# Basic Calculator+ vs Zen Calculator

The clearest difference is in-app purchases: Basic Calculator+ at none against Zen Calculator's 1. Basic Calculator+ also leads on device support. Zen Calculator's advantage is iOS requirement (12.4 vs 15.0). On price there is nothing between them.

Both are free to download. Zen Calculator sells 1 one-off in-app purchase. Basic Calculator+ asks for nothing beyond the download.

## The numbers

| Metric | Basic Calculator+ | Zen Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (261K ratings)](https://appshunter.io/ios/app/basic-calculator-plus/id539356791/reviews)** | — |
| Number of ratings | **261K** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 13 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | — |
| Age rating | 4+ | 4+ |
| Developer | [Best Free Apps](https://appshunter.io/developer/539356794) | [Andrew Attard](https://appshunter.io/developer/1677333166) |

## What reviewers say

### Basic Calculator+

[App page](https://appshunter.io/ios/app/basic-calculator-plus/id539356791)

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

**Highlights:** Basic four functions, Clear display, Large buttons, Portrait and landscape modes, iPad compatible

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Large, clear buttons
- 👍 Straightforward, basic functionality
- 👍 No ads or in-app purchases
- 👍 Works well on iPad

**What reviewers complain about**

- 🐛 Inconsistent click volume
- 🐛 Ads can be intrusive or disruptive
- 🐛 Missing backspace/delete function

**Reported bugs**

- Incorrect calculation results
- Ads covering the screen

**Requested features**

- Add fraction button
- Implement order of operations
- Include memory function


### Zen Calculator

[App page](https://appshunter.io/ios/app/zen-calculator/id6462659226)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporting the devs work | $0.99 | one-time |


## Frequently asked questions

### Is Basic Calculator+ free?

Basic Calculator+ is free to download, with no in-app purchases.

### Is Zen Calculator free?

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

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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.*