# Calculator Max vs Calculator HD++

The clearest difference is in-app purchases: Calculator HD++ at none against Calculator Max's 2. Calculator HD++ also leads on review sentiment (82% vs 55%) and iOS requirement (10.0 vs 15.0). Calculator Max's advantage is ads (none vs shown) and ratings volume (1.8K vs 277). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Calculator Max sells 2 in-app purchases, starting at $4.99 per year. Calculator HD++ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Calculator Max against 4.4 for Calculator HD++. That said, the two scores are not equally well evidenced: Calculator Max has 1.8K ratings behind it against 277, so its average is the more settled of the two. Written reviews are what separate them: 55% of Calculator Max's written reviews are positive against 82% of Calculator HD++'s.

Calculator Max ships an update every 2 months, Calculator HD++ monthly. Both last shipped on September 25, 2026.

## The numbers

| Metric | Calculator Max | Calculator HD++ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (1.8K ratings)](https://appshunter.io/ios/app/calculator-max/id364905554/reviews) | **[4.4 (277 ratings)](https://appshunter.io/ios/app/calculator-hd-plus-plus/id444114618/reviews)** |
| Number of ratings | **1.8K** | 277 |
| Positive reviews | 55.2% of reviews | **81.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 126 MB | 35 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Kozarek](https://appshunter.io/developer/303215376) | [smalltech sarl](https://appshunter.io/developer/289934568) |

## What reviewers say

### Calculator Max

[App page](https://appshunter.io/ios/app/calculator-max/id364905554)

This app offers a comprehensive suite of calculation tools, from basic arithmetic to advanced scientific functions. It features a history tape for easy access and reuse of entries, and a unique scribble pad for handwritten notes and equation solving on iPads. Enjoy a clean interface, multitasking support, and customizable themes.

**Highlights:** Basic and scientific calculators, History tape with export options, Handwritten notes and equation solving, Multitasking support on iPad, Customizable themes and app icons, Home Screen and Lock Screen widgets

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator Max Pro | $4.99 | per year |
| Calculator Max Pro | $3.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 📝 Useful note-taking feature
- 💾 Tape/history feature
- 👍 Clean and intuitive interface
- 🎨 Customizable appearance

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 📤 Lack of export/sharing options for tape/history
- 🔍 Difficulty finding settings
- 🔀 Sensitive orientation switching

**Reported bugs**

- Crashes after iOS 26 update
- Tape not visible/functional on iPhone
- Calculator buttons/layout issues in split-screen mode

**Requested features**

- Left-handed mode
- Backspace/edit functionality
- Scientific calculator mode with tape
- Tape annotation/labeling
- Cloud/Dropbox sync for tape


### Calculator HD++

[App page](https://appshunter.io/ios/app/calculator-hd-plus-plus/id444114618)

This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.

**Highlights:** High precision calculation engine, Results displayed while typing, Multiple undo functionality, Workspace switching, Persistent history, AirPrint compatibility, Email history sharing

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Detailed calculation history
- 🚀 Responsive and fast
- 👍 Helpful haptic feedback
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Settings have missing parameters
- 🐛 Previous calculations won't go away
- 💸 Annoying ads
- 🔍 Difficult to clear history

**Reported bugs**

- Crashes after recent update
- Incompatibility with Bluetooth keyboards

**Requested features**

- Option to remove ads
- Ability to switch to hexadecimal mode
- Larger buttons for easier use


## Frequently asked questions

### Is Calculator Max free?

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

### Is Calculator HD++ free?

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

### Which has better reviews, Calculator Max or Calculator HD++?

Calculator HD++ is rated higher. Calculator Max averages 4.3 out of 5 from 1.8K ratings, while Calculator HD++ averages 4.4 from 277 ratings.

### Do Calculator Max or Calculator HD++ have ads?

Calculator HD++ shows ads; Calculator Max does not.

### Which is updated more often, Calculator Max or Calculator HD++?

Calculator Max ships an update every 2 months, and Calculator HD++ monthly. Most recently, Calculator Max was updated on September 25, 2026 and Calculator HD++ on September 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.*