Comparison

CalcKing Pro vs SnookerTally

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

Head to head
About

CalcKing Pro

Features
Read full description

Professional engineering calculator, the mobile computing tool for engineers! No ad interference: Specifically designed for engineers, with a pure usage experience and no pop-up ads. Full coverage of core functions: Basic scientific calculations: Trigonometric functions, logarithms and exponents, power operations, constant calls (π/e, etc.), support for degree/radian conversion, meeting general calculation needs. 12 types of unit conversions: Length, weight, area, volume, temperature, speed, etc., covering meters/cm/inches, kilograms/pounds, etc. Common sub-units, one-click quick conversion. Base conversion: Supports binary, octal, decimal, and hexadecimal conversions, suitable for electronic/computer engineering scenarios. Specialized engineering calculations: Built-in mechanics, circuits, materials, etc. Modules, solving professional problems such as force on inclined planes, series resistors, etc. User-friendly design: Portrait operation: Compatible with iPhone, using the vertical screen in engineering scenarios is more convenient. Local saved calculation history: Automatically records the last 20 calculations, not lost when uninstalling, and can be recalled at any time. Precise adaptation: Optimized for on-site work by engineers, clear display of large numbers, real-time input verification to avoid errors. Efficient work, time and effort-saving: From basic formulas to complex engineering problems, all are covered, helping you focus on core work!

About

SnookerTally

Features
Read full description

The App provided for snooker players simulates real-time scoring in formal competitions and simulates the referee's voice announcement of scores. It supports scoring in both two-player and three-player modes. If an operation error occurs, it can be recalled. All score and penalty records can be viewed, as well as historical data of players can be statistically analyzed.

Screenshots

CalcKing Pro4 screens
SnookerTally4 screens

Verdict

The call

The clearest difference is update cadence: SnookerTally at every 3 days against CalcKing Pro's weekly. 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. CalcKing Pro sells 1 one-off in-app purchase and SnookerTally sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CalcKing Pro ships an update weekly, SnookerTally every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 5 level
CalcKing Pro versus SnookerTally: the parameters behind the verdict, then further details
ParameterCalcKing ProSnookerTally
PriceFreeFree
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.6
Further details — not scored
Size2 MB3 MB
Age rating4+4+
Developer文娟 唐运梅 张

In-app purchases

1 purchases

CalcKing Pro

One-time1
  • 解锁功能$3.99
1 purchases

SnookerTally

One-time1
  • Permanent Membership$1.99

Questions

Is CalcKing Pro free?
CalcKing Pro is free to download, with in-app purchases available.
Is SnookerTally free?
SnookerTally is free to download, with in-app purchases available.
Do CalcKing Pro or SnookerTally have ads?
Neither CalcKing Pro nor SnookerTally shows ads.
Which is updated more often, CalcKing Pro or SnookerTally?
CalcKing Pro ships an update weekly, and SnookerTally every 3 days. Most recently, CalcKing Pro was updated on November 5, 2026 and SnookerTally on October 31, 2026.

Other comparisons