Comparison

FastCalc lite vs Nixie Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FastCalc lite

This calculator app offers a streamlined experience with large, easy-to-use keys and a permanent display of your calculations. It automatically shows results as you type, eliminating the need for an equals button.

Highlights
  • Large, easy-to-read keys
  • Permanent expression display
  • Automatic result display
  • Gesture-based interface
  • Integrated help videos
Read full description

FastCalc lite is a calculator recognized for its efficiency and ease of use. It stands out thanks to: • its large keys, which allow for fast and accurate input, • the permanent display of the expression entered by the user, • the automatic display of the result while typing: no “=” key required! FastCalc lite is thus a simple and efficient calculator, ideal for everyday calculations. BASICS OF USE The interface of FastCalc lite is innovative and minimalist, entirely based on simple gestures: • Select a side symbol on a key: slide your finger in its direction. • Delete the last entered elements: make a small swipe to the left on the display. • Clear the entire expression: swipe quickly to the left across the whole display. FEATURES • Large, practical, and easy-to-read keys. • Permanent display of the current expression. • Integrated help videos and user guide (in ⓘ).

About

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.

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
Read full description

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.

Screenshots

FastCalc lite2 screens
Nixie Calculator4 screens

Verdict

The call

The clearest difference is rating: Nixie Calculator at 4.9 against FastCalc lite's 3.8. Nixie Calculator also leads on update cadence (monthly vs every 5 months) and iOS requirement (15.0 vs 26.0). FastCalc lite's advantage is in-app purchases (none vs 1). On price, review sentiment, ratings volume and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Nixie Calculator sells 1 one-off in-app purchase. FastCalc lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nixie Calculator holds the better App Store score, 4.9 against 3.8. Both are backed by a comparable volume of ratings — 15 and 15 respectively. Written reviews complicate that: 73% of FastCalc lite's written reviews are positive against 67% of Nixie Calculator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

FastCalc lite ships an update every 5 months, Nixie Calculator monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
FastCalc lite versus Nixie Calculator: the parameters behind the verdict, then further details
ParameterFastCalc liteNixie Calculator
PriceFreeFree
Rating3.8 (15 ratings)4.9 (15 ratings) — better
Positive reviews73.3% of reviews — better66.7% of reviews
Number of ratings1515
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size9 MB36 MB
Age rating4+4+
DeveloperAndre PonzoUNB SYSTEMS PTY LTD

Customer experience

FastCalc lite

All ratings15 ratings
Positive66.7%
Neutral6.7%
Negative26.7%
Written reviews15 reviews
Positive73.3%
Neutral13.3%
Negative13.3%

Nixie Calculator

All ratings13 ratings
Positive92.3%
Neutral7.7%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

FastCalc lite

No in-app purchases

1 purchases

Nixie Calculator

One-time1
  • Color Layouts$2.99

Questions

Is FastCalc lite free?
FastCalc lite is free to download, with no in-app purchases.
Is Nixie Calculator free?
Nixie Calculator is free to download, with in-app purchases available.
Which has better reviews, FastCalc lite or Nixie Calculator?
Nixie Calculator is rated higher. FastCalc lite averages 3.8 out of 5 from 15 ratings, while Nixie Calculator averages 4.9 from 15 ratings.
Do FastCalc lite or Nixie Calculator have ads?
Neither FastCalc lite nor Nixie Calculator shows ads.
Which is updated more often, FastCalc lite or Nixie Calculator?
FastCalc lite ships an update every 5 months, and Nixie Calculator monthly. Most recently, FastCalc lite was updated on November 1, 2026 and Nixie Calculator on November 3, 2026.

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