# Calculator + vs Square Root Calculator SDG

The clearest difference is in-app purchases: Square Root Calculator SDG at none against Calculator +'s 12. Square Root Calculator SDG also leads on review sentiment (100% vs 85%) and rating (4.8 vs 4.6). Calculator +'s advantage is update cadence (every 5 days vs every 12 months) and ratings volume (10K vs 4). On price, ads and device support there is nothing between them.

Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month. Square Root Calculator SDG asks for nothing beyond the download.

Square Root Calculator SDG holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 85% of Calculator +'s written reviews are positive against 100% of Square Root Calculator SDG's.

Calculator + ships an update every 5 days, Square Root Calculator SDG every 12 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Calculator + | Square Root Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/square-root-calculator-sdg/id6741165200/reviews)** |
| Number of ratings | **10K** | 4 |
| Positive reviews | 84.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 12 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 49 MB | 12 MB |
| Requires iOS | 16.4 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### Calculator +

[App page](https://appshunter.io/ios/app/calculator-plus/id351815470)

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

**Highlights:** Free basic and scientific calculator, Intuitive interface with equation and result display, Fraction and percent support, Advanced editing capabilities, Polynomial and linear equation solver, Graphing calculator, Unit conversion and geometric calculators

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Calculator | $4.99 | per month |
| Calculator | $39.99 | per year |
| Linear Calculator | $2.99 | one-time |
| Factoring Calculator | $2.99 | one-time |
| Handwriting Calculator | $2.99 | one-time |
| Currency Converter | $2.99 | one-time |
| Themes Pack | $2.99 | one-time |
| Graphing Calculator | $3.99 | one-time |
| Fraction Calculator | $3.99 | one-time |
| Scientific Calculator | $4.99 | one-time |
| Calculator Plus | $4.99 | one-time |
| Calculator | $16.99 | one-time |

**What reviewers like**

- 👍 Great features and easy to use
- 👍 Efficient and quick
- 👍 Versatile, functional calculator
- 👍 Fantastic, easy to use app
- 👍 Awesome calculator app

**What reviewers complain about**

- 🐛 New updated layout is awful
- 🐛 App is now terrible
- 🔒 Paying customer screwed over by update
- 🔒 Now timed trial, no free w/ads version
- 🔒 Not honest

**Reported bugs**

- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes

**Requested features**

- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines


### Square Root Calculator SDG

[App page](https://appshunter.io/ios/app/square-root-calculator-sdg/id6741165200)

This utility app provides a straightforward way to calculate the square root of any number. Its simple interface makes it easy to use for quick calculations.

**Highlights:** Calculate square roots, Easy to use interface, Quick calculations, Supports all numbers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator + free?

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

### Is Square Root Calculator SDG free?

Square Root Calculator SDG is free to download, with no in-app purchases.

### Which has better reviews, Calculator + or Square Root Calculator SDG?

Square Root Calculator SDG is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while Square Root Calculator SDG averages 4.8 from 4 ratings.

### Do Calculator + or Square Root Calculator SDG have ads?

Both Calculator + and Square Root Calculator SDG show ads.

### Which is updated more often, Calculator + or Square Root Calculator SDG?

Calculator + ships an update every 5 days, and Square Root Calculator SDG every 12 months. Most recently, Calculator + was updated on October 16, 2026 and Square Root Calculator SDG on October 4, 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.*