# Summa vs Calcanto

The clearest difference is update cadence: Calcanto at fortnightly against Summa's every 5 weeks. On price, ads, 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.

Summa ships an update every 5 weeks, Calcanto fortnightly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Summa | Calcanto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/summa-precision-made-simple/id6757430332/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 24 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ville Scholin](https://appshunter.io/developer/1832654283) | [Beijing CloudWest Technology Co., Ltd.](https://appshunter.io/developer/6809518466) |

## What reviewers say

### 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


### Calcanto

[App page](https://appshunter.io/ios/app/calcanto-talking-calculator/id6809518464)

**In-app purchases:** none


## Frequently asked questions

### Is Summa free?

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

### Is Calcanto free?

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

### Do Summa or Calcanto have ads?

Neither Summa nor Calcanto shows ads.

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

Summa ships an update every 5 weeks, and Calcanto fortnightly. Most recently, Summa was updated on October 25, 2026 and Calcanto on October 31, 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.*