Comparison

x vs Circuit Calculator Pro

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

Head to head
About

x

Features
Read full description

x-Cal is an ergonomic scientific calculator, in both portrait and landscape orientations, using RPN (c) Great for professional and educational use, it allows to quickly develop an understanding of register operations and basic programming Features fixed, scientific or engineer number formats, trigonometric and hyperbolic calculations in radians, degrees or grades, basic statistical computations, linear correlations, combinations, etc. Swipe on the top result display area to view the arithmetic register stack, tap on the top to display other registers such as storage register, statistical registers and program steps Record programs such as a quadratic equation solver, or display graphs to visualize functions y = f(x) At any time look, copy and paste text style computations into e-Mails, notes, etc.

About

Circuit Calculator Pro

Features
Read full description

Circuit Calculator Pro is a practical electronics toolkit for students, makers, and engineers. Use 13 calculators in one app: • Ohm's Law (V, I, R, P) • Resistors Series/Parallel • Voltage Divider • LED Resistor • RC Time Constant • Capacitors Series/Parallel • Inductors Series/Parallel • Reactance (Xc/Xl) • Power & Energy • Wire Voltage Drop • LED String • Loaded Divider • E-Series Finder Built-in workflow tools: • Save recent calculations • Organize results into projects and folders • Copy/share results instantly • Export to PDF and image (Premium) Reference library included: • Resistor color code guide • Capacitor code guide • Formula cheat sheets • Electronics glossary Circuit Builder (Premium): • Drag-and-drop components • Connect nodes on a grid canvas • Run circuit analysis and view node voltages/currents • Save and reopen circuit files Free plan includes core calculators with ads. Premium is a one-time purchase that unlocks advanced calculators, circuit builder access, expanded limits, and ad removal.

Screenshots

x4 screens
Circuit Calculator Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: x at none against Circuit Calculator Pro's 1. x also leads on ads (none vs shown) and iOS requirement (18.0 vs 26.0). On price and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Circuit Calculator Pro sells 1 one-off in-app purchase. x asks for nothing beyond the download.

Scorecard3 real differences Ā· 3 level
x versus Circuit Calculator Pro: the parameters behind the verdict, then further details
ParameterxCircuit Calculator Pro
PriceFreeFree
Update frequencyFortnightly—
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhoneiPhone
Requires iOS18.0 — better26.0
Further details — not scored
Size1 MB10 MB
Age rating4+4+
DeveloperFMILLETChatStick Company Limited

In-app purchases

None

x

No in-app purchases

1 purchases

Circuit Calculator Pro

One-time1
  • Unlock All Features$2.99

Questions

Is x free?
x is free to download, with no in-app purchases.
Is Circuit Calculator Pro free?
Circuit Calculator Pro is free to download, with in-app purchases available.
Do x or Circuit Calculator Pro have ads?
Circuit Calculator Pro shows ads; x does not.

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