Comparison

Nixie Calculator vs Classic Chess Game Clock

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

Head to head
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.

About

Classic Chess Game Clock

Features
Read full description

"Classic Chess Game Clock" is a professional chess timing tool. If you love playing chess, please try this app. It can effectively improve the efficiency of your chess playing. Of course, you can also use it as a timing tool for official chess competitions. Hope this app will be helpful to you.

Screenshots

Nixie Calculator4 screens
Classic Chess Game Clock3 screens

Verdict

The call

The clearest difference is update cadence: Nixie Calculator at monthly against Classic Chess Game Clock's every 12 months. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Nixie Calculator sells 1 one-off in-app purchase and Classic Chess Game Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Nixie Calculator ships an update monthly, Classic Chess Game Clock every 12 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard1 real difference · 9 level
Nixie Calculator versus Classic Chess Game Clock: the parameters behind the verdict, then further details
ParameterNixie CalculatorClassic Chess Game Clock
PriceFreeFree
Rating4.9 (15 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings15 — better—
Update frequencyMonthly — betterEvery 12 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size36 MB3 MB
Age rating4+4+
DeveloperUNB SYSTEMS PTY LTD忆倩 刘

In-app purchases

1 purchases

Nixie Calculator

One-time1
  • Color Layouts$2.99
1 purchases

Classic Chess Game Clock

One-time1
  • Pro Version$4.99

Questions

Is Nixie Calculator free?
Nixie Calculator is free to download, with in-app purchases available.
Is Classic Chess Game Clock free?
Classic Chess Game Clock is free to download, with in-app purchases available.
Do Nixie Calculator or Classic Chess Game Clock have ads?
Neither Nixie Calculator nor Classic Chess Game Clock shows ads.
Which is updated more often, Nixie Calculator or Classic Chess Game Clock?
Nixie Calculator ships an update monthly, and Classic Chess Game Clock every 12 months. Most recently, Nixie Calculator was updated on November 3, 2026 and Classic Chess Game Clock on November 4, 2026.

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