# Calculator+= vs Smart

The clearest difference is review sentiment: Calculator+= at 50% against Smart's 0%. Calculator+= also leads on rating (3.6 vs 3.0) and ads (none vs shown). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator+= holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: Calculator+= has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Calculator+='s written reviews are positive against 0% of Smart's.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Calculator+= | Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (7 ratings)](https://appshunter.io/ios/app/calculator-plus/id1452525756/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/smart-scientific-calculator/id1601424984/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 49 MB |
| Requires iOS | **9.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [thebaselab Ltd](https://appshunter.io/developer/1452525755) | [Shreyaskumar Patel](https://appshunter.io/developer/1599209768) |

## What reviewers say

### Calculator+=

[App page](https://appshunter.io/ios/app/calculator-plus/id1452525756)

This basic calculator app allows for multiple value calculations and displays the record of the last calculation. Users can easily copy answers by pressing and holding, and it supports Split View on iPad for enhanced multitasking.

**Highlights:** Multiple value calculations, Last calculation record, Press & hold to copy answer, Split View support on iPad

**Features:** Vision Pro support

**In-app purchases:** none


### Smart

[App page](https://appshunter.io/ios/app/smart-scientific-calculator/id1601424984)

This utility app offers a comprehensive suite of calculators for everyday financial, health, and date-related needs. It includes tools for loans, investments, taxes, health metrics, and unit conversions, along with a math solver.

**Highlights:** Basic & Scientific Calculations, Loan & Investment Calculators, Health & Date Calculators, Unit & Currency Converters, GST/Sales Tax/VAT Calculator, Math Solver, History & Number to Word Conversion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator+= free?

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

### Is Smart free?

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

### Which has better reviews, Calculator+= or Smart?

Calculator+= is rated higher. Calculator+= averages 3.6 out of 5 from 7 ratings, while Smart averages 3.0 from 1 ratings.

### Do Calculator+= or Smart have ads?

Smart shows ads; Calculator+= does not.

### Which is updated more often, Calculator+= or Smart?

Calculator+= ships an update every 5 weeks, and Smart every 5 weeks. Most recently, Calculator+= was updated on October 24, 2026 and Smart on October 6, 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.*