# Calculator CIassic vs Summa

The clearest difference is in-app purchases: Summa at none against Calculator CIassic's 1. Summa also leads on ads (none vs shown). Calculator CIassic's advantage is update cadence (weekly vs every 5 weeks) and ratings volume (12 vs 1). On price, rating and device support there is nothing between them.

Both are free to download. Calculator CIassic sells 1 one-off in-app purchase. Summa asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Calculator CIassic against 5.0 for Summa. That said, the two scores are not equally well evidenced: Calculator CIassic has 12 ratings behind it against 1, so its average is the more settled of the two.

Calculator CIassic ships an update weekly, Summa every 5 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Calculator CIassic | Summa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (12 ratings)](https://appshunter.io/ios/app/calculator-ciassic/id6447488409/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/summa-precision-made-simple/id6757430332/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 62 MB | 24 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Edison Largo](https://appshunter.io/developer/978541799) | [Ville Scholin](https://appshunter.io/developer/1832654283) |

## What reviewers say

### Calculator CIassic

[App page](https://appshunter.io/ios/app/calculator-ciassic/id6447488409)

A straightforward and user-friendly calculator app designed for quick calculations. It features a display log for tracking calculations, a backspace key for corrections, and supports both decimal points and commas.

**Highlights:** Display log for calculations, Backspace key for corrections, Decimal point and comma support, Easy-to-use interface, Suitable for students and professionals

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### 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 Calculator CIassic free?

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

### Is Summa free?

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

### Which has better reviews, Calculator CIassic or Summa?

Summa is rated higher. Calculator CIassic averages 4.9 out of 5 from 12 ratings, while Summa averages 5.0 from 1 ratings.

### Do Calculator CIassic or Summa have ads?

Calculator CIassic shows ads; Summa does not.

### Which is updated more often, Calculator CIassic or Summa?

Calculator CIassic ships an update weekly, and Summa every 5 weeks. Most recently, Calculator CIassic was updated on October 24, 2026 and Summa on October 17, 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.*