# Calculator HD+ Pro — Simply the best calculator app

> High-precision calculator with advanced features and workspace management. (iPhone/iPad app by smalltech sarl.)

- Source: https://appshunter.io/ios/app/calculator-hd-plus-pro/id465810912 (this page in markdown: same URL + `.md`)
- Developer: [smalltech sarl](https://appshunter.io/developer/289934568)
- Category: Utilities, Finance
- Price: $3.99
- Rating: 4.80/5 from 99 App Store ratings · 276 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 31 MB
- Languages: Danish, Ukrainian, Russian, Bulgarian, Croatian, Hungarian, Norwegian Bokmål, Hindi, Indonesian, Turkish and 29 more
- Released: 2011-09-30
- Data updated: 2026-09-13
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/calculator-hd-plus-pro/id465810912/reviews.md

## What is Calculator HD+ Pro?

- It is simple, easy to use and well designed
- High precision engine
- Result is displayed while typing the formula
- Multiple undo 
- Switch between workspaces !
- Persistent history
- Specialized keypad for iPhone and iPad
- Supports bluetooth keyboard
- Right or left-handed mode
- Print easily with AirPrint
- Share history by e-mail

The PRO version has the following advantages:
- more workspaces
- no advertising

## Key features

- High precision engine
- Result displayed while typing
- Multiple undo
- Switch between workspaces
- Persistent history
- Specialized keypad
- AirPrint support

## What do users think of Calculator HD+ Pro?

Overall sentiment: positive

**Pros**

- 👍 Intuitive and easy to use
- 🚀 Efficient and fast calculations
- 💡 Helpful calculation history and workspaces
- 🎨 Sleek and modern design
- 🔒 Reliable and stable performance

**Cons**

- 🐛 Occasional bugs and glitches
- 🔊 Annoying key press sound
- 📱 Needs better optimization for larger screens
- 💰 Paid version not significantly different from free

**Commonly reported bugs**

- Calculation history not always accurate
- Music playback issues when app is opened
- Location permission request not necessary

**Most requested features**

- Customizable decimal places
- Memory function
- Conversion tools
- Ability to sync across devices

## Recent user reviews (10 of 276)

All indexed reviews: https://appshunter.io/ios/app/calculator-hd-plus-pro/id465810912/reviews.md

### 5/5 — A melhor sempre!

*2025-06-06*

A melhor calc que uso já há anos. Usei por um bom tempo a versão free, então adquirir a Pro nada mais foi do que um cafezinho de agradecimento ao desenvolvedor desta maravilha. 
Mesmo depois das melhorias que a Apple vem fazendo na original do iPhone, este app aqui acaba ainda sendo o melhor! A visualização do histórico e as páginas são algo sem preço! E ainda mais do que isso, o design - que está melhor do que essa única screenshot da loja 😂 - os sons de resposta…. Enfim, passando para fazer jus a este app que me acompanha há tempos e agradecer ao seu desenvolvedor por mantê-lo na loja ao longo de todos esses anos. Continue assim 🙏🏻

### 5/5 — Parfait

*2024-11-13*

Calculatrice qui permet l’historique et son traitement. Bon achat.

### 5/5 — カッコいいし実用的

*2024-09-14*

純正より良いので、愛用してます。

### 5/5 — I use it every say

*2024-09-01*

In my opinion, the best calculator App. Brilliantly designed, intuitively to use.

### 4/5 — もう少し

*2024-08-26*

大変便利で活用させていただいてますが、
もう少し ほんのちょいで良いので、
入力ボタンを大きくしてもらえませんか？(縦方向  出来れば横も)
使用端末はiPhone 14です。
iPadはそのままで十分です。m(_ _)m

### 5/5 — Great

*2024-06-16*

The best

### 5/5 — Meilleur calculatrice sur IPHONE

*2024-05-30*

Vraiment la best calculatrice sur IPHONE !

### 5/5 — Just get it

*2024-03-29*

For a few bucks it saves a lot of frustration. I’m sure you waste more money on coffee in a week, just get it.

### 5/5 — 值得购买，支持开发者。

*2024-01-19*

细节的设计考虑到了实际的用处，方便了使用者。

### 5/5 — Good

*2023-11-03, version 1.65*

Best

## Frequently asked questions about Calculator HD+ Pro

### What does Calculator HD+ Pro do?

This app provides a high-precision calculation engine with a simple, easy-to-use, and well-designed interface. It displays results as you type formulas, offers multiple undo options, and allows you to switch between different workspaces for managing calculations.

### What are the key features of the Pro version?

The Pro version offers additional workspaces for enhanced organization and removes all advertising. It builds upon the core functionality of the free version, providing a more streamlined and uninterrupted user experience.

### How does the app handle calculation history?

The app features a persistent history that stores your past calculations. You can easily access, review, and even share this history via email, making it convenient to track your work and refer back to previous results.

### Is this app compatible with Bluetooth keyboards and AirPrint?

Yes, the app supports Bluetooth keyboards for input and offers easy printing capabilities with AirPrint. It also includes specialized keypads for iPhone and iPad, and a right or left-handed mode for user preference.

### What are the main use cases for this calculator app?

This app is ideal for anyone needing a robust calculator for everyday tasks, complex mathematical problems, or managing multiple calculation sets. Its features make it suitable for students, professionals, and general users who value precision and efficiency.

## Version history (last 5 releases)

### 1.65 — 2020-04-13

Small fixes

### 1.64 — 2020-03-12

Small fixes

### 1.63 — 2020-03-10

Small fixes

### 1.62 — 2020-03-04

Dark mode + many fixes

### 1.61 — 2019-08-20

Small fixes

## Apps similar to Calculator HD+ Pro

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Basic Calculator -](https://appshunter.io/ios/app/basic-calculator/id790580942) | 4.6 (1,874) | Free | Utilities |
| [The Best Calculator - Calc Pro](https://appshunter.io/ios/app/the-best-calculator-calc-pro/id451544502) | 4.6 (4,713) | Free | Utilities |
| [Calculator Easy HD](https://appshunter.io/ios/app/calculator-easy-hd/id448246366) | 4.8 (1,215) | Free | Utilities |
| [Calculator Plus v2](https://appshunter.io/ios/app/calculator-plus-v2/id1181465428) | 4.7 (131) | Free | Utilities |
| [Calculator Plus #1](https://appshunter.io/ios/app/calculator-plus-1/id576156235) | 4.8 (5,010) | Free | Utilities |
| [Basic Calculator: Classic Calc](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248) | 4.8 (3,192) | Free | Utilities |

## More apps by smalltech sarl

- [Astro Feel - Astrology](https://appshunter.io/ios/app/astro-feel-astrology/id315009263)
- [Bible Verses World](https://appshunter.io/ios/app/bible-verses-world/id315529146)
- [Astro Love - Calculator](https://appshunter.io/ios/app/astro-love-calculator/id317722164)
- [Bible Verses World Pro](https://appshunter.io/ios/app/bible-verses-world-pro/id319227449)
- [Battery HD+ Pro](https://appshunter.io/ios/app/battery-hd-plus-pro/id328670983)
- [Battery HD+](https://appshunter.io/ios/app/battery-hd-plus/id331453283)

All apps by smalltech sarl: https://appshunter.io/developer/289934568

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-13.*