# Nixie Calculator — A Beautiful Retro Calculator

> Retro-styled calculator with paper tape and customizable display options. (iPhone/iPad app by UNB SYSTEMS PTY LTD.)

- Source: https://appshunter.io/ios/app/nixie-calculator/id1489019109 (this page in markdown: same URL + `.md`)
- Developer: [UNB SYSTEMS PTY LTD](https://appshunter.io/developer/1514057763)
- Category: Productivity
- Price: Free with in-app purchases
- Rating: 4.85/5 from 13 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 36 MB
- Languages: Czech, English, French, German, Italian, Japanese, Russian, Spanish, Ukrainian
- Released: 2019-11-25
- Data updated: 2026-06-04
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/nixie-calculator/id1489019109/reviews.md

## What is Nixie Calculator?

Features of Nixie Calculator:

• Paper tape to display what you have entered.  Can be copied or shared
• Copy and paste entries

Settings available:
• Color schemes
• Color layouts (in-app purchase)
• Rounding options
• Exponential modes
• Use classic Nixie font for the display
• Separators embedded with the digits
• Classic pyramid and illuminated thousand separators
• Classic red filter

The calculator is a rounding or truncating type to fit numbers into the fixed display.

Please enjoy this calculator that combines one of the first display technologies with state of the art in phone and tablet technology.

## Key features

- Paper tape for entry display
- Copy and paste functionality
- Customizable color schemes
- Adjustable rounding and exponential modes
- Classic Nixie font option
- Thousand separator styles

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Color Layouts | $2.99 | one-time |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/nixie-calculator/id1489019109/reviews.md

### 5/5 — Elegant and useful

*2023-09-22*

Multi platform, science calc, retro vibes - everything you want!

### 5/5 — Love it

*2020-03-19*

Works great on both my iPad and iPhone.

### 3/5 — Visually boring

*2019-12-28*

It Is a calculator, but the nixie display is far less realistically displayed than they were in actuality.

**Developer response:** Since last year I have added a number of settings to better copy the original displays including a red mask.  This has been a work in progress.

## Frequently asked questions about Nixie Calculator

### What makes Nixie Calculator unique?

Nixie Calculator combines a retro aesthetic, inspired by early display technologies, with modern smartphone capabilities. It features a paper tape for tracking entries and offers extensive customization options for a personalized user experience.

### Does Nixie Calculator have ads?

No, Nixie Calculator is ad-free. This allows for an uninterrupted user experience, focusing solely on its calculator functionalities and customization features.

### What customization options are available in Nixie Calculator?

Users can customize color schemes and layouts (via in-app purchase), rounding options, exponential modes, and choose to use the classic Nixie font. It also supports classic pyramid and illuminated thousand separators, and a red filter.

### Can I share or copy entries from Nixie Calculator?

Yes, the paper tape feature in Nixie Calculator allows you to easily copy or share your entered calculations. This is useful for documenting or transferring data to other applications.

### What devices is Nixie Calculator compatible with?

Nixie Calculator is designed for Apple devices, including iPhone, iPad, and iPod. It runs on iOS and leverages the technology of these platforms.

### How often is Nixie Calculator updated?

The app was last updated on September 12, 2024, indicating regular maintenance and potential feature additions. The latest version is 1.88.

### What is the age rating for Nixie Calculator?

Nixie Calculator has an age rating of 4+. This suggests it is suitable for a wide range of users, including children, due to its straightforward functionality and lack of mature content.

### What are the benefits of the in-app purchase for Nixie Calculator?

The in-app purchase in Nixie Calculator unlocks additional customization options, specifically for color layouts. This allows users to further personalize the app's appearance beyond the free color schemes.

## Version history (last 5 releases)

### 1.88 — 2024-09-12

Updated to support new Dark and Tinted icons.

### 1.86 — 2024-08-27

Improved support for newer versions of iOS.

### 1.85 — 2024-01-04

Improvements to the papertape for more complex scientific calculations.

### 1.84 — 2023-08-03

Bug fixes and improvements.

### 1.83 — 2023-07-30

Keyboard support is now included.  

Fix for buttons not appearing when using the 2nd function.

Also some improvements for iPads to add a setting for key press feedback and also improvements to the scientific mode button layout.

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## Related topics

[nixie calculator](https://appshunter.io/ios/topics/nixie-calculator) · [noxie](https://appshunter.io/ios/topics/noxie)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*