# Panecal Scientific Calculator vs Standard Deviation Calc

The clearest difference is review sentiment: Panecal Scientific Calculator at 76% against Standard Deviation Calc's 0%. Panecal Scientific Calculator also leads on rating (4.8 vs 3.8) and in-app purchases (none vs 1). Standard Deviation Calc's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Standard Deviation Calc sells 1 one-off in-app purchase. Panecal Scientific Calculator asks for nothing beyond the download.

Panecal Scientific Calculator holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Panecal Scientific Calculator has 2K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 76% of Panecal Scientific Calculator's written reviews are positive against 0% of Standard Deviation Calc's.

Panecal Scientific Calculator ships an update every 2 months, Standard Deviation Calc every 5 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Panecal Scientific Calculator | Standard Deviation Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2K ratings)](https://appshunter.io/ios/app/panecal-scientific-calculator/id668500803/reviews)** | [3.8 (12 ratings)](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733/reviews) |
| Number of ratings | **2K** | 12 |
| Positive reviews | **75.9% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 34 MB | 2 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Noriyasu Kutsuzawa](https://appshunter.io/developer/668500806) | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) |

## What reviewers say

### Panecal Scientific Calculator

[App page](https://appshunter.io/ios/app/panecal-scientific-calculator/id668500803)

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

**Highlights:** Formula editing with cursor and swipe, Reuse past formulas, Variable memory for calculations, Binary, octal, decimal, hexadecimal conversion, M+/M- memory functions, Angle unit settings (DEG, RAD, GRAD)

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great button layout
- 👍 Intuitive and user-friendly
- 👍 Powerful scientific functions
- 👍 Convenient display and history
- 👍 Useful for various fields (construction, engineering, etc.)

**What reviewers complain about**

- 🐛 Calculation errors in some cases
- 🐛 Glitches and crashes reported
- 🔍 Lack of engineering prefixes
- 📺 Ads can be intrusive
- 🔍 Suboptimal button placement and sizing

**Reported bugs**

- Inability to switch back from Bin mode
- Calculation history not scrolling properly
- Inconsistent behavior with certain operations

**Requested features**

- Unit conversion tools
- Customizable font and icon
- Ability to rotate screen
- More advanced programming features
- Improved order of operations handling


### Standard Deviation Calc

[App page](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733)

Calculate standard deviation for sample or population data. Input numerical values to find standard deviation, count, sum, mean, variance, and more. Get quick statistical insights with this easy-to-use tool.

**Highlights:** Calculate standard deviation, Sample or population data, Compute mean and variance, Count numerical values, Sum of numbers, List of differences

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Panecal Scientific Calculator free?

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

### Is Standard Deviation Calc free?

Standard Deviation Calc is free to download, with in-app purchases available.

### Which has better reviews, Panecal Scientific Calculator or Standard Deviation Calc?

Panecal Scientific Calculator is rated higher. Panecal Scientific Calculator averages 4.8 out of 5 from 2K ratings, while Standard Deviation Calc averages 3.8 from 12 ratings.

### Do Panecal Scientific Calculator or Standard Deviation Calc have ads?

Panecal Scientific Calculator shows ads; Standard Deviation Calc does not.

### Which is updated more often, Panecal Scientific Calculator or Standard Deviation Calc?

Panecal Scientific Calculator ships an update every 2 months, and Standard Deviation Calc every 5 months. Most recently, Panecal Scientific Calculator was updated on November 6, 2026 and Standard Deviation Calc on November 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.*