# でんたくん vs Calculator⁻

The clearest difference is review sentiment: でんたくん at 100% against Calculator⁻'s 52%. でんたくん also leads on ads (none vs shown). Calculator⁻'s advantage is update cadence (every 2 months vs every 34 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

でんたくん ships an update every 34 months, Calculator⁻ every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | でんたくん | Calculator⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (3.6K ratings)](https://appshunter.io/ios/app/calculator/id1327796464/reviews)** |
| Number of ratings | — | **3.6K** |
| Positive reviews | **100.0% of reviews** | 52.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 2 MB | 4 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yusuke_sharp9th](https://appshunter.io/developer/409982567) | [UniCom Technology](https://appshunter.io/developer/1270764210) |

## What reviewers say

### でんたくん

[App page](https://appshunter.io/ios/app/id710535028)

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

**In-app purchases:** none


### Calculator⁻

[App page](https://appshunter.io/ios/app/calculator/id1327796464)

A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.

**Highlights:** Basic arithmetic operations, Percentage calculations, Record and recall results, Customizable colors, Touch sound option

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient calculations
- 💡 Retro design
- 👍 Simple and straightforward

**What reviewers complain about**

- 🐛 Decimal point issues
- 🐛 Incorrect calculations
- 🐛 Broken buttons
- 🔍 Confusing button layout

**Reported bugs**

- Decimal point problem: .5 becomes 5
- Button that should be 7 shows as 9 and gives 9 when used
- Percentage button does not work correctly

**Requested features**

- Backspace button
- Percentage button that works properly
- Arrange buttons in standard calculator layout


## Frequently asked questions

### Is でんたくん free?

でんたくん is free to download, with no in-app purchases.

### Is Calculator⁻ free?

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

### Do でんたくん or Calculator⁻ have ads?

Calculator⁻ shows ads; でんたくん does not.

### Which is updated more often, でんたくん or Calculator⁻?

でんたくん ships an update every 34 months, and Calculator⁻ every 2 months. Most recently, でんたくん was updated on November 1, 2026 and Calculator⁻ on November 6, 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.*