# Summator vs Logarithm Calculator SDG

The clearest difference is ads: Summator at none against Logarithm Calculator SDG's shown. Summator also leads on monetization model (free vs ad-supported). Logarithm Calculator SDG's advantage is review sentiment (100% vs 83%) and device support (3 vs 1). On price, 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.

Summator ships an update every 14 months, Logarithm Calculator SDG every 12 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Summator | Logarithm Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/logarithm-calculator-sdg/id6741317024/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 12 months** |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 12 MB |
| Requires iOS | 17.2 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitri Roudakov](https://appshunter.io/developer/448176301) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### Summator

[App page](https://appshunter.io/ios/app/summator/id1193480396)

This utility app functions as a specialized calculator for tracking expenses. It allows users to add items and their values, storing both the running total and the individual entries. This makes it easier to manage costs and correct mistakes compared to a standard calculator.

**Highlights:** Itemized expense tracking, Stores running total, Remembers entered numbers, Easy correction of entries, Basic calculator function

**Features:** macOS Compatibility

**In-app purchases:** none


### Logarithm Calculator SDG

[App page](https://appshunter.io/ios/app/logarithm-calculator-sdg/id6741317024)

Easily calculate logarithms for any number with various bases, including e, 2, and 10. This tool simplifies complex mathematical operations for quick and accurate results.

**Highlights:** Calculate logarithms, Supports base e, Supports base 2, Supports base 10, Custom base support, Easy to use interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Summator free?

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

### Is Logarithm Calculator SDG free?

Logarithm Calculator SDG is free to download, with no in-app purchases.

### Do Summator or Logarithm Calculator SDG have ads?

Logarithm Calculator SDG shows ads; Summator does not.

### Which is updated more often, Summator or Logarithm Calculator SDG?

Summator ships an update every 14 months, and Logarithm Calculator SDG every 12 months. Most recently, Summator was updated on October 15, 2026 and Logarithm Calculator SDG on October 10, 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.*