# Summator vs Customizable calculator

The clearest difference is ads: Summator at none against Customizable calculator's shown. Customizable calculator's advantage is update cadence (every 2 days vs every 14 months) and iOS requirement (13.0 vs 17.2). On price, 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.

Summator ships an update every 14 months, Customizable calculator every 2 days. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Summator | Customizable calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 1 MB | 202 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitri Roudakov](https://appshunter.io/developer/448176301) | [Hisashi Yoshizawa](https://appshunter.io/developer/1770019728) |

## 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


### Customizable calculator

[App page](https://appshunter.io/ios/app/customizable-calculator/id6740001661)

**In-app purchases:** none


## Frequently asked questions

### Is Summator free?

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

### Is Customizable calculator free?

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

### Do Summator or Customizable calculator have ads?

Customizable calculator shows ads; Summator does not.

### Which is updated more often, Summator or Customizable calculator?

Summator ships an update every 14 months, and Customizable calculator every 2 days. Most recently, Summator was updated on October 15, 2026 and Customizable calculator 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.*