# Calculator Plus vs Pressure

The clearest difference is price: Pressure at Free against Calculator Plus's $3.99. Pressure also leads on iOS requirement (9.1 vs 15). Calculator Plus's advantage is ratings volume (694 vs 3). On rating, update cadence, ads and in-app purchases there is nothing between them.

Pressure is free to download; Calculator Plus costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Calculator Plus against 5.0 for Pressure. That said, the two scores are not equally well evidenced: Calculator Plus has 694 ratings behind it against 3, so its average is the more settled of the two.

Calculator Plus ships an update every 5 weeks, Pressure monthly. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Calculator Plus | Pressure |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.9 (694 ratings)](https://appshunter.io/ios/app/calculator-plus-pro/id978091416/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pressure/id1001167640/reviews)** |
| Number of ratings | **694** | 3 |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 71 MB | 1 MB |
| Requires iOS | 15 | **9.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DigitAlchemy LLC](https://appshunter.io/developer/376971628) | [iOS Development Team HS Trier](https://appshunter.io/developer/904567516) |

## What reviewers say

### Calculator Plus

[App page](https://appshunter.io/ios/app/calculator-plus-pro/id978091416)

This app simplifies everyday math with a clean interface and a history of all your calculations. Easily handle basic operations, percentages, and more, with the ability to review past entries for quick reference. It's designed for efficient problem-solving on the go.

**Highlights:** Clear, readable calculation display, Basic arithmetic and percentages, Backspace for error correction, Memory buttons and calculation history, Light and dark themes, Advanced functions (squaring, square root, pi)

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Large, clear numbers
- 👍 Intuitive interface
- 👍 Reliable performance
- 👍 Convenient features (e.g. history, memory)

**What reviewers complain about**

- 🐛 Occasional clicking sound issue
- 🔋 Potential battery drain

**Reported bugs**

- Clicking sound not removable
- Compatibility issues on older devices

**Requested features**

- Dark mode option
- Algebraic order of operations
- Customizable color schemes


### Pressure

[App page](https://appshunter.io/ios/app/pressure/id1001167640)

This utility app allows users to read the built-in pressure sensor data from specific iPhone models. It displays pressure readings in various units, selectable through a picker view.

**Highlights:** Read built-in pressure sensor, Display pressure in multiple units, Unit selection via picker view, iPhone 6 and 6 Plus compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Plus free?

Calculator Plus costs $3.99, with no in-app purchases.

### Is Pressure free?

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

### Which has better reviews, Calculator Plus or Pressure?

Pressure is rated higher. Calculator Plus averages 4.9 out of 5 from 694 ratings, while Pressure averages 5.0 from 3 ratings.

### Do Calculator Plus or Pressure have ads?

Neither Calculator Plus nor Pressure shows ads.

### Which is updated more often, Calculator Plus or Pressure?

Calculator Plus ships an update every 5 weeks, and Pressure monthly. Most recently, Calculator Plus was updated on October 15, 2026 and Pressure on October 3, 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.*