page](https://appshunter.io/ios/app/calcbin/id6630368724)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Octuple Calc

[App page](https://appshunter.io/ios/app/octuple-calc/id6742039735)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalcBin free?

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

### Is Octuple Calc free?

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

### Do CalcBin or Octuple Calc have ads?

Both CalcBin and Octuple Calc show ads.

### Which is updated more often, CalcBin or Octuple Calc?

CalcBin ships an update every 6 months, and Octuple Calc every 2 weeks. Most recently, CalcBin was updated on October 18, 2026 and Octuple Calc on October 13, 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.*