# Smart vs Summa

The clearest difference is review sentiment: Summa at 100% against Smart's 0%. Summa also leads on rating (5.0 vs 3.0) and ads (none vs shown). Smart's advantage is iOS requirement (14.1 vs 17.0). On price, ratings volume, update cadence 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.

Summa holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Smart's written reviews are positive against 100% of Summa's.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Smart | Summa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/smart-scientific-calculator/id1601424984/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/summa-precision-made-simple/id6757430332/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 49 MB | 24 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shreyaskumar Patel](https://appshunter.io/developer/1599209768) | [Ville Scholin](https://appshunter.io/developer/1832654283) |

## What reviewers say

### 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


### Summa

[App page](https://appshunter.io/ios/app/summa-precision-made-simple/id6757430332)

A clean, fast, and beautifully designed calculator for everyday math, scientific calculations, and quick conversions. Features live preview, history, favorites, and smart gestures for effortless and accurate calculations.

**Highlights:** Live preview of results, History and Favorites for calculations, Scientific functions (exponents, roots, trig), Built-in unit and currency converter, Smart gestures for interaction, Multiple themes and icon options

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart free?

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

### Is Summa free?

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

### Which has better reviews, Smart or Summa?

Summa is rated higher. Smart averages 3.0 out of 5 from 1 ratings, while Summa averages 5.0 from 1 ratings.

### Do Smart or Summa have ads?

Smart shows ads; Summa does not.

### Which is updated more often, Smart or Summa?

Smart ships an update every 5 weeks, and Summa every 5 weeks. Most recently, Smart was updated on November 3, 2026 and Summa on November 5, 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.*