# Nixie Calculator vs Missing Number Calculator

The clearest difference is price: Nixie Calculator at Free against Missing Number Calculator's $0.99. Nixie Calculator also leads on iOS requirement (15.0 vs 17.0). Missing Number Calculator's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs monthly). On ads and device support there is nothing between them.

Nixie Calculator is free to download; Missing Number Calculator costs $0.99 up front. Nixie Calculator sells 1 one-off in-app purchase. Missing Number Calculator asks for nothing beyond the download.

Nixie Calculator ships an update monthly, Missing Number Calculator every 3 days. Both last shipped on October 13, 2026.

## The numbers

| Metric | Nixie Calculator | Missing Number Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/nixie-calculator/id1489019109/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UNB SYSTEMS PTY LTD](https://appshunter.io/developer/1514057763) | [Infinity Inc. (Apps)](https://appshunter.io/developer/1680741877) |

## What reviewers say

### Nixie Calculator

[App page](https://appshunter.io/ios/app/nixie-calculator/id1489019109)

This calculator app features a digital paper tape to display entries, which can be copied or shared. It offers various customization options like color schemes, rounding, and display modes, blending retro aesthetics with modern device technology.

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

**In-app purchases (1)**

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


### Missing Number Calculator

[App page](https://appshunter.io/ios/app/missing-number-calculator/id6747973776)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nixie Calculator free?

Nixie Calculator is free to download, with in-app purchases available.

### Is Missing Number Calculator free?

Missing Number Calculator costs $0.99, with no in-app purchases.

### Do Nixie Calculator or Missing Number Calculator have ads?

Neither Nixie Calculator nor Missing Number Calculator shows ads.

### Which is updated more often, Nixie Calculator or Missing Number Calculator?

Nixie Calculator ships an update monthly, and Missing Number Calculator every 3 days. Most recently, Nixie Calculator was updated on October 13, 2026 and Missing Number Calculator on October 13, 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.*