# Calculator HD++ vs Calculator%.

Calculator HD++ and Calculator%. both sit at 4.4 stars, but that hides the real split: 82% of Calculator HD++'s written reviews are positive against 61% of Calculator%.'s. Calculator HD++ also leads on update cadence (monthly vs every 3 months) and iOS requirement (10.0 vs 12.1). Calculator%.'s advantage is ratings volume (4.2K vs 277). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.4 for Calculator HD++ against 4.4 for Calculator%.. That said, the two scores are not equally well evidenced: Calculator%. has 4.2K ratings behind it against 277, so its average is the more settled of the two. Written reviews are what separate them: 82% of Calculator HD++'s written reviews are positive against 61% of Calculator%.'s.

Calculator HD++ ships an update monthly, Calculator%. every 3 months. The most recent releases landed on September 25, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Calculator HD++ | Calculator%. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (277 ratings)](https://appshunter.io/ios/app/calculator-hd-plus-plus/id444114618/reviews) | [4.4 (4.2K ratings)](https://appshunter.io/ios/app/calculator/id980603448/reviews) |
| Number of ratings | 277 | **4.2K** |
| Positive reviews | **81.6% of reviews** | 61.2% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 35 MB | 11 MB |
| Requires iOS | **10.0** | 12.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [smalltech sarl](https://appshunter.io/developer/289934568) | [UniCom Technology](https://appshunter.io/developer/1270764210) |

## What reviewers say

### 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


### Calculator%.

[App page](https://appshunter.io/ios/app/calculator/id980603448)

This app offers a straightforward calculator with a large display and oversized buttons for easy operation. It's designed for everyday tasks, enabling users to perform fundamental arithmetic like addition, subtraction, multiplication, and division with clarity and convenience.

**Highlights:** Big display and buttons, Easy to use, Basic calculations, Clear display format, Intuitive design

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient for large numbers
- 💡 Helpful for solving problems

**What reviewers complain about**

- 🐛 Occasional glitches and bugs
- 💸 Intrusive ads
- 🔍 Difficult to find settings/options

**Reported bugs**

- App crashes when adding certain numbers
- Buttons not responsive at times
- Incorrect calculations for some operations

**Requested features**

- History feature
- Customizable interface
- Improved accuracy for decimal calculations


## Frequently asked questions

### Is Calculator HD++ free?

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

### Is Calculator%. free?

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

### Which has better reviews, Calculator HD++ or Calculator%.?

Calculator HD++ and Calculator%. are both rated 4.4 out of 5 on the App Store, from 277 and 4.2K ratings respectively.

### Do Calculator HD++ or Calculator%. have ads?

Both Calculator HD++ and Calculator%. show ads.

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

Calculator HD++ ships an update monthly, and Calculator%. every 3 months. Most recently, Calculator HD++ was updated on September 25, 2026 and Calculator%. on September 27, 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.*