# CaIculator vs Hidden calc

The clearest difference is in-app purchases: Hidden calc at none against CaIculator's 1. Hidden calc also leads on update cadence (every 2 weeks vs every 5 months). CaIculator's advantage is iOS requirement (12.0 vs 15.8.3). On price, ads and device support there is nothing between them.

Both are free to download. CaIculator sells 1 one-off in-app purchase. Hidden calc asks for nothing beyond the download.

CaIculator ships an update every 5 months, Hidden calc every 2 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CaIculator | Hidden calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (22 ratings)](https://appshunter.io/ios/app/caiculator/id6447991457/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 35 MB |
| Requires iOS | **12.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edison Largo](https://appshunter.io/developer/978541799) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### CaIculator

[App page](https://appshunter.io/ios/app/caiculator/id6447991457)

A simple and intuitive calculator app designed for ease of use. It offers features like a backspace key, decimal point/comma support, calculation history, and customizable themes. Regular updates ensure continuous improvement.

**Highlights:** Intuitive interface with large buttons, Backspace key for corrections, Decimal point or comma support, Calculation history display, Two customizable themes, Regular updates with new features

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Hidden calc

[App page](https://appshunter.io/ios/app/hidden-calc/id6502871727)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CaIculator free?

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

### Is Hidden calc free?

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

### Do CaIculator or Hidden calc have ads?

Both CaIculator and Hidden calc show ads.

### Which is updated more often, CaIculator or Hidden calc?

CaIculator ships an update every 5 months, and Hidden calc every 2 weeks. Most recently, CaIculator was updated on October 7, 2026 and Hidden calc on October 10, 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.*