# Calculator Plus v2 vs HK Mixed Keyboard

The clearest difference is update cadence: HK Mixed Keyboard at every 5 days against Calculator Plus v2's every 2 months. Calculator Plus v2's advantage is device support (5 vs 2) and iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator Plus v2 ships an update every 2 months, HK Mixed Keyboard every 5 days. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Calculator Plus v2 | HK Mixed Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (132 ratings)](https://appshunter.io/ios/app/calculator-plus-v2/id1181465428/reviews)** | — |
| Number of ratings | **132** | — |
| Positive reviews | 89.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 14 MB | 15 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wern Jie Lim](https://appshunter.io/developer/1032934247) | [Lung Wai Hor](https://appshunter.io/developer/6779518340) |

## What reviewers say

### Calculator Plus v2

[App page](https://appshunter.io/ios/app/calculator-plus-v2/id1181465428)

This app offers a powerful yet simple calculator experience, combining standard and scientific functions with live previews and error hints. It supports various input methods, including hardware keyboards and Apple Pencil, and provides multiple display formats for clear understanding of calculations.

**Highlights:** Standard and scientific calculator, Live expression and answer preview, Multiple display formats, Hardware keyboard support, Apple Pencil Scribble support, Bi-directional clipboard support, Syntax error hints

**In-app purchases:** none

**What reviewers like**

- 👍 Looks like the stock app
- 🚀 Fast and responsive
- 🔒 No ads or in-app purchases
- 👍 Clean and intuitive UI
- 👍 Familiar calculator layout

**What reviewers complain about**

- 🐛 Occasional crashes or disappearing from dock
- 🐛 Incorrect percentage calculations
- 🐛 Inconsistent behavior with order of operations
- 🔍 History tape not visible during calculations
- 🔍 No option to set number of decimal places

**Reported bugs**

- Crashes after recent update
- Incorrect results for some calculations
- Keyboard input not working as expected

**Requested features**

- Add widget support
- Implement iCloud sync for history
- Provide light/dark mode options
- Allow customization of button layout
- Add unit conversion tools


### HK Mixed Keyboard

[App page](https://appshunter.io/ios/app/hk-mixed-keyboard/id6818359136)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Plus v2 free?

Calculator Plus v2 is free to download, with no in-app purchases.

### Is HK Mixed Keyboard free?

HK Mixed Keyboard is free to download, with no in-app purchases.

### Do Calculator Plus v2 or HK Mixed Keyboard have ads?

Neither Calculator Plus v2 nor HK Mixed Keyboard shows ads.

### Which is updated more often, Calculator Plus v2 or HK Mixed Keyboard?

Calculator Plus v2 ships an update every 2 months, and HK Mixed Keyboard every 5 days. Most recently, Calculator Plus v2 was updated on November 2, 2026 and HK Mixed Keyboard on November 6, 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.*