Comparison

OmniCounter vs Tug Calc

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

Head to head
About

OmniCounter

This app is a comprehensive calculator with support for basic, scientific, and advanced mathematical functions. It features a customizable keyboard, multiple input bases, and expression beautification. Enjoy a powerful, ad-free calculation experience.

Highlights
  • Supports over a dozen computing categories
  • Customizable keyboard with auto-completion
  • Multiple input bases (binary, octal, decimal, hex)
  • Beautified input expressions
  • Optional historical features
  • Copy inputs and outputs
Features
Read full description

It's a Fully Functional Calculator that supports basic, scientific, trigonometry, algebra, calculus, combinatorics, datetime, economics, geometry, matrix, vector, number theory, statistics, and so on. · This App is permanently ad-free. · This App uses a powerful computing engine to support up to a dozen categories of computing, including basic, scientific, trigonometry, algebra, calculus, combinatorics, datetime, economics, geometry, matrix, vector, number theory, statistics, and more. · This app provides a customized keyboard that supports automatic completion and parameter prompts. In addition, the app also supports the system to include input from other third-party keyboards. · This app supports binary, octal, decimal, binary, and hex inputs and outputs. · This app beautifies the input expressions in different colors and spaces. · This app offers optional historical features (on by default). · This app supports the copying of inputs and outputs. · This app provides a number of configurable parameters. · This app was ingeniously built all by myself.

About

Tug Calc

Read full description

Tug Calc is a calculator that can be connected by sliding. It supports multiple numerical connections, direct correlation of operation results, scientific operations, and rich mathematical charts, including line charts, bar charts, pie charts, polar coordinates, etc. 【Connection Value】 Press and hold the value and drag it to other value positions to complete the connection, and the calculation results will be related to each other after connecting the values, so that you can enter multiple calculations at one time. 【Flexible Labels】 Add tags to the values, the associated values can be modified synchronously, the calculation process is easy to remember, and the operation results are defined by you. 【Rich Charts】 Rich mathematical charts are supported, including line charts, bar charts, pie charts, polar coordinates, etc. Drag and drop values to the specified area to create a new chart, and drag and drop the values to an existing chart to add a plot directly. 【Scientific Computing】 In addition to basic addition, subtraction, multiplication and division operations, the calculator also supports scientific operation mode. Including power exponential operations, logarithmic operations, trigonometric function operations, factorial operations, integer operations, etc. 【Convenient Keyboard】 The software has a built-in convenient computer keyboard, which is tailor-made for calculus, and can quickly complete the calculation and calculation input. 【File Management】 Support operation file management, different operations are saved separately, and the historical record is convenient for backtracking. 【Snapshot Export】 Support program snapshot export, the calculation process is clear at a glance, easy to share, and the results are presented in seconds. 【Paid Membership Features】 - Computing file management - Increased number of cards available - Increased number of available charts 【Activate Paid Membership】 Paid members are available as a subscription or as a permanent activation Membership Service Agreement: https://tugcalc-serviceagreement.mysxl.cn/

Screenshots

OmniCounter4 screens
Tug Calc4 screens

Verdict

The call

The clearest difference is update cadence: Tug Calc at every 5 days against OmniCounter's every 4 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. OmniCounter sells 10 one-off in-app purchases and Tug Calc sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

OmniCounter ships an update every 4 months, Tug Calc every 5 days. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

Scorecard1 real difference · 9 level
OmniCounter versus Tug Calc: the parameters behind the verdict, then further details
ParameterOmniCounterTug Calc
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.013.0
Further details — not scored
Size14 MB54 MB
Age rating4+4+
Developer留传 于嘉欣 胡

In-app purchases

10 purchases

OmniCounter

One-time10
  • Datetime$0.99
  • Calculus$2.99
  • Combinatorics$2.99
Show 7 more
  • Economics$2.99
  • Geometry$2.99
  • Matrix & Vector$2.99
  • SpecialFunction$2.99
  • NumberTheory$2.99
  • Statistics$2.99
  • Trigonometry$2.99
4 purchases

Tug Calc

Subscriptions3
  • Monthly Subscriptions$0.991 Month
  • Quarterly Subscriptions$0.993 Months
  • Annual Subscription$2.991 Year
One-time1
  • Perpetual Subscription$4.99

Questions

Is OmniCounter free?
OmniCounter is free to download, with in-app purchases available.
Is Tug Calc free?
Tug Calc is free to download, with in-app purchases available.
Do OmniCounter or Tug Calc have ads?
Neither OmniCounter nor Tug Calc shows ads.
Which is updated more often, OmniCounter or Tug Calc?
OmniCounter ships an update every 4 months, and Tug Calc every 5 days. Most recently, OmniCounter was updated on October 4, 2026 and Tug Calc on October 13, 2026.

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