# Calculator++ & Unit Converter vs CountQuick!

Calculator++ & Unit Converter and CountQuick! both sit at 5.0 stars, but that hides the real split: 100% of CountQuick!'s written reviews are positive against 11% of Calculator++ & Unit Converter's. CountQuick! also leads on ads (none vs shown) and ratings volume (11 vs 1). Calculator++ & Unit Converter's advantage is in-app purchases (none vs 1). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. CountQuick! sells 1 one-off in-app purchase. Calculator++ & Unit Converter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Calculator++ & Unit Converter against 5.0 for CountQuick!. That said, the two scores are not equally well evidenced: CountQuick! has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 11% of Calculator++ & Unit Converter's written reviews are positive against 100% of CountQuick!'s.

Calculator++ & Unit Converter ships an update every 9 months, CountQuick! every 7 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Calculator++ & Unit Converter | CountQuick! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/calculator-plus-plus-and-unit-converter/id1236110820/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/countquick/id1547824784/reviews) |
| Number of ratings | 1 | **11** |
| Positive reviews | 11.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Devbox](https://appshunter.io/developer/978950563) | [Danylo Korotin](https://appshunter.io/developer/1388241458) |

## What reviewers say

### Calculator++ & Unit Converter

[App page](https://appshunter.io/ios/app/calculator-plus-plus-and-unit-converter/id1236110820)

This advanced calculator app offers both basic and scientific functions with a professional, modern interface. It supports a wide range of mathematical operations, including trigonometry, logarithms, and exponents, and features a calculation history panel. It is designed for students, engineers, scientists, and professionals.

**Highlights:** Basic and scientific calculation modes, Advanced scientific functions (trigonometry, logs, exponents), Calculation history panel, Dark/Light mode support, Offline functionality, VoiceOver accessibility

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

**In-app purchases:** none


### CountQuick!

[App page](https://appshunter.io/ios/app/countquick/id1547824784)

Practice mental math skills with customizable sessions. Focus on addition, subtraction, multiplication, division, and fractions. Track your progress with detailed analysis and personalized reminders.

**Highlights:** Customizable math problem types, Numerical range selection, Session duration control, Graph analysis of results, Personalized reminders, Voice control, Accessibility shortcuts

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Analysis | $3.99 | one-time |


## Frequently asked questions

### Is Calculator++ & Unit Converter free?

Calculator++ & Unit Converter is free to download, with no in-app purchases.

### Is CountQuick! free?

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

### Which has better reviews, Calculator++ & Unit Converter or CountQuick!?

Calculator++ & Unit Converter and CountQuick! are both rated 5.0 out of 5 on the App Store, from 1 and 11 ratings respectively.

### Do Calculator++ & Unit Converter or CountQuick! have ads?

Calculator++ & Unit Converter shows ads; CountQuick! does not.

### Which is updated more often, Calculator++ & Unit Converter or CountQuick!?

Calculator++ & Unit Converter ships an update every 9 months, and CountQuick! every 7 months. Most recently, Calculator++ & Unit Converter was updated on November 2, 2026 and CountQuick! on November 7, 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.*