Nixie Calculator vs Missing Number Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nixie Calculator
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.
- Paper tape for entry display
- Copy and paste functionality
- Customizable color schemes
- Adjustable rounding and exponential modes
- Classic Nixie font option
- Thousand separator styles
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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.
Missing Number Calculator
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Instantly solve missing number math puzzles! Find the value of the blank with this intuitive calculator app. Missing Number Calculator lets you solve equations with a missing value. Enter a math expression with a blank, and the app finds the answer instantly. Perfect for learning, practice, or fun!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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. The most recent releases landed on June 4, 2026 and September 27, 2026 respectively.
| Parameter | Nixie Calculator | Missing Number Calculator |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.8 (13 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 36 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | UNB SYSTEMS PTY LTD | Infinity Inc. (Apps) |
In-app purchases
Nixie Calculator
- Color Layouts$2.99
Missing Number Calculator
No in-app purchases
Questions
Is Nixie Calculator free?
Is Missing Number Calculator free?
Do Nixie Calculator or Missing Number Calculator have ads?
Which is updated more often, Nixie Calculator or Missing Number Calculator?
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