# Summator vs Octuple Calc

The clearest difference is ads: Summator at none against Octuple Calc's shown. Octuple Calc's advantage is update cadence (every 2 weeks vs every 14 months) and device support (3 vs 1). On price 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, Octuple Calc every 2 weeks. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Summator | Octuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 36 MB |
| Requires iOS | 17.2 | **15.8.3** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitri Roudakov](https://appshunter.io/developer/448176301) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## 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


### Octuple Calc

[App page](https://appshunter.io/ios/app/octuple-calc/id6742039735)

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

**In-app purchases:** none


## Frequently asked questions

### Is Summator free?

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

### Is Octuple Calc free?

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

### Do Summator or Octuple Calc have ads?

Octuple Calc shows ads; Summator does not.

### Which is updated more often, Summator or Octuple Calc?

Summator ships an update every 14 months, and Octuple Calc every 2 weeks. Most recently, Summator was updated on November 2, 2026 and Octuple Calc on October 28, 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.*