# Calculator++P vs Calendar Clock

The clearest difference is review sentiment: Calculator++P at 67% against Calendar Clock's 0%. Calculator++P also leads on update cadence (every 3 months vs every 41 months) and iOS requirement (13.0 vs 26.5). Calendar Clock's advantage is price ($0.99 vs $2.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Calculator++P costs $2.99 and Calendar Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator++P ships an update every 3 months, Calendar Clock every 41 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calculator++P | Calendar Clock |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/calculator-plus-plus-p/id1072096140/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 41 months |
| Monetization | Paid | Paid |
| Size | 73 MB | 4 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YUTAKA KENJO](https://appshunter.io/developer/1070080613) | [Systemiko Inc.](https://appshunter.io/developer/680630947) |

## What reviewers say

### Calculator++P

[App page](https://appshunter.io/ios/app/calculator-plus-plus-p/id1072096140)

This utility app simplifies calculations with expression input, one-touch discount and tax calculations, and automatic history saving. It offers a memory function and customizable decimal/punctuation formats for efficient use in everyday scenarios like shopping and estimations.

**Highlights:** Expression-based calculations, One-touch discount and tax calculation, Automatic calculation history, Memory function (M+, M-, MC, MAC), Customizable decimal and punctuation formats, Resumable calculations after interruption

**Features:** Vision Pro support

**In-app purchases:** none


### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

**Highlights:** All-in-one screen display, Year, month, week, day, hour, minute, second, Switchable theme colors (dark, light, green, blue), Disables device sleep mode, Acts as a desk clock

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator++P free?

Calculator++P costs $2.99, with no in-app purchases.

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Do Calculator++P or Calendar Clock have ads?

Neither Calculator++P nor Calendar Clock shows ads.

### Which is updated more often, Calculator++P or Calendar Clock?

Calculator++P ships an update every 3 months, and Calendar Clock every 41 months. Most recently, Calculator++P was updated on October 24, 2026 and Calendar Clock on October 24, 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.*