# Just a Simple Calculator vs Summa

The clearest difference is update cadence: Summa at every 5 weeks against Just a Simple Calculator's every 5 months. Just a Simple Calculator's advantage is ratings volume (5 vs 1) and iOS requirement (13.0 vs 17.0). On price, rating, ads 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.

On the App Store both sit at effectively the same score — 5.0 for Just a Simple Calculator against 5.0 for Summa. That said, the two scores are not equally well evidenced: Just a Simple Calculator has 5 ratings behind it against 1, so its average is the more settled of the two.

Just a Simple Calculator ships an update every 5 months, Summa every 5 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Just a Simple Calculator | Summa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/just-a-simple-calculator/id6471594951/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/summa-precision-made-simple/id6757430332/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 24 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Onur Hazar](https://appshunter.io/developer/815533584) | [Ville Scholin](https://appshunter.io/developer/1832654283) |

## What reviewers say

### Just a Simple Calculator

[App page](https://appshunter.io/ios/app/just-a-simple-calculator/id6471594951)

This app offers a whimsical and stylish approach to basic arithmetic. It goes beyond simple calculations with delightful animations and customizable covers, making math tasks more engaging and elegant.

**Highlights:** Basic arithmetic operations, Delightful animations, User-friendly interface, Customizable calculator covers, Elegant color palette

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

**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 Just a Simple Calculator free?

Just a Simple Calculator 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, Just a Simple Calculator or Summa?

Just a Simple Calculator and Summa are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Just a Simple Calculator or Summa have ads?

Neither Just a Simple Calculator nor Summa shows ads.

### Which is updated more often, Just a Simple Calculator or Summa?

Just a Simple Calculator ships an update every 5 months, and Summa every 5 weeks. Most recently, Just a Simple Calculator was updated on November 4, 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.*