# Calculator Plus Pro vs NameDay Calendars

The clearest difference is in-app purchases: NameDay Calendars at none against Calculator Plus Pro's 1. NameDay Calendars also leads on update cadence (every 4 days vs every 7 months). Calculator Plus Pro's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.5). On price and ads there is nothing between them.

Both are free to download. Calculator Plus Pro sells 1 one-off in-app purchase. NameDay Calendars asks for nothing beyond the download.

Calculator Plus Pro ships an update every 7 months, NameDay Calendars every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calculator Plus Pro | NameDay Calendars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (35 ratings)](https://appshunter.io/ios/app/calculator-plus-pro/id1255515239/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 9 MB | 1 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [政 王](https://appshunter.io/developer/962633214) | [Haim Cohen](https://appshunter.io/developer/635691700) |

## What reviewers say

### Calculator Plus Pro

[App page](https://appshunter.io/ios/app/calculator-plus-pro/id1255515239)

Enhance your iPad experience with this advanced calculator. It offers intelligent calculations and a clean, ad-free interface, making complex math tasks simpler and more efficient.

**Highlights:** Intelligent calculations, Complex math support, Ad-free experience, Optimized for iPad

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

**In-app purchases (1)**

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


### NameDay Calendars

[App page](https://appshunter.io/ios/app/nameday-calendars/id6804304091)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Plus Pro free?

Calculator Plus Pro is free to download, with in-app purchases available.

### Is NameDay Calendars free?

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

### Do Calculator Plus Pro or NameDay Calendars have ads?

Neither Calculator Plus Pro nor NameDay Calendars shows ads.

### Which is updated more often, Calculator Plus Pro or NameDay Calendars?

Calculator Plus Pro ships an update every 7 months, and NameDay Calendars every 4 days. Most recently, Calculator Plus Pro was updated on October 24, 2026 and NameDay Calendars on October 25, 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.*